SUBJECT INDEX

A

age
basement, A1:27–28
emplacement, A1:4–9
age, biostratigraphic, vs. paleolatitude, A1:50
age vs. depth
Cretaceous–Cenozoic, A3:152
lower Miocene, A3:56
Ontong Java Plateau, A3:70
Site 1183, B3:14
Site 1186, B3:15
strontium isotopes, B2:10
Albian
biostratigraphy, A7:6
carbonate compensation depth, A3:16
lithologic units, A1:24–26
paleoenvironment, A6:14–15
photograph, A3:61, 76; A6:50
See also Aptian–Albian interval
Albian, intra, hiatuses, A6:12
Albian, lower
nannofossils, A5:8
sedimentation, A6:10
Albian, middle, lithologic units, A1:22–24
Albian, upper
biostratigraphy, A6:13
lithologic units, A1:18–21
oceanic anoxic events, A3:14
photomicrograph, A6:53–54
planktonic foraminifers, A5:9
strontium isotopes, B3:6–7
Albian, upper–upper Coniacian interval, hiatuses, A6:12
Albian/Coniacian boundary, biostratigraphy, A3:22
alkalies, vs. silica, A1:39, 45; A3:108; A4:83; A5:70; A6:72; A7:34
alnoite, intrusions, B1:4
alteration
basalt, A3:25–26; A4:14–15
basement, A4:19
cement, A4:18
clasts, A4:17–18
halos, A4:19
magnetic minerals, A4:19
oxygen isotopes, B2:5
photograph, A1:63; A5:47–49, 75–76; A7:38, 41, 45
photomicrograph, A4:59, 77, 87–92, 95–98; A5:53–54, 64–65; A6:64, 71, 76–77; A7:29, 40–44
physical properties, B7:1–33
pillow basalt, A7:9
porosity, B7:7–8
Site 1183, A3:29–32
Site 1184, A4:17–19
Site 1185, A5:15–17
Site 1186, A6:17–19
Site 1187, A7:8–9
veins, A5:17
volcanic glass, A3:31; A6:19
water–rock interactions, A3:29–32
See also halos; hydrothermal alteration; secondary minerals
alteration, low-temperature
basalt, A3:29–30
physical properties, B7:8
tholeiite, A6:17–19
upper crust, B6:1–8
alteration features, petrography, A3:26–28
alteration fronts, photomicrograph, A3:112
alteration rims
glass, A4:18
photomicrograph, A6:60
altered matrix, photograph, A4:43
analcime
alteration, A4:17
hydrotherm alteration, A1:26
lithologic units, A1:16
veins, A4:18
analcime cement, photomicrograph, A4:98
angular standard deviation
paleolatitude, A5:22
paleomagnetic units, A7:11
anisotropy
magnetic susceptibility, B5:17
vs. depth, B5:19
anorthite, sediments, A6:104
apatite, sediments, A6:104
aphanitic texture
basalt, A3:25–26; A6:16–17
macroscopic description, A7:7
photograph, A3:84; A7:26
photomicrograph, A3:87; A6:66
Apparent Polar Wander Path, Lower Cretaceous, B5:8
Aptian
basal limestone, A3:13
basement, A1:27; A6:14
basement age, A3:23–24
carbonate compensation depth, A3:16
eruptions, A1:29–30
laminations, A3:13–14
limestone, A1:30
lithologic units, A1:13; A3:9–12; A7:3–4
paleoenvironment, A3:24–25; A6:14–15
photograph, A3:64–66; A7:22–23
sedimentation, A7:4–5
Aptian, lower
basement, A6:9
magmatism, B1:4
photograph, A6:58
photomicrograph, A6:60–61
sedimentation, A6:9–10
strontium isotopes, B3:3
Aptian, lower–middle, oceanic anoxic events, A3:14
Aptian, middle, biostratigraphy, A3:21–25; A6:13
Aptian, upper
clay, A3:12
lithologic units, A1:18–21, 24–26
paleomagnetic units, A5:21, 119
planktonic foraminifers, A5:11
strontium isotopes, B3:6
unconformities, A6:12
Aptian/Albian boundary
biostratigraphy, A6:13
claystone, A3:13–14
oceanic anoxic events, A3:14
sedimentation, A6:10
Aptian–Albian interval
Formation Microscanner imagery, A6:56, 89
lithologic units, A3:10–11; A6:6–8
oceanic anoxic events, A3:14
paleoclimatology, B2:3
photograph, A3:63; A6:52, 55, 57
photomicrograph, A3:67, 69
well-logging, A6:27
Aptian–Maastrichtian interval, carbonate compensation depth, A3:14–16
argon isotopes, age, B1:4–5
asteroids, melting, B1:9

B

basalt
alteration, A4:14–15
chemical composition, A5:115
geochemistry, A4:15; A6:17; A7:8, 58
Kwaimbaita Formation, A1:7
macroscopic description, A3:25–26; A4:13–15; A5:12–13; A6:16; A7:7
magnetic fabric, B5:1–21
magnetic properties, B5:20
magnetostratigraphy, A5:20; A6:22
petrography, A3:26–28; A4:13–15; A5:13–14; A6:16–17; A7:7–8
photograph, A3:65, 77, 80; A5:40, 75–76, 82; A7:45
photomicrograph, A1:54; A3:103–107; A7:39–40
physical properties, B7:7–8
remanent magnetization, A3:35; A7:10–11
vs. age, A1:38
See also Kroenke-type basalt; Kwaimbaita-type basalt; limestone/basalt contact; pillow basalt; sediment/basement contact; Singgalo-type basalt; tholeiite
basalt, altered, photograph, A5:49
basalt, altered aphyric, photomicrograph, A4:63
basalt, aphanitic, photograph, A5:46–47
basalt, aphanitic pillow margin, photograph, A1:63
basalt, fine-grained
photograph, A5:41, 50–51
photomicrograph, A5:85
basalt, glassy pillow margin, vs. depth, A1:44
basalt, gray
low-temperature alteration, B6:3–4
photograph, A3:116
photomicrograph, A3:112–115, 119
basalt, green
photograph, A5:84
photomicrograph, A5:83
basalt, Kwaimbaita-type, geochemistry, A1:28–30
basalt, massive
basement units vs. depth, A1:61
Formation Microscanner imagery, A6:93–96
magnetic inclination histograms, B5:16
photograph, A5:45
vs. depth, A1:68, 71
basalt, normal gray, low-temperature alteration, A6:19
basalt, olivine phyric
petrography, A5:13–14; A6:16–17
photomicrograph, A3:89, 95
basalt, olivine–plagioclase phyric, petrography, A5:13–14
basalt, Singgalo-type, geochemistry, A1:28–30
basalt, tholeiitic
Eocene, A1:29
lithologic units, A1:12
basalt flows
Formation Microscanner imagery, A6:28–29
lithologic units, A5:6; A7:4
lower Aptian, A6:9
photograph, A6:59
See also lava flows
basalt margin, chilled, photograph, A5:46–47
basalt textures, vs. depth, A6:63
basalt units, vs. depth, A3:79
basement
age, A1:27–28; A3:23–24; A6:14
alteration, A4:19; A7:9
Aptian, A1:27; A6:14
biostratigraphy, B1:4–5
Cretaceous, A1:6–7
drilling summary, B7:21
Formation Microscanner imagery, A6:28, 91–96
lava flows, A1:8–9
lithologic units, A3:11–12, 79; A5:6; A7:4
lower Aptian, A6:9
Ontong Java Plateau, A1:1–75
physical properties, B7:1–33
thickness, B1:4
See also igneous basement; sediment/basement contact
basement, basaltic, lithologic units, A1:12
basement recovery, vs. depth, A5:95–96
Basement Unit 1
lithologic units, A1:22
photograph, A1:63
Basement Unit 2, lithologic units, A1:22
Basement Unit 3, lithologic units, A1:22
Basement Unit 4, lithologic units, A1:22
basement units
boundaries and thickness, A3:158; A7:57
vs. depth, A1:61, 68, 71; A5:43; A6:62–63, 65; A7:24
bathymetry, maps, A1:36; A3:44; A4:29; A5:28; A6:32; A7:15; B1:14; B5:13; B7:12
bedding. See chaotic bedding; contorted bedding; deformed bedding; inclined bedding
bedding planes, structure, A3:32
biostratigraphic datums, nannofossils, B2:13; B3:5
biostratigraphy
basement, B1:4–5
Cenozoic, A6:12–13
paleoenvironment, A3:24–25
Site 1183, A3:21–25
Site 1184, A4:11–13
Site 1185, A5:7–11
Site 1186, A6:12–15
Site 1187, A7:5–6
vs. depth, A3:133
bioturbation
Aptian–Albian interval, A3:13–14
deposition, A6:11–12
lithologic units, A3:5; A6:7–8
oxygenation, A3:12–13
photograph, A3:62; A6:46, 52, 55, 58
photomicrograph, A6:51
sedimentation, A6:11
blebs, petrography, A3:27
block faults, emplacement, A1:4–6
boron
sediments, B4:1–6
vs. depth, B4:5
botryoidal texture, photomicrograph, A5:92
breccia
brown halos, A6:18
lithologic units, A6:8
photograph, A5:82; A6:58
photomicrograph, A6:61
See also limestone breccia
breccia, hyaloclastite, photograph, A3:78
breccia, recrystallized limestone, lower Aptian, A6:9
burrows
Cretaceous/Paleogene boundary, A3:16–17
Danian, A3:16–17
lithologic units, A3:5–9; A6:8; A7:4
photograph, A3:55; A5:38–39; A6:55
sedimentation, A6:9–10

