SUBJECT INDEX

A

abyssal regions, ocean circulation, A1:32
Acadian Orogeny, muscovite, B4:4
accretion, continental crust, B1:5
acoustic Unit 1, seismic profiles, A1:26
acoustic Unit 2
comparison at Site 1276 and Site 398, A1:28
seismic profiles, A1:26
acoustic Unit 3
comparison at Site 1276 and Site 398, A1:27
seismic profiles, A1:26
acoustic Unit 4
comparison at Site 1276 and Site 398, A1:27
isopach maps, Iberia margin, A1:55
Africa plate. See Iberia/Africa plate boundary
age vs. depth
models, A1:16
Site 398, A1:76
Site 1276, A1:70, 76; A3:266; B11:4, 7, 9; B13:47
Albian
biostratigraphy, A3:79, 84, 88; B13:6–9, 19–20
lithologic units, A1:15; A3:44–50
muscovite, B4:4
nannofossil biostratigraphy, B11:1–9
paleoenvironment, A1:17; B13:19–20
paleoflow directions, B3:1–27
postrift sedimentation, B1:27–28
quartz-feldspar-lithic fragments system, B2:25
quartz-potassium feldspar-plagioclase system histograms, B2:29
sandstone and grainstone, B2:1–47
sedimentation rates, A3:90
sedimentology, B8:5–7
unconformities, B1:13
See also Aptian/Albian boundary
Albian, lower
biostratigraphy, A3:80, 86
clasts, B4:6–7
comparison at Site 1276 and Site 398, A1:27
mica, B4:6–7
rifting phases, B1:11–14
Albian, lower–middle, paleoenvironment, B13:19–20
Albian, middle, biostratigraphy, A3:79, 83, 87; B13:8–9
Albian, upper, biostratigraphy, A3:79, 82
Albian/Cenomanian boundary, biostratigraphy, A3:79, 82, 87
albite
hydrothermal alteration, A3:56–57
lithologic units, A4:7
porphyroblasts, A3:239
alkali feldspar
hydrothermal alteration, A3:56–57
lithologic units, A3:28, 33
porphyroblasts, A3:239
Alleghanian Orogeny, muscovite, B4:4
allochems, photograph, A3:131
Alps, lithology compared with Newfoundland Basin, B9:23–25
alteration
basalt flows, B9:14–15
lithologic units, A4:6–8
photomicrograph, A3:175
See also hydrothermal alteration
alteration, thermal
Rock-Eval pyrolysis, A3:97
sills, B1:23
aluminum
basalt flows, B9:16
black shale, B10:5
lithologic units, A3:54, 98
vs. depth, A3:280
See also barium/aluminum ratio; chromium/aluminum ratio; major elements/aluminum ratio; minor elements/aluminum ratio; nickel/aluminum ratio; trace elements/aluminum ratio; vanadium/aluminum ratio
aluminum oxide
Albian–Turonian sedimentology, B8:7
black shale, B8:16
fine-grained sediments, B8:14
lithologic units, A3:29, 53–54
middle–upper Eocene sedimentology, B8:13
Turonian–uppermost Santonian sedimentology, B8:9
upper Paleocene–middle Eocene sedimentology, B8:12
vs. depth, B8:40
vs. iron oxide, B8:30
vs. magnesium oxide, B8:26
vs. potassium oxide, B8:25, 34
vs. silica, A3:251; B8:31
vs. sodium oxide, B8:27
vs. titanium oxide, B8:28, 33, 37, 39
amalgamated beds, lithologic units, A3:27
Ammodiscidae
biostratigraphy, A1:23
lithologic units, A4:8
analcime, sill zoning, A3:67
anisotropy. See velocity anisotropy
Anomaly M0
crust, B1:15–16
extension rates, B1:20
rift systems, A1:5–6
Anomaly M1, crust, B1:15–16
Anomaly M3
crust, B1:16
origin, A1:11
Anomaly M11, extension rates, B1:20
Anomaly M17
rift systems, A1:5–6
rifting phases, B1:8
Anomaly M20, rifting phases, B1:8
apatite, sill zoning, A3:67
Apennines, lithology compared with Newfoundland Basin, B9:23–25
apophysies, Lower Sill complex, A3:69
Aptian
biostratigraphy, A3:81, 86; B13:6–8
lithologic units, A1:15; A3:46–50, 61–63
quartz-feldspar-lithic fragments system, B2:25
quartz-potassium feldspar-plagioclase system histograms, B2:29
synrift sedimentation, B1:26–27
Aptian, upper
biostratigraphy, A3:80
lithologic units, A3:39–57, 61–63
rifting phases, B1:11–14
sedimentation rates, A3:90
Aptian event, synrift sedimentation, B1:26–27
Aptian/Albian boundary
comparison at Site 1276 and Site 398, A1:27
subcontinental mantle lithosphere, B1:13
argon isotopes, muscovite, B4:1–13
Athy's law, porosity and lithology automatic association with laboratory measurements, B7:4
Atlantic Ocean central N, stratigraphy compared with conjugate Iberia margin, A3:63–64
Atlantic Ocean N
bathymetry, A1:39
Cretaceous paleogeography, B3:18
geology, A1:12–13
Atlantic Ocean western central N, compared with conjugate Iberia margin, A3:57–63
augite, photomicrograph, A3:247, 250
authigenesis
lithologic units, A3:24
photomicrograph, B2:24
Avalon Terrane
continental crust, B1:5
Cretaceous paleolatitude, B15:36
Avalon unconformity, rifting, B1:11
Avalon Uplift, provenance of gravity-flow deposits, B2:5–8

B

barium
black shale, B8:16; B10:5
fine-grained sediments, B8:15
productivity, A3:98; B10:5
vs. depth, B8:55
barium/aluminum ratio
sediments, A3:98
vs. depth, A3:280
Barremian
quartz-potassium feldspar-plagioclase system histograms, B2:29
rifting phases, B1:11–14
sedimentation, A1:12; A3:64
synrift sedimentation, B1:26–27
Barremian, lower
rifting phases, B1:9–11
synrift sedimentation, B1:25–26
Bartonian, biostratigraphy, A3:85–86
basalt flows
geochemistry, B9:14–19, 32
lithologic units, A1:22; A4:4–6
photomicrograph, B9:54–55
basalt flows, massive, lithologic units, B9:8–9, 11–13
basalts
hafnium-thorium-tantalum system, B9:61
niobium-zirconium-yttrium system, B9:58
titanium-zirconium-yttrium system, B9:58, 61
trace elements, B9:59, 62
basalts, aphyric
photograph, A4:17
remanent magnetization, A1:23–24
basalts, brecciated massive, photograph, B9:50
basalts, fractured massive, photograph, B9:49–52
basalts, medium-grained brecciated, photograph, A4:18
basement
Cretaceous, A1:28–29; B9:33
magnetic anomalies, B1:17
rift systems, A1:5–6
SCREECH Transect 2, A5:6
seismic profiles, A1:26
seismic surveys, A4:11–12
basement, serpentinized, Iberia-Galicia margin compared with Newfoundland Basin, B9:20–21
basement, serpentinized ultramafic, lithologic units, B9:5–6
basement ridges, gabbros, A1:32–33
bastite, photograph, A4:14
Bathonian, rifting phases, B1:8
bathymetry, multibeam, SCREECH Transect 2, A5:1–36
bathymetry, Newfoundland margin, A1:47; A5:9–10; B1:47; B2:16; B8:22; B9:42; B13:36; B14:20; B15:18
Bermuda Rise Formation, lithologic units, A3:63
Berriasian
rifting phases, B1:7–9
synrift sedimentation, B1:25–26
bioclastic debris
lithologic units, A3:33–34, 45
photomicrograph, A3:150
bioclasts
fluid inclusions, B5:7–8
lithologic units, A3:22–25
photograph, A3:135
photomicrograph, A3:171
provenance of Eocene sandstone, B2:9–10
sandstone, B2:4–5
bioclasts, porous, photomicrograph, A3:133
biostratigraphic datums, vs. depth, A3:266–267; B13:48
biostratigraphy
Newfoundland Basin, B13:1–53
sedimentation rates, A3:88–90
Site 1276, A1:16–19; A3:73–90
Site 1277, A1:23; A4:8
summary, A3:331
vs. depth, A3:263–265
biotite
lithologic units, A3:27, 37
photomicrograph, A3:152, 174, 206, 208, 223–224; B2:34
sandstone, B2:4–5
biotite, altered, photomicrograph, B2:22
biotite, euhedral, sill/sediment contacts, A3:66
bioturbation
lithologic units, A3:38
X-ray diffraction data, A3:237
black shale
critical events, A1:19, 31
geochemistry, A1:20
hydrothermal alteration, A3:57
lithologic units, A3:42–43, 54–56
multiproxy characterization of geochemistry, B10:1–16
nitrogen isotopes, B10:4
oceanic anoxic events, A3:97–98; B10:5
origin, B8:16–17
paleoenvironment Site 1276, A1:17; B13:20
photograph, A3:186, 191, 213
postrift sedimentation, B1:29–31
redox, A3:98
Rock-Eval pyrolysis, B10:4–5
black shale, finely laminated, origin, A3:55–56
black shale, laminated, photograph, A1:69; A3:193
Blake Ridge Formation, lithologic units, A1:15, 17; A3:63
Blake-Bahama Formation, synrift sedimentation, B1:25–27
Bonarelli event
critical events, A1:18–19; B13:21
postrift sedimentation, B1:27
boreal taxa, paleoenvironment, A1:17
boreholes. See seismic-borehole correlation
breccia
hydrothermal alteration, A3:57
lithologic units, A1:22; A4:5–6
synrift sedimentation, B1:26–27
breccia, basaltic, lithologic units, B9:11–13
breccia, gabbro, lithologic units, B9:5–6
breccia, peridotite, Iberia-Galicia margin compared with Newfoundland margin, B9:20–21
breccia, polymict
lithologic units, A4:6; B9:7–8, 10–11
photomicrograph, B9:53
breccia, serpentinite, Iberia-Galicia margin compared with Newfoundland margin, B9:20
breccia, serpentinized peridotite, Iberia-Galicia margin compared with Newfoundland margin, B9:21
breccia pipes, photograph, A3:254
brecciation, lithologic units, B9:8–9
bryozoans, photomicrograph, A3:151
burrow fills
photomicrograph, B2:20
X-ray imaging, B6:5
burrows
lithologic units, A3:22, 28, 32, 36–37, 41–58
photograph, A1:65; A3:139–140, 142, 144, 153–154, 158–162, 166–167, 173, 177, 227, 239
photomicrograph, A3:233
burrows, elongated, photograph, A3:136
burrows, folded, photograph, A3:259
burrows, mud-filled, photograph, A3:130