C

calcite
alteration, A3:31; A4:17; A7:9
basalt, A4:14; A5:12–13
dusky green halos, A6:18
fissure fillings, B6:5–6
hydrothermal alteration, A1:19–21; A3:31–32
lithologic units, A1:12
low-temperature alteration, B6:4–5
photograph, A3:78, 116; A7:41
photomicrograph, A3:68, 114, 123–129; A5:90–93; A6:76–77, 79; A7:42
replacement, A3:26–28
sediments, A5:111; A6:104
veins, A5:17; A6:19
vs. depth, A3:122
calcite, micritic
alteration, A6:19
photomicrograph, A5:42
calcite, sparry, photomicrograph, A5:79
calcite, white, photograph, A5:75
calcite cement, photomicrograph, A4:98
calcite microspar, photomicrograph, A6:60
calcite spherules, photomicrograph, A6:80
calcite veins
photograph, A5:76; A7:45
photomicrograph, A5:92–93; A6:79
calcium, sediments, B4:1–6
caliper logs, vs. depth, A1:65–66; A6:39–40, 88, 90
Campanian
carbonate compensation depth, A3:16
lithologic units, A3:9–10
paleoenvironment, A3:24–25
photograph, A6:50
sedimentation, A6:10
See also Cenomanian–Campanian interval; Santonian/Campanian boundary; Santonian–Campanian facies
Campanian, lower, biostratigraphy, A3:22; A6:13
Campanian, middle, biostratigraphy, A3:23
Campanian, upper
lithologic units, A6:6–8
paleoenvironment, A6:14
photomicrograph, A6:49
strontium isotopes, B3:4
Campanian/Maastrichtian boundary
biostratigraphy, A3:23; A6:13–14
magnetostratigraphy, A6:21
unconformities, A6:12
Campanian–Maastrichtian interval
magnetostratigraphy, A6:21
paleoclimatology, B2:1–15
strontium isotopes, B3:5, 7
well-logging, A6:27
Campanian–Paleocene interval, sedimentation, A6:11
carbon, inorganic, sediments, A3:150–151; A4:116; A5:111; A6:104
carbon dioxide
magma, B1:6
vs. water content, B1:18
carbon isotopes
bulk samples, B2:14–15
carbonates, B1:4
diagenesis, B2:1–15
excursions, B2:6
vs. age, B2:12
vs. depth, B2:11
carbonate compensation depth
Aptian–Maastrichtian interval, A3:14–16
deposition, A3:12; A6:12
Eocene, A5:6–7
foraminifers, A5:10
lava flows, A1:9, 14
lower Miocene, A4:10–11
models, A3:70
sedimentation, A7:4–5
unconformities, A1:18
carbonate content
lithologic units, A3:10–11; A4:4–5; A6:7–8
sediments, A3:150–151; A4:116; A5:111; A6:104
vs. depth, A1:43, 60, 65–66; A3:49; A5:35; A6:39–40
carbonates
boron, sediments, B4:3
recrystallization, B3:4–7
sedimentation, A6:11
cavities
alteration, A3:29–32; A7:9
low-temperature alteration, B6:3–4
photomicrograph, A6:80
cavities, miarolitic
alteration, A3:29–32; A7:9
basalt, A5:13
brown halos, A6:18
halos, B6:4–5
lithologic units, A1:25
low-temperature alteration, B6:3–4
photograph, A3:128–129; A5:79; A7:41
photomicrograph, A5:86–87; A6:80; A7:42–43
celadonite
alteration, A3:29–32; A4:17–18; A7:9
dusky green halos, A6:18
halos, A4:19
hydrothermal alteration, A1:20–21, 26; A3:31–32
lithologic units, A1:12
low-temperature alteration, B6:3–4
Lower Alteration Zone, A5:16–17
photograph, A5:84
photomicrograph, A3:90, 118–121, 125–126, 129; A4:91–94, 98; A5:83, 87–88; A6:64, 76–79
veins, A5:17; A6:19
vs. depth, A3:122
See also veins
celadonite spheres, photomicrograph, A4:94
cement, alteration, A4:18
Cenomanian
lithologic units, A1:18–21
volcanic ash, A1:6
Cenomanian, upper
nannofossils, A5:8
paleomagnetic units, A5:21, 119
Cenomanian–Campanian interval, hiatuses, A3:12
Cenozoic, biostratigraphy, A3:22; A6:12–13
chabazite
photomicrograph, A5:91
veins, A5:17
chalcedony
cement, A4:18
low-temperature alteration, B6:6
photograph, A3:116
photomicrograph, A3:123–127, 129; A6:80
veins, A6:19
vs. depth, A3:122
chalk
diagenesis, A3:19–20
lithologic units, A1:15; A7:3–4
lower Miocene, A1:15
Miocene, A1:13
Oligocene–Miocene interval, A3:18
photograph, A3:56; A5:39; A6:55
photomicrograph, A6:41, 47
sedimentation, A6:10; A7:4–5
See also nodular chalk texture; ooze-to-chalk transition
chalk, bioturbated, photograph, A3:50, 52, 72; A5:36
chalk, clayey
lithologic units, A6:7–8
photograph, A6:50
chalk, foraminifer, photomicrograph, A3:75
chalk, foraminifer nannofossil
lithologic units, A3:5–7
photograph, A6:48
chalk, nannofossil
lithologic units, A5:5–6; A6:6–8
photomicrograph, A6:49
chalk, nannofossil foraminifer
lithologic units, A1:11
photomicrograph, A3:51
chalk, radiolarian nannofossil
lithologic units, A5:5–6
photomicrograph, A5:37
chalk, silicified, photograph, A6:42–43
chalk, zeolitic
lithologic units, A3:7–9; A6:5–6
photograph, A6:46
sedimentation, A6:11
chalk nodules
limestone, A3:21
photograph, A6:46
chaotic bedding, lithologic units, A4:8
chert
deposition, A3:13
Eocene, A3:17–18
Formation Microscanner imagery, A6:44–45
lithologic units, A3:7–8, 11; A6:5–6
photograph, A3:53; A6:42–43, 52, 57
sedimentation, A6:10
well-logging, A6:27
chert bands, sedimentation, A6:11
chert nodules, photograph, A3:58
chertification
diagenesis, A6:11
limestone, A3:20
lithologic units, A3:8
photograph, A3:71, 73, 76
Tertiary, A3:18, 20
Chondrites, lithologic units, A3:10–11
chromaticity, vs. depth, A1:52; A4:40
chrome spinel
hydrothermal alteration, A1:19–21
petrography, A5:13–14
photomicrograph, A1:62; A5:53, 56, 59–60, 63, 66–67; A7:31
chromium
basalt, A6:17; A7:8
tholeiitic basalt, A5:15
vs. titanium oxide, A1:48; A4:17, 86; A5:72; A6:74; A7:35
Chron C12n, magnetostratigraphy, A3:34
Chron C12r, magnetostratigraphy, A3:34
Chron C15n–C15r, magnetostratigraphy, A5:19
Chron C16r, magnetostratigraphy, A5:19
Chron C17n.1n, magnetostratigraphy, A5:19
Chron C17n.2n, magnetostratigraphy, A5:19–20
Chron C17n.3n, magnetostratigraphy, A5:19
Chron C18n.2n, magnetostratigraphy, A5:19
Chron C18r, magnetostratigraphy, A5:20
Chron C19r, magnetostratigraphy, A5:20
Chron C30r, magnetostratigraphy, A6:21
Chron C31r, magnetostratigraphy, A6:21
Chron C32n.1n, magnetostratigraphy, A6:21
Chron C32r.1r, magnetostratigraphy, A6:21
Chron C32r.2r, magnetostratigraphy, A6:21
Chron C33r, magnetostratigraphy, A6:21
chrons, basalt and sediments, A6:112
clasts
age, B1:7
alteration, A4:17–18
lithologic units, A3:10; A4:5–8
low-temperature alteration, B6:5
lower Aptian, A6:9
photograph, A6:59–60
photomicrograph, A4:57; A6:60
vs. depth, A4:48
See also limestone clasts
clasts, angular, photograph, A1:56
clasts, basaltic
petrography, A4:14–15
photograph, A4:58, 64–67
clasts, diabase
alteration, A4:17–18
photomicrograph, A4:68–69
clasts, glassy
lithologic units, A7:4
photomicrograph, A4:78
volcaniclastics, B1:7
clasts, highly vesicular basalt, photomicrograph, A4:63
clasts, lithic
alteration, A4:17–18
basalt, A4:13–15
eruptions, A4:16
clasts, lithic vitric, photomicrograph, A1:54
clasts, lithic/all clasts ratio, vs. depth, A4:48
clasts, plagioclase–clinopyroxene–phyric glass, photomicrograph, A4:79
clasts, nonvesicular basalt, photomicrograph, A4:57
clasts, red lithic
deposition, A4:10
vs. depth, A4:48
clasts, rip-up
eruptions, A4:16
photograph, A4:46, 62
clasts, sparsely vesicular basalt, photomicrograph, A4:57
clasts, tachylitic
alteration, A4:17–18
deposition, A4:10
eruptions, A4:16
photomicrograph, A4:57
clasts, vitric shards, photomicrograph, A4:57, 76–77
clay
limestone, A3:20–21
photograph, A6:55, 58
clay, ferruginous calcareous, deposition, A3:12
clay, green
basalt, A5:12–13
photomicrograph, A3:87–90, 95–97
clay minerals
alteration, A3:29–32
low-temperature alteration, B6:3–4
clay seams, limestone, A3:21
claystone
lithologic units, A1:24–26; A6:8; A7:3–4
photograph, A6:50
sedimentation, A6:9–10; A7:4–5
claystone, burrow-mottled, photograph, A7:22
claystone, calcareous
lithologic units, A3:10–11
photograph, A3:63, 67
photomicrograph, A3:68–69
claystone, dark, photograph, A3:61
claystone, ferruginous, photograph, A6:58
claystone, ferruginous laminated, deposition, A6:12
claystone, ferruginous nannofossil, Aptian/Albian boundary, A3:13–14
claystone, laminated, photograph, A7:23
claystone, volcaniclastic, limestone, A3:21
clinopyroxene
alteration, A3:29–32
geochemistry, A3:28–29
petrography, A3:27
photomicrograph, A3:93–94, 103–106; A4:65–66, 68, 78; A6:66, 68–69, 71; A7:30, 32, 39
clinopyroxene, acicular, Upper Alteration Zone, A5:16
clinopyroxene crystals
basalt, A4:13–15
petrography, A5:14
photomicrograph, A1:49, 69; A3:100; A4:61; A5:68–69, 77, 88
clinopyroxene groundmass, basalt, A5:13
clinopyroxene phenocrysts
basalt, A6:16–17
geochemistry, A3:28–29
petrography, A5:13–14
photomicrograph, A3:94; A5:57, 62, 68–69
vs. depth, A6:65
cobbles, recrystallized limestone, photograph, A3:77
color, basement rocks vs. depth, A3:111
color bands
diagenesis, A3:19–20
lithologic units, A3:5; A4:5
photograph, A3:59; A5:38; A6:48
color laminae, photograph, A3:50, 72
color staining
diagenesis, A6:11
limestone, A3:21
color staining, blue–gray, photograph, A3:55
compaction, sediments, A3:18–21
compressional wave velocity
anisotropy, A3:165–168
basement basalt, B7:22–28
sediment/basalt interface, B7:4
sediments and basalt, A3:37, 165–168; A4:25, 126–130; A5:24, 122–123; A6:25, 114–115; A7:12–13, 64–65
vs. density, B7:6–7, 17
vs. depth, A6:88, 90
vs. magnetic susceptibility, B7:18
vs. porosity, B7:6–7, 17
condensed columns, deposition, A6:12
conglomerate, granule-pebble, photomicrograph, A6:60
conglomerate, limestone, photograph, A1:67; A6:59
conglomerate, lower Aptian, A6:9
conglomerate, volcaniclastic, nannofossil biostratigraphy, A3:12
Coniacian
biostratigraphy, A6:13
limestone, A1:11
paleoenvironment, A3:24–25
photograph, A6:50
volcanic ash, A1:6
See also Albian/Coniacian boundary; Santonian–Coniacian facies; Santonian–Coniacian interval
Coniacian, upper
biostratigraphy, A3:22
lithologic units, A6:6–8
photomicrograph, A6:51
contorted bedding, photograph, A5:39
cooling, Maastrichtian, B2:1–15
cooling rates, petrography, A3:26–28
cooling unit size, vs. depth, A1:71; A7:24
correlation
corrected water-depth stratigraphy, A1:73
stratigraphy, A1:72
Cretaceous
biostratigraphy, A3:23; A6:13–14
igneous basement, A1:6–7
lithologic units, A5:6
photograph, A5:40–42
photomicrograph, A5:42
sedimentation, A6:9–10
strontium isotopes, B3:1–19
Cretaceous, Lower
Apparent Polar Wander Path, Pacific Plate, B5:8
igneous plateaus, B1:7
magnetic intensity, B1:3–4
Cretaceous/Paleogene boundary
biostratigraphy, A3:22–23; A6:13
hiatuses, A3:16–17
lithologic units, A1:13
magnetostratigraphy, A3:34
photograph, A3:57
sedimentation, A3:16–17
Cretaceous/Paleogene event, sedimentation, A3:16–17
Cretaceous/Paleocene unconformity, strontium isotopes, B3:7
Cretaceous/Tertiary boundary
carbon isotopes, B2:6
impact hypothesis, B2:6
melting, B1:9
paleoclimatology, B2:3–6
sedimentation, A3:16–17
Cretaceous–Paleogene interval, paleoenvironment, A6:14–15
Cretaceous–Pliocene interval, pelagic sediments, B1:4
Cretaceous Normal Superchron
magnetostratigraphy, A6:22
remanent magnetization, A7:10
crust, oceanic, low-temperature alteration, B6:1–8
crust, upper, low-temperature alteration, B6:1–8
crustal thickness, volcanic oceanic plateaus, A1:4
cryptocrystalline texture, basalt, A7:7–8
cyclic processes, Oligocene–Miocene interval, A3:18