C

cadmium, black shale, B8:16; B10:5
calc-siltite, ferruginous, photomicrograph, B9:53, 55
calcite
hydrothermal alteration, A3:57
lithologic units, A3:33, 37; A4:7
Lower Sill complex, A3:69
sill hydrothermal alteration, A3:68
X-ray diffraction data, A3:237
calcite spar
lithologic units, B9:8–9
photograph, A3:172, 227, 236; A4:17–18
calcite spar, "dogtooth," lithologic units, A4:5
calcite spar cement
photograph, A3:196, 228–229; B9:49–52
photomicrograph, B9:54–55
calciturbidites
middle–upper Eocene sedimentology, B8:12–13
upper Paleocene–middle Eocene sedimentology, B8:10–12
calcium, lithologic units, A3:54
calcium oxide
Albian–Turonian sedimentology, B8:8
middle–upper Eocene sedimentology, B8:13
sills, A3:68
vs. depth, B8:45
vs. silica, A3:251
Callovian, rifting phases, B1:6–7
Campanian
biostratigraphy, A3:81, 84, 87; B13:10–12
comparison at Site 1276 and Site 398, A1:27
paleoenvironment, B13:21–22
postrift sedimentation, B1:29–31
quartz-feldspar-lithic fragments system, B2:26
Campanian, lower
lithologic units, A3:30–36, 60–61
sedimentology, B8:10
Campanian, middle–lower Paleogene interval, nannofossil bioevents, B13:45
Campanian, upper
biostratigraphy, A3:78
remanent magnetization, A1:19
carbon, inorganic, sediments, A3:96, 345–348
carbon, organic
black shale, B8:16–17; B10:3–4
sediments, A3:349–355
carbon, total organic
lithologic units, A3:54, 96; B10:11–13
oceanic anoxic events, A3:97–98
postrift sedimentation, B1:27–28
Rock-Eval pyrolysis, A3:97
vs. carbon/nitrogen ratio, B10:8
vs. depth, A1:73; A3:278–281
vs. nitrogen isotopes, B10:9
carbon isotopes, black shale, B10:11–13
carbonate cement, microcrystalline, photomicrograph, B2:22
carbonate cement, poikilotopic
photomicrograph, B2:21
provenance, B2:4–5
carbonate compensation depth
biostratigraphy, A3:76–88; B13:19–25
comparison at Site 1276 and Site 398, A1:27–28
fine-grained sediments, B8:14
lithologic units, A1:15, 17; A3:25, 29–30, 35–36, 43–44, 46, 49–50, 54–56, 62–64
middle–upper Eocene sedimentology, B8:13
postrift sedimentation, B1:31–32
synrift sedimentation, B1:25
carbonate content
sediments, A3:29, 96, 345–348; B10:11–13
upper Paleocene–middle Eocene sedimentology, B8:11–12
vs. depth, A1:73; A3:279
vs. velocity, A3:292
vs. x-direction velocity, A3:293
carbonate lenses, photograph, A3:234
carbonates
deposition, A3:59–60
photomicrograph, A3:175, 223
rifting phases, B1:6–7
synrift sedimentation, B1:25–27
carbonates, authigenic
lithologic units, A3:24
photomicrograph, A3:226
carbonates, lower Campanian–upper Paleocene sedimentology, B8:10
carbonates, pelagic, deposition, A3:62
carbonates, poikilotopic, photomicrograph, A3:206
carbon/nitrogen ratio
black shale, B8:16–17; B10:3–4
sediments, A1:20; A3:96, 349–352; B10:11–13
vs. depth, A1:73; A3:277, 279
vs. total organic carbon, B10:8
Caribbean bioprovince, postrift sedimentation, B1:31
Carnian, rifting phases, B1:6
Carson Basin, rifting phases, B1:6
cataclasites
lithologic units, B9:11–13
remanent magnetization, A1:23–24
cataclasites, foliated, lithologic units, A4:7
cataclasites, gabbro, lithologic units, A1:23
cataclasites, sheared gabbro, photomicrograph, B9:54
cementation
lithologic units, A3:29, 48, 50–52
photograph, A3:235
X-ray imaging, B6:5
Cenomanian
biostratigraphy, A3:81, 86; B13:8–10
comparison at Site 1276 and Site 398, A1:27
lithologic units, A3:41–58
paleoenvironment, B13:20–21
postrift sedimentation, B1:27–28
quartz-feldspar-lithic fragments system, B2:26
quartz-potassium feldspar-plagioclase system histograms, B2:29
sedimentation, A1:12; A3:64
See also Albian/Cenomanian boundary; mid-Cenomanian Event
Cenomanian, upper, sedimentation, A3:63–64
Cenomanian/Turonian boundary
biostratigraphy, A3:79
lithologic units, A3:39
postrift sedimentation, B1:28–31
Cenomanian–Turonian interval, nannofossil bioevents, B13:44
Cenozoic, lower, diagenesis, B8:1–63
Cenozoic, nannofossils, A3:332–334
Central Iberian Zone, rifting phases, B1:6
cerium
basalt flows, B9:16–17
fine-grained sediments, B8:15
lower Campanian–upper Paleocene sedimentology, B8:10
vs. depth, B8:58
chalk, nannofossil, synrift sedimentation, B1:25–27
chilled contacts, relation to Lower Sill complex, A3:69–70
chilled margins
lithologic units, A4:5; B9:8–9
sill/sediment contacts, A3:66
chlorite
basalt flows, B9:14–15
lithologic units, A4:7
Lower Sill complex, A3:69
middle–upper Eocene sedimentology, B8:12–13
sandstone, B2:4–5
sill hydrothermal alteration, A3:68
sill zoning, A3:67
X-ray diffraction data, A3:52, 237
chlorite, magnesian
hydrothermal alteration, A3:56–57
porphyroblasts, A3:239
Chondrites
lithologic units, A3:22–25, 34, 37
photograph, A3:153, 158, 161–162
chromium
basalt flows, B9:16
black shale, B8:16; B10:5
fine-grained sediments, B8:14
lithologic units, A3:29, 32, 35, 54
oceanic anoxic events, A3:98
vs. depth, B8:51
chromium/aluminum ratio
oceanic anoxic events, A3:98
vs. depth, A3:280
Chron C21r
magnetostratigraphy, A3:93–94
remanent magnetization, A1:19
Chron C29r, magnetostratigraphy, A3:93–94
Chron C33r, magnetostratigraphy, A3:93–94
Chron M0, rifting, B1:45–46
Chron M8, extension rates, B1:20
clasts
lithologic units, A1:22; A3:28; A4:5–6
photomicrograph, B2:23
See also bioclasts; intraclasts
clasts, angular altered sheared serpentinized harzburgite, photograph, B9:48
clasts, aphyric basalt, photograph, A4:19
clasts, basalt, photograph, A4:18
clasts, calcareous mud, photograph, A3:215
clasts, calcareous mudstone rip-up, photograph, A3:134, 146
clasts, carbonate, lithologic units, A3:22–25, 33–34
clasts, gabbro
lithologic units, A4:7; B9:10–11
photograph, B9:48
clasts, granules, lithologic units, A3:37
clasts, hyaloclastite, photograph, B9:50
clasts, lithic, photomicrograph, A3:171
clasts, micrite, lithologic units, A3:28
clasts, micritic carbonate lithic, photomicrograph, A3:149
clasts, mud
lithologic units, A3:22–25
photograph, A1:63; A3:220–221
clasts, mudstone, lithologic units, A3:21–25, 58–59
clasts, mudstone rip-up, photograph, A3:132
clasts, muscovite, argon isotopes, B4:1–13
clasts, mylonite, lithologic units, B9:7–8
clasts, rip-up
lithologic units, A3:26–28
photograph, A3:201
clasts, sandstone, photograph, A3:214, 218
clasts, scattered elongate rip-up, photograph, A3:202
clasts, serpentinite, lithologic units, A1:22; B9:7–8
clasts, serpentinite + gabbro, photograph, A4:20, 22
clasts, siltstone, photograph, A3:163
clasts, subangular plutonic, photomicrograph, A3:182
clasts, subrounded mudstone, photograph, A3:132
clasts, subrounded siltstone, photograph, A2:203
clasts, volcanic, photomicrograph, A3:174
clay minerals
Albian–Turonian sedimentology, B8:5–7
photomicrograph, A3:226; B2:33–34
sill zoning, A3:67
X-ray diffraction data, A3:52
clays
photograph, A3:176, 178
photomicrograph, A3:171
clays, hemipelagic, synrift sedimentation, B1:25
claystone
fluid inclusions, B5:7–8
lithologic units, A1:14; A3:21–30, 32–33, 42, 44–48, 58–60
photograph, A3:186, 213, 216, 232
postrift sedimentation, B1:27–28
provenance, B2:4–5
claystone, biosiliceous, postrift sedimentation, B1:31
claystone, bioturbated greenish, photograph, A3:189
claystone, burrowed hemipelagic, photograph, A3:192
claystone, calcareous
photograph, A3:32–33, 161
X-ray imaging, B6:16
claystone, hemipelagic, synrift sedimentation, B1:25
claystone, laminated, photograph, A3:190, 194, 212, 234, 236
claystone, laminated calcareous, lithologic units, A3:42–43
claystone, laminated carbon-rich, photograph, A3:189
claystone, pelagic, postrift sedimentation, B1:29–31
climbing ripple marks, photograph, A3:205
clinoptilolite, lithologic units, A3:30
clinopyroxene
basalt flows, B9:14–15
diabase sills, A3:243
sill zoning, A3:67
Collector anomaly, continental crust, B1:5
color bands
lithologic units, A3:38
photograph, A3:155, 159, 162, 166, 185
compaction
deformation structures, A3:71–73
lithologic units, A3:29, 50–52
mudstone, A1:22
vs. depth, A1:75
compaction, differential, photograph, A3:153–155, 228
compression, in-plane, tectonic models, B9:30
compressional wave velocity
igneous rocks, A4:10–11
sediments, A3:101–104
vs. depth, A3:290–291; B14:22
concretions
lithologic units, A3:38
X-ray imaging, B6:5
See also microconcretions
concretions, carbonate
lithologic units, A3:22–25
photograph, A3:231
photomicrograph, A3:233
concretions, pyrite, photograph, A3:164, 230
concretions, septarian, photograph, A3:236
concretions, siderite, fluid inclusions, B5:13–14
conglomerate
lithologic units, B9:7–8, 10–11
photomicrograph, B9:53
See also microconglomerate
conglomerate, carbonate granule, lithologic units, A3:26–28
conglomerate, chaotic mud-clast, photograph, A1:64; A3:220–221
conglomerate, graded, photograph, A3:146
Coniacian
biostratigraphy, A3:78
comparison at Site 1276 and Site 398, A1:27
conjugate margins, lithostratigraphy, A1:71; A3:57–63, 241; B2:19; B4:11
continental breakup
Aptian, A3:53
seafloor spreading, B9:1–69
tectonic models, B9:31–33, 66–67
continental margins. See conjugate margins
contorted bedding
photograph, A1:66; A3:222
structure, A3:168
convoluted bedding, photograph, A1:67; A3:49, 196, 205, 217–218, 225, 230
cooling units, paleosecular variations, B15:10–11
copper
black shale, B8:16; B10:5
Turonian–uppermost Santonian sedimentology, B8:9
vs. depth, B8:57
core barrels, magnetic vs. nonmagnetic comparison, A3:94–95
core samples, three-dimensional X-ray CT images, B6:19–20
cores. See seismic-core correlation
correlation
Albian–Turonian sedimentology, B8:8
lithologic units, A3:111–112
lower Campanian–upper Paleocene sedimentology, B8:10
sills, A3:112–113
Turonian–uppermost Santonian sedimentology, B8:9
upper Paleocene–middle Eocene sedimentology, B8:12
cracks, photograph, A4:26
crenulations
lithologic units, A3:21–25
photograph, A3:136–137
Crescent Peaks Member, postrift sedimentation, B1:30
Cretaceous
biostratigraphy, A1:16
paleoceanography, A1:28–29
paleogeography, B3:18
paleolatitude, B15:1–37
palynomorph biostratigraphy, A3:86–87
provenance of gravity-flow deposits, B2:5–8
radiolarian biostratigraphy, A3:87–88
Cretaceous, Lower
foraminiferal biostratigraphy, A3:82–83
geology, A1:12–13
nannofossil biostratigraphy, A3:79–80
quartz-feldspar-lithic fragments, B2:30
rifting phases, B1:6–7
seafloor, B9:1–69
Cretaceous, Upper
foraminiferal biostratigraphy, A3:81–82
multicolored mudstone, A1:31–32
nannofossil biostratigraphy, A3:78–79
unconformities, A3:74
Cretaceous Normal Superchron
magnetostratigraphy, A3:94
remanent magnetization, A1:19; A3:92
Cretaceous/Tertiary boundary
biostratigraphy, B13:12–13
critical events, A1:18, 32
lithologic units, A3:34–35
nannofossil biostratigraphy, A3:77–78
photograph, A3:177
critical events, stratigraphy, A1:17–19
cross laminations
lithologic units, A3:27–28, 33–34
photograph, A3:143, 165–166, 188, 197–198
photomicrograph, A3:226
crust
geophysical surveys, A1:6–7
SCREECH Transect 2, A5:6
thinning, A1:11
crust, continental
rift systems, A1:5–6
SCREECH Transect 2, A5:6
crust, prerift, continental crust, B1:5
crust, transitional, origin, A1:11–12
Curie temperature
Cretaceous, B15:9
peridotites, B1:17
current ripples, photograph, A3:184
current-ripple cross laminations, photograph, A3:188
current-ripple laminations, lithologic units, A3:27
Cyclamminidae
biostratigraphy, A1:23
lithologic units, A4:8