D

Danian
biostratigraphy, A3:22–23
burrows, A3:16–17
Danian, lower
lithologic units, A3:9–11
photomicrograph, A3:54
Danian, middle, lithologic units, A1:22–24
dark spots, diagenesis, A3:19–20
debris flows
deposition, A4:9–10
paleoenvironment, A6:14–15
decompression, mantle, B1:5–7
deep resistivity logs, vs. depth, A6:88, 90
deformation
Pliocene, A1:6
See also soft sediment deformation
deformed bedding, photograph, A4:51
demagnetization, alternating-field
overprinting, A6:84
rocks, A7:10
sediments, A5:18–22; A6:20–23
vs. depth, A4:100–101
demagnetization, paleomagnetism, A4:21–23
density
basalt, B7:4–5
rocks, A3:162–164; A4:122–125; A5:121; A6:113; A7:63
vs. compressional wave velocity, B7:6–7, 17
water content, B7:29
density, bulk, vs. depth, A3:137; A4:104; A5:22–23, 101–102; A6:23–24, 85; A7:49, 51; B7:13–16
density, gamma-ray attenuation bulk, vs. depth, A3:36–37, 138; A4:25, 106; A5:23, 103–104; A6:24–25, 86; A7:12, 50
density, grain
vs. depth, A3:137; A4:104; A5:22–23, 101–102; A6:23–24, 85; A7:11–12, 49; B7:13–16
vs. magnetic susceptibility, B7:19
vs. thermal conductivity, B7:20
density logs, vs. depth, A6:88, 90
deposition
oxygenation, A3:12–13
paleobathymetry, A4:9–10
deposition, pelagic, lower Miocene, A4:10–11
devitrified patches, photomicrograph, A1:49; A3:101–102, 105
diabase, photograph, A1:56
diagenesis
lithologic units, A3:5
Maastrichtian, B2:1–15
ooze-to-chalk transition, A3:19
oxygen isotopes, B2:5
photograph, A3:74
strontium isotopes, B3:4–7
See also alteration; chertification; color staining; dissolution; lithification; ooze-to-chalk transition; recrystallization; reprecipitation; silicification
diagenesis, postburial
sedimentation, A6:11
sediments, A3:18–21
diagenetic features, photograph, A3:71, 76
diatoms, paleoclimatology, A3:17–18
dip
inclined bedding, A4:8
intravolcaniclastic seismic reflections, A4:23–24
remanent magnetization, B5:6–7
sedimentary features, A4:23–24
structure, A5:18
vs. depth, A4:53
dip, true
structure, A5:18
vs. depth, A3:130; A5:95–96
dip inclination, structure, A5:18
dissolution
diagenesis, A6:11
photomicrograph, A3:75
sediments, A3:18–21
downhole measurements, Site 1186, A6:25–29

E

East Mariana Basin
volcanic oceanic plateaus, A1:4–6
volcaniclastics, B1:8
elements, primitive mantle-normalized incompatible, concentration in mantle, B1:17
Ellice Basin, volcanic oceanic plateaus, A1:4–6
emplacement
age, A1:4–9
models, A1:7–9
Eocene
carbonate compensation depth, A5:6–7
chert, A3:17–18
lithologic units, A3:7–8
nannofossils, B1:7
paleoclimatology, A3:17–18
paleoenvironment, A5:9, 11; A6:14–15
paleomagnetism, A4:23
photograph, A3:73; A5:36, 38–39; A6:42–43, 48
photomicrograph, A5:37
tholeiitic basalt, A1:29
volcanism, A1:29
See also Paleocene–Eocene interval
Eocene, lower–middle, biostratigraphy, A6:12–13
Eocene, middle
biostratigraphy, A3:22
chert, A3:13
hiatuses, A4:11
hydroclastic volcanism, A4:9–11
lithologic units, A4:5–8
nannofossils, A1:17
photograph, A3:53
planktonic foraminifers, A5:8
volcaniclastics, A1:17; A4:17
Eocene, middle–upper
hiatuses, A5:10
lithologic units, A5:5–6
unconformities, A1:18, 20
Eocene, upper
magnetostratigraphy, A3:34
paleoenvironment, A5:9
Eocene/Oligocene boundary, biostratigraphy, A3:22
eruptions
environment, A1:29–30
environment and style, A1:8–9
igneous provinces, B5:9–10
volcaniclastics, A1:57
volcanism, A4:15–16
See also hydroclastic eruptions
eruptions, hydroclastic
lithologic units, A1:12, 16
volcaniclastics, A4:16–17
eruptions, phreatomagmatic, igneous plateaus, B1:7
extension, volcanism, A1:7

F

F-factor, remanent magnetization, B5:7–9
faults. See block faults
ferromanganese crusts
deposition, A4:11
photograph, A4:42
"fibril-like" features, photomicrograph, A4:97
fibroradial texture, photomicrograph, A5:77
fish debris, Aptian, A3:14
fish debris, phosphatic, photomicrograph, A3:69
fissure fillings
alteration, A5:17
hydrothermal alteration, A3:31–32
low-temperature alteration, B6:5–6
photograph, A5:41, 46
photomicrograph, A6:61
structure, A5:18
veins, A4:18
flaser texture
limestone, A3:20–21
photograph, A3:74
fluid expulsion, sediments, B4:2
foliation, vs. lineation, B5:15
foraminifers
biostratigraphy, B1:4–5
carbonate compensation depth, A5:10
lithologic units, A3:5, 8
lysocline, A3:23; A5:6–7, 10; A6:12, 14–15
photograph, A3:63, 67
photomicrograph, A3:54, 60, 75; A6:41, 47, 49, 54
sedimentation, A6:10–11
zonation, A4:55
foraminifers, altered, photomicrograph, A5:42
foraminifers, benthic
biostratigraphy, A7:5–6
middle–upper Eocene range chart, A5:113
paleoenvironment, A4:13; A5:9–11; A6:14–15; A7:6
foraminifers, planktonic
Aptian, A3:14
biostratigraphy, A3:21–25; A5:8–11; A7:5–6
Cenozoic lowest and highest occurrences, A3:154–155; A6:106
Cretaceous lowest and highest occurrences, A3:156; A6:107
lower Miocene biostratigraphy, A4:11–12
lowest and highest occurrences, A4:118
lowest and highest occurrences in Unit I, A5:112
occurrence, A7:56
Formation Microscanner imagery
microresistivity, A6:44–45, 56
vs. depth, A6:44–45, 56, 89, 91–96
fractional crystallization, magma, B1:6
fracture density
structure, A5:18
vs. depth, A3:130; A5:95–96
fracture zones, oceanic plateaus, A1:4–6
fractures, veins, A4:18

G

gadolinium, sediments, B4:1–6
gamma rays
vs. depth, A3:37, 138; A4:25, 106; A5:24, 103–104; A6:25, 39–40, 86; A7:12, 50
See also density, gamma-ray attenuation bulk
gamma-ray logs, vs. depth, A1:65–66; A6:88, 90
geochemistry
basalt, A6:17; A7:8
comparison with other Ontong Java Plateau basalts, A3:28–29
igneous rocks, A1:28–30; A6:108; A7:58
magmatism, B1:5–7
whole rocks, A3:159; A4:120
glass inclusions
basalt, A4:14–15
photomicrograph, A4:60–61
glass inclusions, devitrified, photomicrograph, A3:91
glass shards
alteration, A3:31
basalt, A4:13–15
composition, A1:17
eruptions, A4:15–16
lithologic units, A1:16; A3:7
low-temperature alteration, B6:5
photograph, A6:59
photomicrograph, A1:54, 58; A4:57, 74; A6:60
glass shards, basaltic, alteration, A4:17–18
glassy rinds, basalt, A3:26
glauconite
photograph, A6:59
sediments, A6:104
glomerocrysts
basalt, A4:14; A5:12–13
geochemistry, A3:28–29
photomicrograph, A3:87, 92, 105, 107; A7:29
plagioclase, A3:27
glomerocrysts, clinopyroxene–plagioclase
petrography, A3:27
photomicrograph, A3:105, 107
glomerophyric texture, photomicrograph, A3:98
gmelinite
photomicrograph, A5:91
veins, A5:17
goethite
alteration, A7:9
Aptian, A3:13–14
photograph, A3:63; A7:41
photomicrograph, A3:120–121, 125–126, 129; A5:86; A6:76
sediments, A6:104
See also veins
grain size, macroscopic description, A5:12–14; A6:16
grain-size banding, petrography, A3:27
gravity field, free-air, maps, A1:37; A3:45; A4:30; A5:29; A6:33; A7:16
gravity flows, deposition, A4:9–10
gravity surveys, location, A3:46; A4:31; A5:30; A6:34; A7:17
groundmass
basalt, A7:7–8
petrography, A3:27
photomicrograph, A3:94; A5:80
groundmass, cryptocrystalline, photomicrograph, A5:63
groundmass, dendritic, photomicrograph, A5:61, 65
groundmass, fine-grained, photomicrograph, A5:68
groundmass, subvariolitic, photomicrograph, A5:77
groundmass, volcanic glass, lithologic units, A1:12; A5:83, 85

H

hafnium, basalt, B1:5
halmyrolysis
brown halos, A6:18
halos, B6:5
low-temperature alteration, A3:30
halos
alteration, A3:29–32; A4:19
hydrothermal alteration, A1:20–21
lithologic units, A1:16
low-temperature alteration, A6:18
photomicrograph, A5:86
halos, black
alteration, A7:9
lithologic units, A1:13
low-temperature alteration, A3:30
normal gray basalt, A6:19
photomicrograph, A3:115, 117–118
halos, brown
low-temperature alteration, B6:4–5, 18
photograph, A7:41
photomicrograph, A5:93; A6:79; A7:43
halos, dusky green
alteration, A7:9
low-temperature alteration, A6:18; B6:4
photomicrograph, A6:76–78
halos, green, low-temperature alteration, A6:18
halos, olive
low-temperature alteration, A3:30; B6:4–5
photograph, A5:84, 94
photomicrograph, A3:120
halos, yellow-brown, photomicrograph, A5:77, 79–80, 88
hardground, photograph, A3:61
hematite, alteration, A4:19
hiatuses
Aptian–Maastrichtian interval, A3:16
biostratigraphy, A6:12
Cenomanian–Campanian interval, A3:12
Cretaceous/Paleogene boundary, A3:16–17
middle Eocene–lower Miocene interval, A4:11
middle–upper Eocene, A5:10
paleolatitude, A5:21–22
paleomagnetic units, A5:21–22
Santonian/Campanian boundary, A3:23
sediments, A1:20; A3:9–11
See also unconformities
holocrystalline texture, basalt, A5:13–14
hotspots, igneous provinces, B1:3–4
hyaloclastite
alteration, A3:29–32; A6:19
brown halos, A6:18
fissure fillings, B6:6
low-temperature alteration, B6:5
lower Aptian, A6:9
photograph, A3:66; A5:75
photomicrograph, A6:60
See also breccia, hyaloclastite
hyaloclastite, altered, photograph, A5:49, 78
hyaloclastite, calcite-cemented, photograph, A5:44; A7:26
hyaloclastite interbeds, lithologic units, A1:25
hydroclastic eruptions, subaerial, Aptian, A3:13
hydrogen intensity
sediments, B4:1–6
vs. depth, B4:5
hydrothermal alteration
basalt, B7:8
eruptions, A1:30
lithologic units, A1:19–21, 25–26
sedimentation, A6:9–10
hydrothermal solutions, dusky green halos, A6:18
hyperoligotropic productivity, Aptian, A3:14

I

iddingsite, photomicrograph, A5:86
igneous basement, Cretaceous, A1:6–7
igneous petrology
Site 1183, A3:25–29
Site 1184, A4:13–17
Site 1185, A5:11–15
Site 1186, A6:15–17
Site 1187, A7:6–8
igneous provinces
eruptions, B5:9–10
magma production, B1:2
igneous rocks
geochemistry, A6:108; A7:58
petrology and geochemistry, A1:28–30
illite
boron, sediments, B4:3
sediments, A6:104
impact hypothesis, Cretaceous/Tertiary boundary, B2:6
impacts, melting, B1:9
inclined bedding
dip and direction, A4:8
orientation, A4:8, 53
photograph, A4:49
vs. depth, A4:38
inclined beds, lithologic units, A4:7–8
inclusions
basalt, A6:17
photomicrograph, A5:53, 56, 59–60, 63, 66–67; A6:70; A7:31
See also glass inclusions
incompatible element averages, mantle, A1:40
index properties
rocks, A3:36, 162–164; A4:24, 122–125; A5:22–23; A6:23–24, 113; A7:11–12, 63
vs. depth, A3:137; A4:104; A5:101–103; A6:85
intergranular texture
basalt, A7:7–8
petrography, A5:14
photomicrograph, A4:68; A6:69
intersertal texture
petrography, A3:27
photomicrograph, A3:96–97
intraclasts, photomicrograph, A6:61
intrafasciculate texture
basalt, A7:7–8
photomicrograph, A7:32
intrusions, alnoite, B1:4
inverse-graded beds, photograph, A4:45
iron oxyhydroxide
alteration, A5:16–17; A7:9
Aptian, A3:13–14
basalt, A5:12–13
brown halos, A6:18–19
fissure fillings, B6:5–6
halos, A4:19
hydrothermal alteration, A1:19–21, 26; A3:31–32
igneous provinces, B1:6
lithologic units, A1:12; A3:10–11
low-temperature alteration, A3:30; B6:4
macroscopic description, A7:7
photograph, A3:63; A5:47–48; A7:26–28
photomicrograph, A3:68; A5:77, 79–81; A6:54, 60, 79
sedimentation, A6:9–10
veins, A5:17; A6:19
vs. depth, A3:122
iron-manganese oxyhydroxide, limestone, A3:21
isotopes, basalt, B1:5