D

Danian
biostratigraphy, A3:77, 86
critical events, A1:18
See also Cretaceous/Tertiary boundary
debris flows
lithologic units, A1:14; A3:25
lithostratigraphy, A3:58–59, 62
photograph, A3:215, 222
debris flows, sandy, photograph, A3:134
debris flows, silty, photograph, A2:203, 205
deformation
Iberia-Galicia margin compared with Newfoundland margin, B9:20–21
photograph, A4:21
deformation, ductile
photograph, A3:219
structures, A3:71–73
tectonic models, B9:26–28
deformation, late-stage brittle, tectonic models, B9:29–30
deformation, plastic, photograph, A3:157, 221
deformation, syndepositional
lithologic units, A3:27
photograph, A3:147
deformation structures
dip, A3:71–73
lithologic units, A3:71–73
vs. depth, A3:256
demagnetization
Cretaceous, B15:27–32
sediments, A3:90–93
Zijderveld diagrams, A3:270, 274; A4:9, 30; B15:19–21
demagnetization, alternating-field, discrete samples, B15:7–8
demagnetization, thermal, discrete samples, B15:7–8
density
igneous rocks, A1:24; A4:10
lithology automatic association with laboratory measurements, B7:1–21
sediments, A3:99–101
seismic-borehole correlation, A3:107–108
seismic-core correlation, B14:6–9
density, bulk
sediments, A1:21
time-depth conversion, A3:108–110
vs. depth, A1:74; A3:283–286; A4:31; B7:14; B14:22
density, gamma ray attenuation bulk, time-depth conversion, A3:108
density, grain, vs. depth, A3:285–286; A4:31; B7:14
deposition, hemipelagic, lithostratigraphy, A3:58–59, 64
deposition, lithologic units, A3:25, 29–30, 35–36, 38–39, 43–44, 46, 49–50
dewatering, lithologic units, A3:36–37
diabase
lithologic units, A1:15
magnetization, B15:9–10
diabase, aphyric, petrology, A3:65–70
diabase, massive, sill zoning, A3:67
diagenesis
data, B7:21
geochemistry, B8:1–63
lithologic units, A1:14; A3:24, 29, 35, 38, 50–52
photograph, A3:155, 159, 162, 176, 227, 234–235
See also cementation; compaction; lithification
diatoms, biostratigraphy, A3:88
dikes, alkaline, postrift magmatism, B1:24
dikes, sedimentary, photograph, A3:144
dinoflagellate datums, distribution, A3:338
dinoflagellates, biostratigraphy vs. depth, B13:41–43
dip
deformation structures, A3:71–73
paleocurrents, B3:1–27
reflections, B3:24
vs. depths of core tops, B3:20
dissolution
biostratigraphy, A3:76
lithologic units, A3:35
nannofossils, B13:6–25
photomicrograph, B2:20
dolomicrite, photomicrograph, A3:233
dolomite, deposition, A3:62
dropstone, glacial, photograph, A4:19
dunites, lithologic units, A1:23

E

echinoderms
lithologic units, A3:22–25
provenance of Eocene sandstone, B2:10
echinoid spines, photomicrograph, A3:223
Eocene
benthic foraminifers, B12:1–8
muscovite, B4:4
paleoenvironment, B13:23
provenance of sandstone, B2:9–10
quartz-feldspar-lithic fragments system, B2:27
quartz-potassium feldspar-plagioclase system histograms, B2:29
remanent magnetization, A1:19
sandstone and grainstone, B2:1–47
See also Paleocene/Eocene boundary; Paleocene/Eocene Thermal Maximum; Paleocene–Eocene transition
Eocene, lower
biostratigraphy, A3:85; B13:17
lithologic units, A3:25–30, 59–60
sedimentation rates, A3:89
Eocene, lower–middle, sedimentation, A3:63
Eocene, middle
biostratigraphy, A3:75, 80, 85, 87; B13:17–19
comparison at Site 1276 and Site 398, A1:28
lithologic units, A1:15; A3:21–30, 58–60
lithostratigraphy, A3:58–60
magnetostratigraphy, A3:93–94
photograph, A3:144
postrift sedimentation, B1:31–33
sedimentation, A3:63
sedimentation rates, A3:89
sedimentology, B8:10–17
Eocene, middle–upper, comparison at Site 1276 and Site 398, A1:28
Eocene, upper
biostratigraphy, A3:75, 83
lithologic units, A3:21–25, 58–59
sedimentology, B8:12–13
Eocene–lower Oligocene sequence, sedimentation, A1:12
epeirogeny, rifting phases, B1:6
epiclastics, Paleocene, B2:8
Estremadura Spur, rift systems, A1:5–6
ethane
sediments, A3:95
vs. depth, A1:73; A3:277
See also methane/ethane ratio
Europe, Cretaceous paleolatitude, B15:36
evaporites, rifting phases, B1:8
exhumation, mantle, B1:9–11; B9:1–69
extension
continental crust, A5:36
crust, A1:11–12
rates, B1:19–20
rift systems, A1:4–6
rifting phases, B1:6–15
tectonic models, B9:26–28
extension, intraplate, rifting, B1:12–15
extension, transitional, magnetic anomalies, B1:15–21

F

fabric
equal-area rose diagrams, B3:21–22
lithologic units, A4:7
fabric, grain, planar laminations, B3:26–27
fabric, mylonite, photograph, A4:26
fault gouge, lithologic units, A4:7
faulting, tectonic models, B9:30–31
faults
deformation structures, A3:71–73
SCREECH Transect 2, A5:6; B1:7
seismic profiles, A1:26
faults, conjugate normal, photograph, A3:258
faults, detachment, lithologic units, B9:7–8
faults, normal
deformation structures, A3:71–73
lithologic units, A3:21–25
rifting, B1:12
faults, reverse, photograph, A3:138, 262
faults, soft-sediment, sediments, A3:29
faults, syndepositional, lithologic units, A3:35
fecal pellets
lithologic units, A3:22–25
photograph, A3:232
photomicrograph, A3:171, 233
feldspar
lithologic units, A3:37
photomicrograph, A3:181, 206; B2:21
feldspar, sericitized, photomicrograph, A3:182
ferrogabbro, postrift magmatism, B1:24
fish bones, biostratigraphy, A3:88
fish teeth, biostratigraphy, A3:88; B13:19
fissures, lithologic units, B9:11–13
fissures, neptunian
lithologic units, A4:4–6
photograph, A4:23
Flemish Cap
provenance of gravity-flow deposits, B2:5–8
rift systems, A1:4–6; B1:9
Flemish Cap Graben, rift systems, A1:4–6
Flemish Hinge, rift systems, A1:5–6
Flemish Pass Basin
rift systems, A1:4–6
rifting phases, B1:6
fluid inclusions
petrography, B5:7–14
quartz, B5:1–21
folds
axial plane, A3:259
deformation structures, A3:71–73
lithologic units, A3:24
photograph, A3:136–137, 219
See also microfolds
folds, asymmetric
deformation structures, A3:72–73
photograph, A3:261
folds, chevron-type
axial planes, A3:257
photograph, A3:257
folds, recumbent, photograph, A3:179
folds, similar, lithologic units, A3:48
folds, soft-sediment, sediments, A3:29
folds, synsedimentary
lithologic units, A3:45
photograph, A3:148
foliation
lithologic units, A4:7–8
photograph, A4:26
foliation, high-temperature, photograph, A4:14, 27
foliation, mylonitic, lithologic units, A4:7–8
foraminiferal datums, distribution, A3:339
foraminiferal zoning, vs. age, B13:37–40
foraminifers
biostratigraphy, A1:16
lithologic units, A3:22–25, 28, 42
photomicrograph, B2:20
provenance of Eocene sandstone, B2:10
foraminifers, agglutinated, photomicrograph, A3:183
foraminifers, agglutinated benthic, photograph, A4:19
foraminifers, benthic
biostratigraphy, A1:23; A3:83–84; A4:31
distribution, A3:336
Eocene, B12:1–8
lithologic units, A3:26–28
photomicrograph, A3:149–151
postrift sedimentation, B1:31
foraminifers, planktonic
biostratigraphy, A3:80–83; B13:1–53
biostratigraphy vs. depth, B13:41–43
photomicrograph, A3:133, 150, 171, 209
fractures
lithologic units, A1:23; A4:4–8
photograph, A4:18, 20
fractures, calcite-filled, photograph, A4:24