K

Koenigsberger ratio
basalt, A3:35, 161; A5:116–118; A6:109–110; A7:59–62
vs. depth, A5:99
Kroenke-type basalt
geochemistry, B1:5–9
primitive mantle-normalized incompatible elements, B1:17
Kwaimbaita Formation
basalt, A1:7, 12, 14
geochemistry, A3:28–29; B1:5–7
tholeiitic basalt, A5:15
Kwaimbaita-type basalt
geochemistry, B1:5–9
primitive mantle-normalized incompatible elements, B1:17

L

La Luna Formation, strontium isotopes, B3:10, 18
laminae, photograph, A3:63, 67
laminations
Aptian, A3:13–14
lithologic units, A4:6; A6:8
photograph, A7:23
lapilli, accretionary
basalt, A4:13–15
deposition, A4:9–10
eruptions, A4:16
photograph, A1:55; A4:41, 70–73
lapilli, armored, basalt, A4:13–15
lapilli, armored accretionary
photograph, A4:43, 58, 72–73
photomicrograph, A4:74
vs. depth, A4:48
lapilli tuff
lithologic units, A1:15–16; A4:5–8
photograph, A1:56; A4:58, 62, 71
vs. depth, A4:38, 46
lapilli tuff, lithic vitric
photograph, A4:44
photomicrograph, A4:74
lithologic units, A4:6–8
lapilli tuff, vitric lithic, lithologic units, A4:6–8
lapillistone
lithologic units, A1:15–16; A4:5–8
vs. depth, A4:38
lapillistone, tachylite-rich
photograph, A4:47
photomicrograph, A4:80
lapillistone, trachytic, lithologic units, A4:7
lapillistone, vitric lithic, lithologic units, A4:7
Las Henandez Section, strontium isotopes, B3:17
lava flows
basement, A1:8–9, 14, 27–28
igneous provinces, B1:6
lithologic units, A1:25
low-potassium tholeiite, A1:6–7
oceanic plateaus, A1:5–6
photograph, A1:67; A3:65
volcaniclastics, B1:7–8
See also basalt flows
lava flows, low-titanium high-magnesium, composition, A1:27–28
lava flows, massive, photomicrograph, A6:68
lava flows, massive basalt, lithologic units, A1:18–21
lead, basalt, B1:5
lead isotopes
vs. neodymium, B1:16
vs. neodymium isotopes, A1:41
vs. strontium isotopes, B1:16
Liesegang banding
alteration, A4:18
lithologic units, A3:5
photograph, A3:72
photomicrograph, A4:94
limestone
Aptian, A1:30
chertification, A3:20
Coniacian, A1:11
Formation Microscanner imagery, A6:44–45, 56, 89
lithologic units, A1:11; A3:7–11; A5:6; A6:6–8; A7:4
photograph, A1:67; A3:62; A5:40–42
photomicrograph, A6:41
well-logging, A6:27
woody texture, A3:20–21
See also breccia, recrystallized limestone; cobbles, recrystallized limestone; conglomerate, limestone
limestone, basal, Aptian, A3:13
limestone, bioturbated, photograph, A3:58, 64
limestone, bioturbated reddish, photograph, A3:61, 65
limestone, ferruginous micrite, lithologic units, A3:11–12
limestone, foraminifer, lithologic units, A3:8–9
limestone, foraminifer nannofossil
lithologic units, A6:5–6
photograph, A6:42–43
limestone, grayish brown, photograph, A6:52, 55, 57
limestone, micritic, lithologic units, A3:10–11
limestone, nannofossil
lithologic units, A6:6–8
photograph, A6:58
photomicrograph, A6:51, 54
limestone, nannofossil foraminifer, lithologic units, A3:6–8
limestone, pinkish, photograph, A3:71–73
limestone, radiolarian nannofossil clayey, photomicrograph, A6:53
limestone, recrystallized
lithologic units, A1:25; A7:4
photograph, A7:25
photomicrograph, A6:61
limestone, recrystallized foraminifer-bearing, photograph, A3:66
limestone, silicified, photograph, A6:57
limestone, silicified recrystallized, paleoenvironment, A6:14–15
limestone, white, photograph, A3:53, 55–56, 59, 61
limestone, zeolitic, Paleocene, A3:16–17
limestone breccia, photomicrograph, A6:61
limestone clasts, photograph, A6:59
limestone interbeds
geochemistry, A3:28–29
lithologic units, A3:11–12
limestone nodules, diagenesis, A3:20–21
limestone pebbles, photograph, A6:59
limestone/basalt contact, planktonic foraminifers, A5:8
lineation
magnetic fabric, B5:4
vs. foliation, B5:15
lithification
paleotemperature, B2:5
sediments, A3:18–21
lithofacies
characteristics, A4:117; A5:110
depth intervals, A3:149; A5:110
lithologic units, A4:5–8; A6:7–8
photograph, A5:36, 38–39
volcaniclastics, A1:75
vs. depth, A1:52
lithologic units
basalt, A1:19–21
basement, A3:79
depth intervals, A3:149; A6:103
principal results, A1:11–14, 21–26
Site 1183, A3:4–12
Site 1184, A4:4–8
Site 1185, A5:5–6
Site 1186, A6:4–9
Site 1187, A7:3–4
thickness and criteria, A5:114
Unit I, A3:5–7; A4:4–5
Unit II, A3:7–9; A4:5–8; A5:5–6; A6:4–6
Unit III, A3:9–11; A6:6–8; A7:3–4
volcaniclastics, A1:15–17
vs. depth, A1:43, 52, 60, 65–66; A3:49; A4:38; A5:43
lithology, vs. depth, A1:52; A5:35; A6:39–40; A7:21
lithosphere
decompression, B1:5–7
thinning, B1:5–7
lithostratigraphy
Site 1183, A3:4–21
Site 1184, A4:4–11
Site 1185, A5:5–7
Site 1186, A6:4–12
Site 1187, A7:3–5
loss on ignition
basalt, A3:28–29; A4:15; A6:17; B7:7–8
basement basalt, B7:22–28
Louisville hotspot
basalt, A1:29
igneous provinces, B1:3–4
Lower Alteration Zone, pillow margins, A5:16–17
Lyra Basin, volcanic oceanic plateaus, A1:4–6
lysocline, foraminifers, A3:23; A5:6–7, 10; A6:12, 14–15