G

gabbro clasts, lithologic units, A1:22
gabbro grains, photograph, A4:24
gabbros, altered
lithologic units, A4:5–6
photograph, A4:21; B9:46
gabbros, foliated, photograph, A4:21
gabbros, tectonized, lithologic units, A4:6–7
Galicia Bank
lithology comparison with Newfoundland margin, B9:19–22
lithostratigraphy, A3:58–63
rift systems, A1:4–6; B1:9–15
seismic profiles, A1:26
Galicia Interior Basin
rift systems, A1:4–6
rifting phases, B1:6
Galicia margin
seismic profiles, B1:50–51
See also Iberia-Galicia margin
gamma rays
sediments, A1:21; A3:105–106
vs. depth, A1:74; A3:299–303; B7:16
gateways, geology, A1:12–13
geochemistry
diagenesis, B8:1–63
multiproxy characterization of black shales, B10:1–16
shale composite, B8:59
Site 1276, A1:20–21; A3:95–98
Site 1277, B9:68–69
geochronology, Newfoundland Basin, B4:1–13
geology, rift systems, A1:4–6; B1:1–55
geophysical data, marine, SCREECH Transect 2, A5:1–36
geophysical surveys, crust, A1:6–7
Gibraltar. See Newfoundland-Gibraltar Fracture Zone
glauconite
lithologic units, A3:26–28, 33–34, 37
photograph, A3:131, 149
photomicrograph, A3:152, 182, 223; B2:20
sandstone, B2:5
glauconite, epigenetic, photomicrograph, A3:150
Globotruncana orientalis, photomicrograph, A3:171
goethite, lithologic units, A3:38
grabens, photograph, A3:258
graded bedding
lithologic units, A3:26–60
photograph, A1:65; A3:131–132
grain size, sediments, B7:18, 20
grainstone
lithologic units, A3:21–28, 33–34, 48–49, 60–61
petrography, B2:4–5
petrology, B2:1–47
photograph, A3:131, 154–156, 165
photomicrograph, A3:133, 149–151, 171, 209
grainstone, carbonate, photograph, A3:142–145, 163, 166
grainstone, carbonate cement, photomicrograph, A3:149, 151
grainstone, graded, photograph, A3:138–142, 144, 146, 176, 178
grainstone, laminated, photograph, A3:131, 141–142
grainstone, massive poorly sorted, photograph, A1:63
grainstone, middle-grained, fluid inclusions, B5:11–12
grainstone, muddy matrix, photomicrograph, A3:149–150
grainstone, planar-laminated carbonate, photograph, A1:66; A3:163, 169
grainstone, recrystallized, petrology, A3:65–66
grainstone, redeposited graded, photograph, A3:132
Grand Banks
continental crust, B1:5
geochronology, B4:1–13
magnetic Anomaly M1, A1:43–44
rift systems, A1:4–6
Grand Banks-Iberia platform, rifting phases, B1:6
granule grade base, photograph, A3:200
granules, carbonate, photograph, A3:134–135, 145, 234
granulestone
lithologic units, B9:8
photograph, B9:49
gravity anomalies, maps, A5:35
gravity surveys, SCREECH Transect 2, A5:1–36
gravity-flow deposits
biostratigraphy, B13:24–25
lithologic units, A1:14; A3:37–38, 42, 61–62, 64
passive margins, B2:1–47
photograph, A1:67; A3:217, 219, 230
postrift sedimentation, B1:29–31
Greenland. See Norwegian-Greenland Sea

H

hafnium-thorium-tantalum system, basalts, B9:61
harzburgites, lithologic units, A1:23
harzburgites, serpentinized
lithologic units, B9:5–6
tectonic models, B9:25–26
harzburgites, serpentinized brecciated, photograph, B9:46
harzburgites, serpentinized spinel, mantle exhumation, B1:14–15
Hatteras Formation, sedimentation, A1:12; A3:64
Hauterivian
quartz-potassium feldspar-plagioclase system histograms, B2:29
rifting phases, B1:8
synrift sedimentation, B1:25–27
Helicodromites (?), lithologic units, A3:22–25
Hettangian, rifting phases, B1:6
hexane, sediments, A3:95
hiatuses
biostratigraphy, B13:24–25
comparison at Site 1276 and Site 398, A1:27–28
lithologic units, A1:14–15
sedimentation, A1:13
Hibernia Field, provenance of gravity-flow deposits, B2:6
Horseshoe Basin, rifting phases, B1:6
hyaloclastite
lithologic units, A4:4–6
photograph, A4:17, 19, 23; B9:50–52
photomicrograph, B9:54–55
hydrocarbons
headspace gases, A3:342–344
sediments, A3:353–355
hydrocarbons, volatile, sediments, A3:95
hydroclastite, lithologic units, B9:11–13
hydrogen, sediments, A3:96, 349–352
hydrogen index
black shale, B10:4–5
sediments, A3:353–355
vs. depth, A3:281
vs. oxygen index, B10:10
hydrothermal alteration
photograph, A1:68; A3:238–240
photomicrograph, A3:246
sediments, A3:56–57
sills, A3:68
See also alteration
hysteresis, igneous rocks, B15:25

I

Iberia Abyssal Plain
lithology comparison with Newfoundland margin, B9:19–22
rift systems, A1:4–6
Iberia margin
compared with western central North Atlantic, A3:57–63
rift systems, A1:1–78
stratigraphy compared with central Atlantic Ocean N, A3:63–64
stratigraphy comparison with Site 1276, A1:24–28
See also Grand Banks-Iberia platform; Newfoundland-Iberia rift
Iberia/Africa plate boundary, postrift magmatism, B1:24
Iberia-Galicia margin, lithology comparison with Newfoundland margin, B9:19–22
Iberia-Newfoundland rift
lithology compared with Alps and Apennines, B9:23–25
lithology compared with Iberia-Galicia margin, B9:19–22
ichthyoliths, biostratigraphy, A3:88
igneous petrology
Site 1276, A1:15; A3:64–70
Site 1277, A4:3–8
igneous rocks, hysteresis, B15:25
igneous-sedimentary cover, lithologic units, B9:6–14
illite
fine-grained sediments, B8:14
lithologic units, A3:32
middle–upper Eocene sedimentology, B8:12–13
X-ray diffraction data, A3:237
illite/smectite mixed minerals
fine-grained sediments, B8:14
X-ray diffraction data, A3:52
inoceramids, biostratigraphy, A3:88
intergrowths, lithologic units, A4:7
intergrowths, muscovite/quartz, photomicrograph, B2:22
intraclasts
lithologic units, A3:42, 45
provenance of Eocene sandstone, B2:10
intraclasts, mudstone, photomicrograph, A3:207
intraparticles, photomicrograph, B2:20
intrusions, sill injection, B1:22
intrusive rocks, photomicrograph, A3:255
iron
basalt flows, B9:16
lithologic units, A3:35, 54
iron oxide
Albian–Turonian sedimentology, B8:8
black shale, B8:16
lithologic units, A3:33, 38
vs. aluminum oxide, B8:30
vs. depth, B8:43
vs. manganese oxide, B8:32
iron oxides, photograph, A3:194
isopach maps
acoustic Unit 4, A1:55
U-basement, A1:52

J

J-anomaly
Mesozoic crust, B1:15–16
SCREECH Transect 2, A5:5
Jeanne d'Arc Basin, rifting phases, B1:6, 11
Jurassic, Lower, rifting phases, B1:6
Jurassic, Middle, rifting phases, B1:6–9
Jurassic, quartz-feldspar-lithic fragments system, B2:31

K

kaolinite
fine-grained sediments, B8:14
lithologic units, A3:33
Lower Sill complex, A3:69
photomicrograph, B2:24
sill zoning, A3:67
X-ray diffraction data, A3:52, 237
kerogen
Rock-Eval pyrolysis, A3:97
sediments, A3:353–355
vs. depth, A3:281
Kimmeridgian, rifting phases, B1:6–7
Koenigsberger ratio, diabase sills, A3:340–341

L

laminations
photograph, A1:65; A3:137, 139, 172, 176, 203, 205
photomicrograph, B9:53
X-ray imaging, B6:4
See also convoluted bedding; crenulations; cross laminations; parallel laminations; planar laminations; swirled laminations; wavy laminations
laminations, anastomosing, photograph, A3:143
laminations, botryoidal, lithologic units, B9:13–14
laminations, crenulate, lithologic units, A3:24
laminations, crenulate convolute, lithologic units, A3:24
laminations, deformed, photograph, A3:138
lava, lithologic units, B9:8–9
Leg 210, drilling and coring summary, A1:78
lepispheres, lithologic units, A3:24
limestone, micritic, photomicrograph, A3:150
lithic fragments
histograms, B2:28
lithologic units, B9:13–14
sandstone, B2:4–5
lithification, pore water, A3:98
lithologic units
correlation, A3:111–112; B7:13
seismic-core correlation, B14:1–6, 11–16
Site 1276, A1:13–15; A3:21–64
Site 1277, A1:22–23; A4:4–8
summary, A3:316–317
Unit 1, A3:21–25, 58–59; A4:4–6
Unit 2, A3:25–30, 59–60; A4:6–8
Unit 3, A3:30–36, 60–61
Unit 4, A3:36–39, 61
Unit 5, A3:39–57, 61–63
volcaniclastics, B9:5–14
lithology
automatic association with laboratory measurements, B7:1–21
Lower Sill complex, A3:70
sediments, B7:19
vs. depth, A3:263–265
lithosphere. See also mantle lithosphere
lithosphere, exhumed, Iberia-Galicia margin compared with Newfoundland margin, B9:19–20
lithostratigraphy
conjugate margins, A3:57–63
Iberia-Galicia margin, A1:71; A3:241
lower sill units and intervening sediments, A3:253
Site 398, B2:18
Site 1276, A1:13–15, 61; A3:20–64; B3:16; B8:24
Site 1277, A1:22–23; A4:15–16; B9:44–45
vs. depth, A3:127–129; B2:17
load casts
bedding, A3:168
See also microload casts
load structures, lithologic units, A3:33–34
Lusitanian Basin
rift systems, A1:4–6
rifting phases, B1:6
Lutetian, biostratigraphy, A3:85–86

M

Maastrichtian
biostratigraphy, A3:78, 80, 84; B13:11–12
quartz-feldspar-lithic fragments system, B2:26
quartz-potassium feldspar-plagioclase system histograms, B2:29
Maastrichtian, middle–upper, photomicrograph, A3:171
Maastrichtian, upper, biostratigraphy, A3:81
mafic rocks, Iberia-Galicia margin compared with Newfoundland margin, B9:21–22
maghematization, peridotites, B1:18
magmatic fingers, Lower Sill complex, A3:69–70
magmatism, rifts, B1:1–55
magmatism, postrift, rifting, B1:21–24
magnesium, lithologic units, A3:54
magnesium oxide
Albian–Turonian sedimentology, B8:7
black shale, B8:16
lithologic units, A3:29
vs. aluminum oxide, B8:26
vs. depth, B8:48
vs. titanium oxide, B8:29
magnetic anomalies
maps, A5:34
serpentinization, B1:17–19
source, B1:16–17, 52
transitional extension, B1:15–21
magnetic Anomaly M0
comparison at Site 1276 and Site 398, A1:27
rifting reconstruction, A1:41–42
magnetic Anomaly M1, reflections, A1:43–44
magnetic Anomaly M3
comparison at Site 1276 and Site 398, A1:27
structural asymmetries, A1:57
magnetic declination
Cretaceous, B15:27–32
samples, A4:37
magnetic inclination
magnetic vs. nonmagnetic core barrel comparison, A3:94–95
vs. depth, A3:269, 272–273, 276; A4:29; B15:22–23
magnetic inclination, mean, Cretaceous, B15:35
magnetic intensity
Cretaceous, B15:27–32
magnetic vs. nonmagnetic core barrel comparison, A3:94–95
peridotites, B1:18
samples, A4:37, 39
sediments, A1:19; A3:90–93
vs. depth, A3:269, 271–273, 275; A4:29
magnetic surveys, SCREECH Transect 2, A5:1–36
magnetic susceptibility
samples, A4:38–39
sediments, A1:19, 21; A3:90–92, 106–107, 340–341
vs. depth, A3:268, 271–273, 299–302, 304–306; A4:29
magnetite
diabase, A1:15
diabase sills, A3:243
Lower Sill complex, A3:69
sill zoning, A3:67
magnetization, age, B15:9–10
magnetostratigraphy, lithologic units, A3:93–94
major elements
fine-grained sediments, B8:60–63
sediments, A3:323–328
sills, A3:68–69, 330
volcaniclastics, B9:68–69
major elements/aluminum ratio, black shale, B10:16
manganese, lithologic units, A3:35, 54
manganese hydroxides, lithologic units, A3:38
manganese oxide
Albian–Turonian sedimentology, B8:8
fine-grained sediments, B8:14
lithologic units, A3:33, 53–54
lower Campanian–upper Paleocene sedimentology, B8:10
middle–upper Eocene sedimentology, B8:13
vs. depth, B8:47
vs. iron oxide, B8:32
manganite, lithologic units, A3:38
mantle, exhumation, B1:9–11; B9:1–69
mantle lithosphere, subcontinental, continental breakup, B9:1–69
maps
gravity anomalies, A5:35
magnetic anomalies, A5:34
tectonic terranes, B2:32
transects, A1:45–46
marble, hydrothermal alteration, A3:56–57
marlstone
lithologic units, A3:26–28, 32–33, 41–42, 46–47
photograph, A1:66; A3:162, 177
postrift sedimentation, B1:27–28
marlstone, iron-stained, photomicrograph, A3:152
marlstone, laminated, photograph, A3:191
mass flow deposits
lithologic units, A4:5–6; B9:8–11
photograph, A4:20
structure, A3:168
synrift sedimentation, B1:26–27
mass flow deposits, ductile, photograph, A3:179
mass flow deposits, serpentinite, tectonic models, B9:28
mass flow deposits, subaqueous, photograph, A3:132, 146–147, 157, 214
matrix, chloritic, photograph, A4:21
matrix, sparry calcite, photograph, A4:22–23
Mauzy Ridge, lithostratigraphy, A1:22
maximum angular deviation, sediment magnetization, A3:340–341
median destructive field
remanent magnetization, A1:24
samples, A4:39
Meguma Terrane
continental crust, B1:5
geochronology, B4:1–13
melting, peridotites, B1:14–15
Mesozoic
diagenesis, B8:1–63
nannofossils, A3:335
metagrainstone, sill/sediment contacts, A3:66
metals, sediments, A3:98
metamorphic petrology
Site 1276, A1:15; A3:64–70
Site 1277, A4:3–8
metamorphism, contact lithologic units, A1:14
metamorphism, hydrothermal, sills, B1:23
metasedimentary rocks, photomicrograph, B2:22–23
methane
pore water, A3:98
sediments, A1:20; A3:95
vs. depth, A1:73, 75; A3:277–278, 289
methane/ethane ratio, sediments, A3:95
methods, automatic, association of lithologic type with laboratory measurements, B7:1–21
mica
lithologic units, A3:27, 37
X-ray diffraction data, A3:237
micrite
lithologic units, A3:26–28
photograph, A3:208
photomicrograph, A3:209, 224
microconcretions, carbonate, photograph, A3:235
microconglomerate, lithologic units, A3:45
microflame structures, photograph, A3:199
microfolds, photograph, A3:170
microfossil zones, vs. depth, A3:263–265
microlites. See plagioclase microlites
microload casts, photograph, A3:212
microphenocrysts, basalt flows, B9:14–15
microspar
lithologic units, A3:42, 50–52
photomicrograph, A3:209
microthermometry, fluid inclusions, B5:1–21
mid-Cenomanian Event
oceanic anoxic events, A1:20
postrift sedimentation, B1:27
miliolids, photomicrograph, A3:133
mineralogy, basalt flows, B9:14–15
minor elements/aluminum ratio, black shale, B10:16
mollusk fragments
lithologic units, A3:22–25
sandstone, B2:5
molybdenum, black shale, B8:16; B10:5
monzodiorite, postrift magmatism, B1:24
mottling, lithologic units, A3:24, 35, 44–45
mudrock
Albian–Turonian sedimentology, B8:5–7
lithologic units, A1:14; A3:23, 28–29, 32–33, 42, 46–50, 58–63
lower Campanian–upper Paleocene sedimentology, B8:10
middle–upper Eocene sedimentology, B8:12–13
upper Paleocene–middle Eocene sedimentology, B8:10–12
X-ray diffraction data, A3:237
mudrock, bioturbated, photograph, A3:187
mudrock, porphyroblastic, photograph, A1:68; A3:238–239
mudstone
lithologic units, A1:14; A3:22–30, 32–33, 37–38, 44–48, 58–60
photograph, A3:140, 142, 154, 177, 184–186, 188, 194, 201–202, 222
postrift sedimentation, B1:27–28
upper Paleocene–middle Eocene sedimentology, B8:10–12
mudstone, burrowed, photograph, A3:165, 239–240, 261
mudstone, calcareous
lithologic units, A3:41
photograph, A3:160, 191, 211
mudstone, graded
lithologic units, A3:41–42
photograph, A3:190, 195
mudstone, greenish brown, lithologic units, A3:21–25, 58–59
mudstone, hematitic sandy, photomicrograph, A3:181
mudstone, high-porosity low-velocity, undercompacted systems, A3:101
mudstone, laminated, photograph, A3:235
mudstone, massive
photograph, A3:192, 210
X-ray imaging, B6:18
mudstone, massive sandy, photograph, A3:134–135
mudstone, multicolored, Upper Cretaceous, A1:31–32
mudstone, sandy, lithologic units, A3:21–25, 32–33, 36–37, 58–59
mudstone, silty, photograph, A3:158
muscovite
argon isotopes, B4:1–13
lithologic units, A3:37
photograph, A3:208, 223
photomicrograph, B2:20
provenance, B4:3–5
sandstone, B2:4–5
mylonites, lithologic units, A4:5–8
mylonites, serpentinite, lithologic units, A1:23

N

nannofossil bioevents
Cenomanian–Turonian interval, B13:44
middle Campanian–lower Paleogene interval, B13:45
Paleocene–Eocene transition, B13:46
nannofossil datums
distribution, A3:338–339
sedimentation rates, A3:89
nannofossil zoning, vs. age, B13:37–40
nannofossils
biostratigraphy, A1:16
preservation, B13:6–25
nannofossils, calcareous
biostratigraphy, A3:75–80; B11:1–9; B13:1–53
biostratigraphy vs. depth, B13:41–43
distribution, B11:8
nannofossils, Cenozoic, distribution, A3:332–334
nannofossils, Mesozoic, distribution, A3:335
Newfoundland Basin
Albian paleoflow, B3:1–27
biostratigraphy, B13:1–53
geology, A1:1–78
quartz fluid inclusions, B5:1–21
rifting, B1:11–15
Newfoundland continental rise, seismic profiles, A1:48–50
Newfoundland margin
bathymetry, A1:47
continental breakup, B9:1–69
Cretaceous paleolatitude, B15:1–37
geochemical evidence for sedimentation, B8:1–63
geochronology, B4:1–13
geology, A1:1–78; B1:1–55
rift systems, A1:5–6
seismic profiles, A1:51
See also Iberia-Newfoundland rift
Newfoundland nonvolcanic rifted margin, marine geophysical data, A5:1–36
Newfoundland Seamounts
age, B1:21
rifting phases, B1:8
Newfoundland-Gibraltar Fracture Zone, postrift magmatism, B1:24
nickel
fine-grained sediments, B8:14
lithologic units, A3:29, 54
Turonian–uppermost Santonian sedimentology, B8:9
upper Paleocene–middle Eocene sedimentology, B8:12
vs. depth, B8:52
nickel/aluminum ratio
oceanic anoxic events, A3:98
vs. depth, A3:280
niobium
basalt flows, B9:16
lower Campanian–upper Paleocene sedimentology, B8:10
niobium anomaly, basalt flows, B9:16–19, 33
niobium/yttrium ratio
basalt flows, B9:16
vs. zirconium/titanium ratio, B9:56
vs. zirconium/yttrium ratio, B9:63
niobium-zirconium-yttrium system, basalts, B9:58
nitrogen
sediments, A3:96, 349–352
See also carbon/nitrogen ratio
nitrogen isotopes
black shale, B10:4, 11–13
vs. total organic carbon, B10:9
nodules, photograph, A3:232
nodules, carbonate, lithologic units, A3:51
nodules, limestone, lithologic units, A3:51–52
nodules, pyrite, lithologic units, A3:35
Norian, rifting phases, B1:6
North America, Cretaceous paleolatitude, B15:36
Norwegian-Greenland Sea, comparison at Site 1276 and Site 398, A1:28
Nova Scotia, muscovite, B4:4

O

ocean basins, rifting phases, B1:6
ocean circulation, abyssal regions, A1:32
ocean floors, SCREECH Transect 2, A5:6
oceanic anoxic Event 2, lithologic units, A3:43
oceanic anoxic events
black shale, A3:97–98; B10:5; B13:21
critical events, A1:18–19, 31; A3:54–55, 97–98
postrift sedimentation, B1:27–28
See also Bonarelli event; Paquier events
Oligocene, lower
biostratigraphy, A3:85; B13:17–19
lithologic units, A3:21–25, 58–59
lithostratigraphy, A3:58–59
paleoenvironment, B13:23–24
postrift sedimentation, B1:32–33
Oligocene, remanent magnetization, A1:19
olivine
diabase, A1:15
Lower Sill complex, A3:69
sill zoning, A3:67
opal
lithologic units, A3:33
lower Campanian–upper Paleocene sedimentology, B8:10
opal-A
lithologic units, A3:30
middle–upper Eocene sedimentology, B8:12
opal-CT, lithologic units, A3:24, 30
organic debris, lithologic units, A3:42
organic matter
black shale, B10:4–5
Rock-Eval pyrolysis, A3:97
sediments, A1:20; A3:353–355
vs. depth, A3:281
orthopyroxene, altered, photograph, A4:14
orthopyroxene, lithologic units, A4:7
ostracode shells
lithologic units, A3:22–25
photomicrograph, A3:151
Oxfordian, rifting phases, B1:6–7
oxidation
lithologic units, A3:29; B8:17
photograph, A3:185, 194
oxygen index
black shale, B10:4–5
vs. hydrogen index, B10:10
oxygen isotopes, peridotites, B1:17
oxygen-minimum zones, deposition, A3:62