M

Maastrichtian
carbonate compensation depth, A3:16
cooling, B1:4
lithologic units, A3:9; A6:6–8
paleoclimatology, B2:1–15
paleoenvironment, A3:24–25; A6:14
photograph, A3:58; A6:48
strontium isotopes, B3:4
See also Aptian–Maastrichtian interval; Campanian/Maastrichtian boundary; Campanian–Maastrichtian interval
Maastrichtian, lower, photograph, A3:59–60
Maastrichtian, upper
biostratigraphy, A3:23
magnetostratigraphy, A6:21
photomicrograph, A6:47
Maastrichtian, uppermost, lithologic units, A1:22–24
Maastrichtian–Pleistocene interval, sedimentation, A3:12–18
maghemite
photomicrograph, A4:59
rock magnetism, A4:20–21
magma, fractional crystallization, B1:6
magma flows, remanent magnetization, B5:8
magma production, igneous provinces, B1:2
magmatism
age, B1:4–5
lower Aptian, B1:4
range and diversity, A1:8
magnesium, basalt, A1:28–30
magnesium number
basalt, A6:17; A7:8
tholeiitic basalt, A5:15
vs. titanium oxide, A1:46; A3:110; A4:16, 85; A5:73; A6:75; A7:37
magnesium oxide
basalt, A6:17; A7:8; B1:5
tholeiitic basalt, A5:15
magnetic azimuth
basalt, B5:5–6
See also preferred magnetic azimuth
magnetic declination, vs. depth, A3:134, 136
magnetic fabric, basalt, B5:1–21
magnetic inclination
basalt, B5:5
basalt and sediments, A6:112
histograms, B5:16
paleolatitude, A1:50; A6:23
paleomagnetic units, A5:120; A7:11
paleomagnetism, A4:22–23
sediment transport, A4:23–24
vs. depth, A3:134, 136; A4:101–102; A5:100; A6:83, 86–87; A7:47–48
magnetic intensity
basalt, A3:35; A5:116–118; A7:59–62
Lower Cretaceous magnetic field, B1:3–4
remanent magnetization, A3:160; A7:10–11
rock magnetism, A4:20–21
sediments, A3:33; A6:20
vs. depth, A3:136; A4:100–101; A5:99; A7:48
magnetic minerals
alteration, A4:19
rock magnetism, A4:20–21
magnetic orientation
igneous provinces, B1:3–4
vs. sedimentary features, A4:23–24
magnetic polarity
magnetostratigraphy, A3:33–34; A5:19; A6:21–22
vs. depth, A3:133; A5:98; A6:82; A7:47
magnetic pole, Apparent Polar Wander Path, B5:8
magnetic properties
basalt, B5:20
pillow basalt, B5:18
magnetic reversals, magnetostratigraphy, A3:34
magnetic susceptibility
anisotropy, B5:17
basalt, B7:5, 30–32
igneous provinces, B5:9–10
rock magnetism, A4:21
rocks, A3:33, 36, 160; A4:24–25; A5:23, 116–118; A6:20–24, 09–110; A7:12, 59–62; B7:14–15
vs. compressional wave velocity, B7:18
vs. depth, A1:43, 65–66; A3:49, 132, 136, 138; A4:38–39, 100, 105–106; A5:99, 103–104; A6:39–40, 83, 86–87; A7:50; B7:13, 16
vs. grain density, B7:19
See also anisotropy
magnetite
alteration, A4:19
rock magnetism, A4:20–21
magnetization, induced, vs. natural remanent magnetization, B5:14
magnetostratigraphy
basalt, A5:20; A6:22
magnetic polarity, A3:33–34
paleomagnetic units, A5:21, 119
sediments, A5:19–20; A6:20–22
vs. depth, A6:82
major elements
basalt, A6:17; A7:8, 58; B1:5–7
glassy clasts, B1:7
igneous rocks, A6:108
tholeiitic basalt, A5:14–15
whole rocks, A3:159; A4:120
Malaita
lava flows, A1:28–30
magma production, B1:2
volcanic oceanic plateaus, A1:4–6
Malaita Anticlinorium, volcanic oceanic plateaus, A1:4–6
Malaita Volcanic Group
basement, B1:4
geochemistry, B1:5–7
manganese oxyhydroxide, photomicrograph, A5:91–92
Manihiki Plateau
carbonates, B1:4
Cretaceous/Tertiary boundary, B2:6
mantle
decompression, B1:5–7
depletion, B1:8
incompatible element averages, A1:40
plumes, B1:8–9
sulfides, B1:6
mantle, upper, evolution, B1:2
mantle melting, volcanism, A1:7
Maramasike Formation
alkalic composition, A1:17
lava flows, A1:28
marcasite
alteration, A7:9
low-temperature alteration, B6:4
veins, A6:19
mass accumulation rates, biogenic silica, A3:17–18
Massive Flow Unit 2, photomicrograph, A1:69
median destructive field
basalt, A3:161; A5:116–118; A6:22, 109–110; A7:59–62
remanent magnetization, A7:10–11
rock magnetism, A5:20
vs. depth, A5:99; A6:63, 83, 86–87; A7:48
medium resistivity logs, vs. depth, A1:65–66; A6:39–40, 88, 90
megacrysts, plagioclase, A1:12
Melanesian arc, sediment source, A3:13
melting, submarine emplacement, B1:9
mesostasis, igneous provinces, B1:6
miarolitic texture. See cavities, miarolitic
micrite
lithologic units, A3:8
photomicrograph, A3:54, 60
See also calcite, micritic
microfacies, photomicrograph, A6:51, 53–54, 60
microfacies texture, photomicrograph, A3:68–69
microflasers
limestone, A3:20–21
photograph, A3:56, 62; A6:46, 55
microlites, photomicrograph, A4:78, 81–82
microresistivity, Formation Microscanner imagery, A6:44–45, 56
microspar. See calcite microspar
microstylolites
limestone, A3:21
photograph, A3:74
photomicrograph, A3:51, 75; A6:47
Mid-Pacific Mountains, carbonate compensation depth, A3:15
middle slope environment, paleoenvironment, A4:13
Milankovitch cycles, Oligocene–Miocene interval, A3:18
Miocene
chalk, A1:13
deformation, A1:6
lithologic units, A3:5–7
paleomagnetism, A4:21–23
photograph, A3:50, 72
See also Oligocene–Miocene interval
Miocene, lower
age vs. depth, A3:56
calcareous ooze biostratigraphy, A4:11–12
chalk, A1:15
hiatuses, A4:11
lithologic units, A3:5–7; A4:4–5
pelagic deposition, A4:10–11
zonation, A4:55
Miocene, lower–middle, biostratigraphy, A3:21–25
Miocene, middle, lithologic units, A3:5–6
models, emplacement, A1:7–9
mordenite, veins, A4:18
mottling
diagenesis, A6:11
limestone, A3:21
lithologic units, A3:9–11; A7:4
photograph, A3:62; A6:52; A7:22
sediments, A3:18–21
mudflows, planktonic foraminifers, A5:10–11