P

paleoceanography
Cretaceous, A1:28–29
lithologic units, A3:25, 29–30, 35–36, 38–39, 43–44, 46, 49–50
paleoenvironment, A1:17
sedimentation, A1:12–13
paleoceanography, abyssal, gateways, A1:16
Paleocene
muscovite, B4:4
paleoenvironment, B13:22–23
photomicrograph, A3:171
postrift sedimentation, B1:28–31
provenance of volcanic sand, B2:8–9
quartz-feldspar-lithic fragments system, B2:27
quartz-potassium feldspar-plagioclase system histograms, B2:29
sandstone and grainstone, B2:1–47
seafloor spreading, A1:12–13
sedimentation, A3:63–64
See also Cretaceous/Tertiary boundary
Paleocene, lower
biostratigraphy, A3:86, 88; B13:13–14
remanent magnetization, A1:19
Paleocene, upper
biostratigraphy, A3:81, 86; B13:14–15
lithologic units, A3:25–36, 59–61
lithostratigraphy, A3:59–61
magnetostratigraphy, A3:93–94
postrift sedimentation, B1:31
sedimentology, B8:10–12
Paleocene/Eocene boundary
biostratigraphy, B13:15–16
critical events, A1:17–18
nannofossil biostratigraphy, A3:76–77
Paleocene/Eocene Thermal Maximum
biostratigraphy, A3:76; B13:15–16
critical events, A1:17–18, 32
Paleocene–Eocene transition, nannofossil bioevents, B13:46
paleoclimatology
lithologic units, A1:14–15; A3:38
Paleocene/Eocene Thermal Maximum, A1:17–18
paleocurrents, turbidity currents, B3:1–27
paleodepth, abyssal, benthic foraminifers, A3:83
paleoenvironment, paleoceanography, A1:17
paleoflow directions, turbidity currents, B3:1–27; B4:5
Paleogene
biostratigraphy, A1:16
foraminiferal biostratigraphy, A3:80–81
nannofossil biostratigraphy, A3:75–76
palynomorph biostratigraphy, A3:85–86
radiolarian biostratigraphy, A3:87–88
paleogeography
Cretaceous, B3:18
quartz-feldspar-lithic fragments system, B2:37
paleolatitude, Cretaceous, B15:1–37
paleomagnetism
paleocurrent dip, B3:10–11
Site 1276, A1:19–20; A3:90–95
Site 1277, A1:23–24; A4:9
paleosecular variations, sills, B15:10–11
palynomorphs
biostratigraphy, A1:16; A3:85–87
biostratigraphy vs. depth, B13:41–43
distribution, A3:337
Paquier events, critical events, A1:19, 21
parallel laminations, photograph, A3:200, 217
pebbles, subrounded, photograph, A3:145
pegmatites, gabbroic, rifting, B1:12
pellets
lithologic units, A3:51
photomicrograph, A3:233
pentane, sediments, A3:95
peridotite ridges, tectonic models, B9:30–31
peridotites
magnetic anomalies, B1:16–17
melting, B1:14–15
oxygen isotopes, B1:17
rifting, B1:12
peridotites, foliated serpentinized, photograph, A4:14, 25–27
peridotites, serpentinized
lithologic units, A4:5–8
photograph, A4:28
remanent magnetization, A1:24
petrography
grainstone, B2:4–5
sandstone, B2:4–5
phenocrysts. See microphenocrysts
phosphate grains, photomicrograph, A3:171
phosphatic layers, lithologic units, A3:52
phosphorus oxide
fine-grained sediments, B8:14
lithologic units, A3:54
lower Campanian–upper Paleocene sedimentology, B8:10
upper Paleocene–middle Eocene sedimentology, B8:12
vs. depth, B8:46
phyllite, photomicrograph, A3:223
physical properties
seismic-core correlation, B14:6–9, 11–16
Site 1276, A1:21–22; A3:99–107
Site 1277, A1:24; A4:10–11
plagioclase
basalt flows, B9:14–15
diabase, A1:15
diabase sills, A3:243
lithologic units, A3:28, 33
Lower Sill complex, A3:69
photomicrograph, B2:20
sandstone, B2:4–5
segregation bands, A3:68
sill zoning, A3:67
plagioclase, elongate, lithologic units, A4:6
plagioclase aggregates, photograph, A4:21
plagioclase laths, photomicrograph, A3:247, 250
plagioclase microlites, photomicrograph, A3:152
planar laminations
grain fabric, B3:26–27
lithologic units, A3:27–28, 33–34; A4:5
paleocurrent dip, B3:10–11
photograph, A1:67; A3:165–166, 186–187, 195, 197, 205, 225
plant debris
black shale, B10:4–5
lithologic units, A3:43
photomicrograph, A3:224
Plantagenet Formation
postrift sedimentation, B1:30
sedimentation, A1:12; A3:63–64
plate tectonics, rift systems, A1:4–6
Pliocene, sedimentation, A3:63
polar wander, paleosecular variations, B15:11–13
pore water
geochemistry, A3:98
sulfate, A3:356
porosity
igneous rocks, A1:24; A4:10
lithology automatic association with laboratory measurements, B7:1–21
sandstone, B2:4–5
sediments, A1:21; A3:99–101
seismic-core correlation, B14:6–9
vs. depth, A1:74–75; A3:285–286, 288–289; A4:31; B7:14–15
porphyroblasts
hydrothermal alteration, A3:56–57
photograph, A3:244
quartz, A3:239
porphyroblasts, asymmetric, photograph, A4:14
porphyroblasts, calcite, sill/sediment contacts, A3:66
porphyroblasts, elongate, lithologic units, A4:6
porphyroblasts, pyroxene, photograph, A4:26
Porto Basin, rifting phases, B1:6
potassium, lithologic units, A3:54
potassium feldspar
lithologic units, A3:33
provenance of gravity-flow deposits, B2:7–8
potassium oxide
Albian–Turonian sedimentology, B8:7
black shale, B8:16
fine-grained sediments, B8:14
sills, A3:68
Turonian–uppermost Santonian sedimentology, B8:9
vs. aluminum oxide, B8:25, 35
vs. depth, B8:42
vs. silica, A3:251
vs. titanium oxide, B8:36
See also sodium oxide + potassium oxide
preservation, nannofossils, B13:6–25
pressure solution, photograph, A3:155
Priabonian, biostratigraphy, A3:85–86
productivity
barium, A3:98; B10:5
black shale, B10:5
upwelling, B8:17
productivity hypothesis, finely laminated black shale origin, A3:55–56
propane, sediments, A3:95
protostylolites, lithologic units, A3:29
provenance
fine-grained sediments, B8:13–15
lithologic units, A3:25, 29–30, 35–36, 38–39, 43–44, 46, 49–50
muscovite, B4:3–5
quartz granitoid sources, B5:3–4
quartz-feldspar-lithic fragments system, B2:36
pyrite
hydrothermal alteration, A3:57
lithologic units, A3:42
Lower Sill complex, A3:69
photomicrograph, A3:133, 171
sill zoning, A3:67
pyrite, framboidal, lithologic units, A3:52
pyroclastic debris, photomicrograph, B2:34
pyroclasts, vitric, photomicrograph, A3:175
pyrolysis, Rock-Eval
black shale, B10:4–5
organic matter, A3:97
pyroxene
diabase, A1:15
Lower Sill complex, A3:69
See also augite; clinopyroxene; orthopyroxene
pyroxene, elongate, lithologic units, A4:6
pyroxene aggregates, elongate recrystallized, photograph, A4:26

Q

quartz
Albian–Turonian sedimentology, B8:5–7
hydrothermal alteration, A3:56–57
lithologic units, A3:23–25, 33, 37, 45
Lower Sill complex, A3:69
photomicrograph, A3:149, 174, 181–182, 206, 208, 223–224; B2:20
porphyroblasts, A3:239
sill zoning, A3:67
X-ray diffraction data, A3:52, 237
quartz, chalcedonic
lithologic units, A3:24
photomicrograph, A3:133
quartz, detrital, fluid inclusions, B5:1–21
quartz, monocrystalline
photomicrograph, B2:22
sandstone, B2:4–5
quartz grains, subhedral, photomicrograph, A3:152

R

radiolarian tests, photomicrograph, A3:133, 209
radiolarians
biostratigraphy, A3:87–88
lithologic units, A3:37
paleoenvironment, B13:19
rare earths
basalt flows, B9:17–19
volcaniclastics, B9:69
recrystallization
hydrothermal alteration, A3:56–57
photomicrograph, B9:54
red algae
lithologic units, A3:22–25, 28
photomicrograph, A3:149
redeposition, lithologic units, A3:49–50, 59
redox, sediments, A3:98; B10:5
reduction, lithologic units, A3:29
reflections
dip, B3:24
predicted depths for major boundaries, A1:77
SCREECH Transect 2, A5:4–5, 11–32; B3:19
Site 1276 stratigraphy comparison with Iberia margin, A1:24–28
time-depth of top of cored section, B14:9–10
transition zones, A1:7–10
reflections, conjugate, magnetic Anomaly M1, A1:43–44
remanent magnetization
peridotites, A4:9, 37, 39
split-core data, B15:5–7
temperature, B15:24
vs. depth, A3:269
remanent magnetization, characteristic
age, B15:9–10
diabase sills, A1:19; A3:92–93
direction, A3:340–341
sediments, A1:23–24; A3:90–92
remanent magnetization, natural, sediments, A1:19, 23–24; A3:90–92, 340–341
rhenium, black shale, B8:16; B10:5
rift systems, geology, A1:1–78
rifting
Chron M0, B1:45–46
continental crust, A5:36
phases, B1:6–15
SCREECH Transect 2, A5:6
summary, A1:40
ripple laminations
foreset dips, B3:23
migration directions, B3:25
photograph, A3:186
rock fragments, lithologic units, A3:27
rock magnetism, Cretaceous, B15:8–9, 33–34
rubidium
fine-grained sediments, B8:14
vs. depth, B8:50
Rupelian, biostratigraphy, A3:85

S

Salar-Bonnition Basin
rift systems, A1:5–6
rifting phases, B1:6, 8
salinity
fluid inclusions, B5:3–4
vs. temperature, B5:15
sand, volcaniclastic, photograph, B9:47
sand grains, photomicrograph, A3:152
sandstone
fluid inclusions, B5:1–21
lithologic units, A1:14; A3:45, 48–49
paleocurrent dip, B3:10–11
petrography, B2:4–5
petrology, B2:1–47
photograph, A2:203, 210, 219, 222, 227
point count categories, B2:43–46
postrift sedimentation, B1:28–31
quartz-feldspar-lithic fragments system, B2:25–27
quartz-potassium feldspar-plagioclase system histograms, B2:29
sedimentary properties, B2:38–42
vs. depth, A3:127–129
sandstone, burrowed, lithologic units, A3:36–37
sandstone, burrowed muddy, photograph, A3:184
sandstone, calcareous
lithologic units, A3:26–28, 33–34, 41–42, 47–48
photograph, A3:172, 191, 204, 218, 229, 240
sandstone, cross-laminated, photograph, A3:184
sandstone, graded
lithologic units, A3:37, 41–50
photograph, A3:146, 195–196, 199
sandstone, horizontally laminated, X-ray imaging, B6:12
sandstone, horizontally laminated calcareous, X-ray imaging, B6:10
sandstone, laminated
photograph, A3:130
X-ray imaging, B6:14–15
sandstone, laminated graded, photograph, A4:24
sandstone, lenticular, photograph, A3:153, 228
sandstone, massive, X-ray imaging, B6:17
sandstone, massive silty, photograph, A3:214
sandstone, micaceous, photograph, A4:19
sandstone, muddy
lithologic units, A3:21–25, 36–37, 47–48, 58–59
photograph, A1:62; A3:180
Turonian–uppermost Santonian sedimentology, B8:9
sandstone, parallel-laminated, X-ray imaging, B6:13
sandstone, planar-trough cross-laminated, X-ray imaging, B6:11
sandstone, porous, photograph, A3:196
sandstone, silty
photograph, A3:215
photomicrograph, A3:206
sanidine, lithologic units, A3:33
Santonian
lithologic units, A1:15, 17; A3:36–39, 61
quartz-feldspar-lithic fragments system, B2:26
quartz-potassium feldspar-plagioclase system histograms, B2:29
sedimentology, B8:9
scandium, basalt flows, B9:16
scoured bases
lithologic units, A3:23
photograph, A3:142, 165, 172, 187–188
SCREECH Transect 2, marine geophysical data, A5:1–36
Scruncheon Seamount, age, B1:21
seafloor spreading
continental breakup, B9:1–69
extension rates, B1:20, 53
SCREECH Transect 2, A5:6
Upper Jurassic, B1:6–7
seafloor spreading, ultra-slow, transition zones, A1:12
seams, lithologic units, A3:35
sediment cycles, lithologic units, A3:38
sedimentary beds, apparent dip, A3:256
sedimentary crust, ferromanganese-cemented, lithologic units, B9:13–14
sedimentary structures, photograph, A3:197
sedimentation
geochemistry, B8:1–63
rift-to-drift models, B2:10–11
rifts, B1:1–55
stratigraphy, A1:12–13
sedimentation, postrift, Mesozoic–Cenozoic, B1:27–33
sedimentation, prerift, Tithonian–Berriasian, B1:25
sedimentation, synrift, Tithonian–Aptian, B1:25–27
sedimentation rates
biostratigraphy, A3:88–90
lithologic units, A1:14–15; A3:38, 60–62, 329; B15:3–5
sedimentology, Iberia-alicia margin compared with Newfoundland margin, B9:21
sediments
hydrothermal alteration, A3:56–57
lithologic units, A4:4–6
relation to Lower Sill complex, A3:69–70
Site 1276 stratigraphy comparison with Iberia margin, A1:24–28
velocity factors, A3:101–104
See also igneous-sedimentary cover; sill/sediment contacts
sediments, clastic
lithologic units, A4:4–6
photograph, A3:146–147
sediments, clastic ferruginous, photograph, B9:47
sediments, coarse-grained, photograph, A3:148, 157
sediments, ferruginous
lithologic units, A1:22; A4:5
photograph, A4:19
sediments, fine-grained
lithologic units, A3:52–55
provenance, B8:13–15
sediments, hemipelagic, lithologic units, A3:25, 29
sediments, polymict clastic
lithologic units, A4:6
photograph, A4:21–23
sediments, postrift, argon isotopes, B4:1–13
segregation bands
photograph, A3:248
sills, A3:67–68
seismic horizons, interpretation, B14:31
seismic profiles
crust, A1:48–51; A5:11–32; B1:48
Galicia margin, B1:51
Site 1276, A3:307, 312–313; B3:19; B8:23; B14:21
Site 1277, A4:34–35; B9:43
U reflection, B1:54
seismic reflection, vs. synthetic seismograms, A3:311
seismic Sequence A
comparison at Site 1276 and Site 398, A1:27
transition zones, A1:7–8
seismic Sequence B
comparison at Site 1276 and Site 398, A1:27
Site 1276 stratigraphy comparison with Iberia margin, A1:24–28
transition zones, A1:8–9
seismic Sequence C
comparison at Site 1276 and Site 398, A1:28
Site 1276 stratigraphy comparison with Iberia margin, A1:25
transition zones, A1:9
seismic Sequence D
comparison at Site 1276 and Site 398, A1:28
Site 1276 stratigraphy comparison with Iberia margin, A1:25
transition zones, A1:9–10
seismic Sequence E, transition zones, A1:10
seismic Sequence F, transition zones, A1:10
seismic sequences
comparison at Site 1276 and Site 398, A1:27–28
transition zones, A1:7–10
seismic source wavelets, synthetic seismograms, B14:9, 26
seismic surveys
basement, A4:11–12
SCREECH Transect 2, A5:1–36
seismic-borehole correlation
density and velocity, A3:107–108
Site 1276, A3:107–113
Site 1277, A4:11–12
seismic-core correlation, Site 1276, B14:1–33
seismograms, synthetic
comparison to seismic reflection data, A3:311
seismic-core correlation, B14:9–10, 28–29
source wavelets, A3:110–111
Selandian, biostratigraphy, A3:86
serpentine
lithologic units, A4:8
sill zoning, A3:67
serpentinite, remanent magnetization, A1:23–24
serpentinite grains, detrital
photograph, A4:24
photomicrograph, B9:53, 55
serpentinization, magnetic anomalies, B1:17–19
serpentinization, postkinematic, photograph, A4:26
shale composite, geochemistry, B8:59
shear zones
deformation structures, A3:71–73
photograph, A3:136
shear zones, ductile
lithologic units, A3:24
photograph, A3:170, 261
shear zones, synsedimentary, photograph, A3:148
siderite
deposition, A3:62
photograph, A3:231
siderite, cryptocrystalline, lithologic units, A3:51
silica
Albian–Turonian sedimentology, B8:7–8
fine-grained sediments, B8:14
lithologic units, A3:33, 53
lower Campanian–upper Paleocene sedimentology, B8:10
sills, A3:68
Turonian–uppermost Santonian sedimentology, B8:9
upper Paleocene–middle Eocene sedimentology, B8:12
vs. aluminum oxide, A3:251; B8:31
vs. depth, B8:44
vs. major oxides, A3:68, 251
vs. sodium oxide + potassium oxide, A3:69, 252
vs. titanium oxide, B8:38
silica, opaline, lithologic units, A3:24
siliceous microfossils, biostratigraphy, A1:16
siliciclastics
lithologic units, A3:33–34, 42, 49–50
photomicrograph, A3:182
postrift sedimentation, B1:28–31
provenance, B2:4–5
rift-to-drift models, B2:10–11
rifting phases, B1:6
silicification, lithologic units, A3:35
silicon, basalt flows, B9:16
sills
core recovery, A1:72
correlation, A3:112–113
geochemistry, A3:330; B1:21–23
hydrothermal alteration, A3:56–57, 68
lithologic units, A1:15, 30–31
Lower Sill complex, A3:69–70
magnetization, B15:9–10
petrology, A3:65–70
photograph, A3:242
zoning, A3:66–67
sills, diabase, lithologic units, A1:14
sill/sediment contacts
petrology, A3:65–66
photograph, A3:242, 244–245, 254
photomicrograph, A3:254
velocity, A3:104
x-direction velocity, A3:294
silt, photograph, A1:66
silt, quartz + feldspar, photomicrograph, B2:23
silt, volcaniclastic, photograph, B9:47
siltite. See calc-siltite, ferruginous
siltstone
fluid inclusions, B5:1–21
lithologic units, A1:14; A3:45
photograph, A1:192; A3:185, 210–211
photomicrograph, A3:226
siltstone, bioclastic carbonate, fluid inclusions, B5:9–10
siltstone, burrowed, photograph, A3:165
siltstone, calcareous
lithologic units, A3:33–34, 41
photograph, A3:204, 244
siltstone, deformed, photograph, A3:179
siltstone, graded
lithologic units, A3:37, 41–42
photograph, A3:190, 195
siltstone, laminated, photograph, A3:193, 212, 262
siltstone, laminated terrigenous, photograph, A3:208
siltstone, lenticular, photograph, A1:69; A3:216
siltstone, muddy
lithologic units, A3:34
Turonian–uppermost Santonian sedimentology, B8:9
siltstone, sandy
photograph, A3:207
photomicrograph, A3:223–224
siltstone, tuffaceous, photomicrograph, A3:175
Sinemurian, rifting phases, B1:6
Site 398
biostratigraphic datums vs. depth, A3:267
lithostratigraphy, B2:18
Lower Cretaceous quartz-feldspar-lithic fragments, B2:30
seismic and sedimentary succession, A1:25–26
Site 1065, Tithonian and Jurassic quartz-feldspar-lithic fragments, B2:31
Site 1069, Tithonian and Jurassic quartz-feldspar-lithic fragments, B2:31
Site 1276, A3:1–358
Albian nannofossil biostratigraphy, B11:1–9
biostratigraphic datums vs. depth, A3:266
biostratigraphy, A1:16–19; A3:73–90; B11:1–9; B12:1–8; B13:1–53
biostratigraphy summary, A3:331
coring summary, A3:314–315
Cretaceous paleolatitude, B15:11–13, 26
drilling, A1:58–59
Eocene benthic foraminifers, B12:1–8
geochemical evidence for sedimentation, B8:1–63
geochemistry, A1:20–21; A3:95–98
igneous and metamorphic petrology, A1:15; A3:64–70
lithologic unit summary, A3:316–317
lithostratigraphy, A1:13–15, 61; A3:20–64, 127–129
major and trace elements, A3:323–328
multiproxy geochemical characterization of black shales, B10:1–16
operations, A1:60; A3:4–20, 122–126
paleomagnetism, A1:19–20; A3:90–95
physical properties, A1:21–22; A3:99–107
quartz fluid inclusions, B5:1–21
sedimentation rates, A3:329
seismic profiles, A1:53–54
seismic-borehole correlation, A3:107–113
seismic-core correlation, B14:1–33
sill geochemistry, A3:330
sills, A1:30–31
site description, A3:1–358
stratigraphy comparison with Iberia margin, A1:24–28
structural geology, A3:70–73
structures, B6:1–21
summary, A3:1–4
synthesis, A1:13–22
U reflection, A1:31
X-ray diffraction data, A3:318–322
Site 1277, A4:1–39
basalt flows, B9:1–69
biostratigraphy, A1:23; A4:8
comparison of tectonic and stratigraphic relations at top of basement, B9:64
coring summary, A4:36
Cretaceous paleolatitude, B15:11–13, 26
geochemistry, B9:68–69
igneous and metamorphic petrology, A4:3–8
lithostratigraphy, A1:22–23
operations, A1:60; A4:2–3
paleomagnetism, A1:23–24; A4:9
physical properties, A1:24; A4:10–11
seafloor relations, B9:65
seismic-borehole correlation, A4:11–12
site description, A4:1–39
site summary, A4:1–2
synthesis, A1:22–24
smectite
lithologic units, A3:30, 33
Lower Sill complex, A3:69
sill zoning, A3:67
X-ray diffraction data, A3:237
See also illite/smectite mixed minerals
sodium oxide
Albian–Turonian sedimentology, B8:7
fine-grained sediments, B8:14
sills, A3:68
vs. aluminum oxide, B8:27
vs. depth, B8:49
sodium oxide + potassium oxide, vs. silica, A3:69, 252
soft-sediment deformation
lithologic units, A3:24–25, 29–30, 33–34, 43, 45
photograph, A3:135–138, 156, 170, 205, 216, 219
X-ray imaging, B6:5
spinel, lithologic units, A4:7
sponge spicules
lithologic units, A3:22–25
photomicrograph, A3:133
stratigraphy
critical events, A1:17–19
sedimentation, A1:12–13
strontium, fine-grained sediments, B8:15
structural geology, Site 1276, A3:70–73
structures, brittle, sediments, A3:29
structures, X-ray imaging, B6:1–21
stylolites
photograph, A3:155, 178, 260
See also protostylolites
submarine erosion, lithologic units, B9:14
submarine fans, rift-to-drift models, B2:11
subsidence, rifting phases, B1:6
sudoite, hydrothermal alteration, A3:57
sulfate, pore water, A3:98, 356
swirled laminations
lithologic units, A3:27
photograph, A3:217–219

T

Tagus Abyssal Plain, rift systems, A1:5–6
tantalum. See hafnium-thorium-tantalum system
tectonic models
basaltic volcanism, B9:29
continental breakup, B9:31–33, 66–67
ductile deformation and extension, B9:26–28
faulting and uplift of peridotite ridge, B9:30–31
in-plane compression, B9:30
late-stage brittle deformation, B9:29–30
serpentinite mass flows, B9:28
serpentinized harzburgites, B9:25–26
tectonic terranes, maps, B2:32
tectonics
continental crust, A5:36
Iberia-Galicia margin compared with Newfoundland margin, B9:20
rift systems, A1:4–6; B1:1–55
tectonite, quartz-mica, sandstone, B2:4–5
temperature
black shale, B10:4–5
remanent magnetization, B15:24
Rock-Eval pyrolysis, A3:97
vs. depth, A3:281
vs. hydrogen index, A3:282
vs. salinity, B5:15
terranes, accreted, continental crust, B1:5
terrigenous input, lithologic units, A3:30, 54–55; B8:17–18
terrigenous input hypothesis, finely laminated black shale origin, A3:55–56
Tertiary. See Cretaceous/Tertiary boundary
Tethyan, biostratigraphy, A3:81, 88
textures, felsic, sandstone, B2:4–5
textures, glassy, relation to Lower Sill complex, A3:69–70
textures, granular, lithologic units, A3:51
textures, intergranular
diabase sills, A3:243, 249
photomicrograph, A3:247
sill zoning, A3:67
textures, intersertal
diabase sills, A3:243
Lower Sill complex, A3:70
photomicrograph, A3:246–248
sill zoning, A3:67
textures, jigsaw-type, photograph, A4:18
textures, laminated, photograph, A4:19
textures, Lower Sill complex, A3:70
textures, magmatic, sill zoning, A3:67
textures, microbial, photograph, A4:19
textures, microlitic
photomicrograph, B2:33–35
sandstone, B2:4–5
textures, patchy, sill zoning, A3:67
textures, relict vesicular pumice, photomicrograph, B2:35
textures, stromatolitic, photograph, A4:19
textures, subophitic
diabase sills, A3:243
sill zoning, A3:67
textures, swirled, photograph, A3:135
textures, vesicular, photomicrograph, A3:226; B2:34
thermal conductivity
igneous rocks, A1:24; A4:11
sediments, A1:21; A3:104–105
vs. depth, A3:297–298; A4:33
thermal degradation, vs. depth, A3:281
thermal overprint, relation to Lower Sill complex, A3:70
thorium
basalt flows, B9:17
See also hafnium-thorium-tantalum system
time-depth conversion, laboratory studies, A3:108–111
titanium
basalt flows, B9:17
lithologic units, A3:35, 54
vs. vanadium, B9:57, 60
See also zirconium/titanium ratio
titanium oxide
Albian–Turonian sedimentology, B8:7
black shale, B8:16
fine-grained sediments, B8:14
lithologic units, A3:33, 53–54
middle–upper Eocene sedimentology, B8:13
sills, A3:68
Turonian–uppermost Santonian sedimentology, B8:9
upper Paleocene–middle Eocene sedimentology, B8:12
vs. aluminum oxide, B8:28, 33, 37, 39
vs. depth, B8:41
vs. magnesium oxide, B8:29
vs. potassium oxide, B8:36
vs. silica, A3:251; B8:38
vs. zirconium, A3:251
titanium/zirconium ratio, basalt flows, B9:16
titanium-zirconium-yttrium system, basalts, B9:58, 61
titanomagnetite, Cretaceous, B15:9
Tithonian
quartz-feldspar-lithic fragments system, B2:31
rifting phases, B1:6–7
synrift sedimentation, B1:25
tonalite, continental crust, B1:5
Tore Seamount, rifting phases, B1:8
tourmaline, lithologic units, A3:37
trace elements
basalts, B9:59, 62
black shale, B10:5, 15–16
fine-grained sediments, B8:60–63
sediments, A3:98, 323–328
sills, A3:68–69, 330
volcaniclastics, B9:68–69
trace elements/aluminum ratio, black shale, B10:16
transects
basement, A1:6–7
maps, A1:45–46
transition zones
rift systems, A1:5–6
structural asymmetries, A1:56–57
traveltime, two-way
basement, A5:33
predicted of sill/sediment contacts, A3:357
seafloor and sill, B14:32
vs. depth, A3:309
Triassic, Upper
rift systems, A1:4–6
rifting phases, B1:6
tuff, altered, photomicrograph, A3:226
tuff, lithologic units, A3:49
turbidites
Albian–Turonian sedimentology, B8:5–7
biostratigraphy, B13:24–25
lithologic units, A3:35–37, 43–44, 49–50, 56, 59–60; B3:17
photograph, A1:65; A3:131, 139, 142, 155, 165, 170, 172, 200, 205
postrift sedimentation, B1:30–33
velocity, A3:103–104
See also calciturbidites
turbidites, calcareous, photograph, A3:260
turbidites, graded sandstone, photograph, A3:186–187, 195–196, 202
turbidites, grainstone, photograph, A3:167
turbidites, granule-grade, photograph, A3:164
turbidites, marlstone, photograph, A3:163
turbidites, mudstone, photograph, A3:169, 176, 238
turbidites, sandstone, photograph, A3:173, 198–199, 201, 218, 225, 238
turbidites, sandy, photomicrograph, A3:182
turbidites, silt-mud, photograph, A3:192
turbidites, siltstone, photograph, A3:188, 199
turbidity currents
biostratigraphy, B13:19–25
lithologic units, A1:14; A3:25, 30, 38–39
lithostratigraphy, A3:57–63
paleoflow directions, B3:1–27
photograph, A3:204–205, 211–212
Turonian
biostratigraphy, A3:86; B13:9–11
geochemistry, A1:20
lithologic units, A1:14; A3:36–58, 61–63
paleoenvironment, A1:17; B13:21–22
postrift sedimentation, B1:28–31
remanent magnetization, A1:19
sedimentation rates, A3:89
sedimentology, B8:5–8
See also Cenomanian–Turonian interval; Cenomanian/Turonian boundary
Turonian, lower
biostratigraphy, A3:79, 81
comparison at Site 1276 and Site 398, A1:27

U

U reflection
basement isopach maps, A1:52
seismic profiles, B1:54
sill injection, B1:22
synthetic seismograms, A1:31
ultramafics, tectonized altered, lithologic units, A1:22–23
unconformities
Albian, B1:13
biostratigraphy, A3:74
comparison at Site 1276 and Site 398, A1:27–28
lithologic units, A3:39
photograph, A3:144
rifting, B1:11
See also Avalon unconformity
undercompacted systems, high porosity and low velocity mudstone, A3:101
unroofing, rift-to-drift models, B2:10–11
uplifts, tectonic models, B9:30–31
upwelling, productivity, B8:17
uranium, black shale, B8:16; B10:5

V

Valanginian
lithologic units, A3:28
rifting phases, B1:9–11
synrift sedimentation, B1:25–27
vanadium
basalt flows, B9:16
black shale, B8:16; B10:5
fine-grained sediments, B8:14
lithologic units, A3:54
oceanic anoxic events, A3:98
vs. depth, B8:54
vs. titanium, B9:57, 60
vanadium/aluminum ratio
oceanic anoxic events, A3:98
vs. depth, A3:280
veins
lithologic units, A1:22
mantle exhumation, B1:14–15
veins, anastomosing, lithologic units, B9:11–13
veins, anastomosing calcite and talc, photograph, A4:25
veins, calcite
fluid inclusions, B5:13–14
lithologic units, B9:7–8
photograph, A3:238; A4:20, 27–28; B9:48
veins, calcite + pyrite, sill/sediment contacts, A3:66
veins, folded subvertical, photograph, A3:244
veins, magmatic, lithologic units, A4:8
veins, plagioclase magmatic, photograph, A4:28
velocity
igneous rocks, A1:24
sediments, A1:21
sediment/sill contacts, A3:104
seismic-borehole correlation, A3:107–108
seismic-core correlation, B14:6–9
time-depth conversion, A3:109–110
turbidites, A3:103–104
vs. carbonate content, A3:292
vs. depth, A1:74–75; A3:289, 303; A4:32; B7:16; B14:23–25
vs. two-way traveltime, B14:27–30
See also compressional wave velocity
velocity, x-direction
sill/sediment contacts, A3:294
vs. carbonate content, A3:293
vs. depth, A3:289–294, 303, 308; B14:22, 27
velocity, y-direction, vs. depth, A3:290–291, 308
velocity, z-direction
histograms, A3:310
vs. depth, A3:290–291, 308; B14:22
velocity anisotropy, vs. depth, A3:295–296
vermiculite, X-ray diffraction data, A3:237
Verwey transition, Cretaceous, B15:9
vesicles, photomicrograph, A3:174
Vigo Seamount, seismic and sedimentary succession, A1:25–26
volcanic ash, altered, X-ray diffraction data, A3:237
volcanic ash, lithologic units, A3:49
volcanic fragments
Paleocene, B2:9
photomicrograph, B2:35
volcanic fragments, tachylitic, photomicrograph, B2:33
volcanic glass
diabase, A1:15
lithologic units, A3:28
sill zoning, A3:67
volcanic glass, altered, photomicrograph, B2:33
volcaniclastics
deposition, B8:18
lithologic units, A1:22; B9:5–14, 32
Paleocene, B4:7–8
photograph, B9:47–52
photomicrograph, A3:152; B9:53
postrift sedimentation, B1:30–31
rift-to-drift models, B2:10–11
volcanism, basaltic, tectonic models, B9:29

W

wavy laminations, lithologic units, A3:33–34
weathering profile, vs. depth, A1:75
Whale Basin, rifting phases, B1:6

X

X-ray diffraction data
fine-grained sediments, A3:52–55
Site 1276, A3:318–322
X-ray imaging, structures, B6:1–21

Y

Ypresian, biostratigraphy, A3:85
yttrium
basalt flows, B9:16
fine-grained sediments, B8:15
lower Campanian–upper Paleocene sedimentology, B8:10
sills, A3:68
vs. zirconium, A3:251
See also niobium/yttrium ratio; niobium-zirconium-yttrium system; titanium-zirconium-yttrium system; zirconium/yttrium ratio

Z

zeolites
hydrothermal alteration, A3:57
lithologic units, A3:24
Zijderveld diagrams, demagnetization, A3:270, 274
zinc
basalt flows, B9:16
black shale, B8:16; B10:5
fine-grained sediments, B8:14
Turonian–uppermost Santonian sedimentology, B8:9
vs. depth, B8:53
zircon, lithologic units, A3:37
zirconium
basalt flows, B9:17
fine-grained sediments, B8:14
lithologic units, A3:29, 33, 35
sills, A3:68
vs. depth, B8:56
vs. titanium oxide, A3:251
vs. yttrium, A3:251
vs. zirconium/yttrium ratio, B9:57, 60
See also niobium-zirconium-yttrium system; titanium-zirconium-yttrium system; titanium/zirconium ratio
zirconium/titanium ratio, vs. niobium/yttrium ratio, B9:56
zirconium/yttrium ratio
basalt flows, B9:17
vs. niobium/yttrium ratio, B9:63
vs. zirconium, B9:57, 60
Zoophycos
lithologic units, A3:32
photograph, A3:159–160, 173

NEXT