N

nannofossil zonation, vs. depth, A5:98
nannofossils
biostratigraphic datums, B2:13; B3:5
biostratigraphy, B1:4–5
Eocene, B1:7
lithologic units, A3:5; A4:5–8
middle Eocene, A1:17
photograph, A3:63; A6:50
photomicrograph, A3:54
sedimentation, A6:10–11
vs. depth, A1:60; A5:35, 98
zonation, A4:55
nannofossils, calcareous
biostratigraphy, A3:21–25; A5:7–8, 10; A7:5
Cenozoic lowest and highest occurrences, A3:154–155; A6:106
Cretaceous lowest and highest occurrences, A3:156; A6:107
lower Miocene biostratigraphy, A4:11
lowest and highest occurrences, A4:118
lowest and highest occurrences in Unit I, A5:112
occurrence, A7:56
volcaniclastic biostratigraphy, A3:12
native copper
hydrothermal alteration, A3:31–32
vs. depth, A3:122
natrolite, veins, A4:18
Nauru Basin
volcanic oceanic plateaus, A1:4–6
volcaniclastics, B1:8
neodymium
basalt, B1:5
vs. lead isotopes, B1:16
neodymium isotopes
volcaniclastics, B1:8
vs. lead isotopes, A1:41
nickel
basalt, A7:8
vs. depth, A5:74
nodular chalk texture, photograph, A3:74
nodules
lithologic units, A6:7
See also chalk nodules; limestone nodules; nodular chalk texture
nontronite
alteration, A3:29–32; A5:16–17
Aptian, A3:13–14
hydrothermal alteration, A1:25–26; A3:31–32
lithologic units, A1:12
low-temperature alteration, B6:4
photograph, A3:63
photomicrograph, A3:119, 129; A5:88

O

ocean plateaus, origin, B1:8
Oceanic Anoxic Event 1a, age, B1:4–5
oceanic anoxic events
Albian, A3:14
Aptian, A3:14
Aptian/Albian boundary, A3:14
Aptian–Albian interval, A3:14
Oligocene
alnoite, B1:4
lithologic units, A3:5–7
photograph, A3:52
photomicrograph, A3:51
See also Eocene/Oligocene boundary
Oligocene, lower, magnetostratigraphy, A3:34
Oligocene, upper, biostratigraphy, A3:21–25
Oligocene–Miocene interval
chalk, A3:18
volcanic ash, A3:18
olivine
hydrothermal alteration, A1:19–21
photomicrograph, A1:62; A3:87–90, 92, 95, 97–98, 104, 112–114, 117–119; A7:31
vs. depth, A3:79
olivine, altered, photograph, A5:47–48
olivine, elongate, photomicrograph, A7:29
olivine crystals, photomicrograph, A5:80
olivine groundmass, basalt, A7:7–8
olivine microphenocrysts, low-temperature alteration, A3:30
olivine phenocrysts
alteration, A7:9
basalt, A6:17
Lower Alteration Zone, A5:16–17
macroscopic description, A5:12–14
petrography, A3:26–28
photograph, A5:47–48, 84
photomicrograph, A1:62; A5:53–58, 61, 63–65, 67–68, 77, 79–80, 83, 85, 88; A6:64, 71, 76–77; A7:30, 39, 44
vs. depth, A6:65
olivine pseudomorphs
geochemistry, A3:28–29
low-temperature alteration, A3:30; B6:3–4
Ontong Java Plateau
evolution, B1:3–4
geology, A1:1–75
origin, B1:1–18
ooze, calcareous
lithologic units, A1:15
lower Miocene biostratigraphy, A4:11–12
ooze, foraminifer nannofossil, lithologic units, A3:5
ooze, Miocene, A1:13
ooze, nannofossil foraminifer
lithologic units, A1:15; A4:4–5
vs. depth, A4:38
ooze-to-chalk transition, diagenesis, A3:19; A4:5
opal, sediments, A6:104
opal-A, chertification, A3:20
opal-CT, chertification, A3:20
organic carbon-rich layers, photograph, A4:50
orientation, paleomagnetism, A4:21–23
oscillatory zoning, photomicrograph, A5:55
oxidation, rock magnetism, A4:20–21
oxygen isotopes
bulk samples, B2:14–15
diagenesis, B2:1–15
sediments, B2:4
vs. age, B2:12
vs. depth, B2:11
oxygenation
deposition, A3:12–13; A6:11–12
igneous provinces, B1:6

P

Pacific Plate, paleolatitude, A3:34
Pacific Plate Euler pole, oceanic plateaus, A1:5–6
packstone, radiolarian, photomicrograph, A6:60
palagonitization, photomicrograph, A4:77
paleobathymetry
deposition, A4:9–10
middle Cretaceous–lower Paleogene, A3:157
paleoceanography, paleoclimatology, B2:4–6
Paleocene
lithologic units, A3:7
photograph, A3:55–56
zeolitic limestone, A3:16–17
See also Campanian–Paleocene interval; Cretaceous/Paleocene unconformity
Paleocene, lower/middle, biostratigraphy, A6:13
Paleocene, middle/upper, biostratigraphy, A6:12–13
Paleocene, upper, photomicrograph, A6:41
Paleocene–Eocene interval
Formation Microscanner imagery, A6:44–45
lithologic units, A6:5–6
magnetostratigraphy, A6:21
sedimentation, A6:11
well-logging, A6:27
paleoclimatology
Eocene, A3:17–18
Maastrichtian, B2:1–15
paleodepth
carbonate compensation depth, A3:16
lithologic units, A1:22–24
paleoenvironment
benthic foraminifers, A4:13; A5:9–11; A7:6
biostratigraphy, A3:24–25
Cretaceous–Paleogene interval, A6:14–15
eruptions, A1:29–30
Paleogene
paleoenvironment, A6:14–15
See also Cretaceous–Paleogene interval; Cretaceous/Paleogene boundary; Cretaceous/Paleogene event
paleolatitude
angular standard deviation, A5:22
basalt and sediments, A6:23, 112
hiatuses, A5:21–22
igneous provinces, B1:3–4
magnetic inclination, A6:23
paleomagnetic inclination, A1:50
paleomagnetic units, A5:21–22, 120; A6:23
sediments, A3:34; A5:20
vs. biostratigraphic age, A1:50; A3:135
See also angular standard deviation; Apparent Polar Wander Path
paleomagnetic Unit B9, magnetostratigraphy, A5:21
paleomagnetic Unit B10, magnetostratigraphy, A5:21
paleomagnetic Unit B14, magnetostratigraphy, A5:21
paleomagnetic units
A1–A4 and B1–B18, A5:21, 119
angular standard deviation, A7:11
hiatuses, A5:21–22
I–VIII, A6:111
magnetostratigraphy, A5:21, 119
paleolatitude, A6:23
paleomagnetism
evolution, B1:3–4
orientation, A4:21–23
orientation vs. sedimentary features, A4:23–24
Site 1183, A3:32–35
Site 1184, A4:19–24
Site 1185, A5:18–22
Site 1186, A6:20–23
Site 1187, A7:9–11
paleotemperature, lithification, B2:5
Paquier level, oceanic anoxic events, A3:14
partial melting, basalt, B1:5–7
pebbles
lithologic units, A4:6–7
photograph, A6:59
photomicrograph, A6:60
See also limestone pebbles
pelagic environment, nannofossils, A5:6–7
peridotite, phase equilibria, B1:5
petrography, basalt, A3:26–28; A4:13–15; A5:13–14; A6:16–17; A7:7–8
petrology
igneous rocks, A1:28–30
magmatism, B1:5–7
phase equilibria, peridotite, B1:5–6
phenocrysts
fractional crystallization, B1:6
photomicrograph, A1:62; A3:87–91, 95, 97, 104, 112; A4:66, 79
vs. depth, A1:44; A3:79; A5:52; A6:65
See also clinopyroxene phenocrysts; olivine phenocrysts; plagioclase phenocrysts
phillipsite
hydrothermal alteration, A1:20–21, 26
photomicrograph, A5:81, 90
veins, A5:17
phyllosilicates, alteration, A6:19
phyric texture, basalt, A3:25–26
physical features, volcanic oceanic plateaus, A1:4–6
physical properties
basement alteration, B7:1–33
Site 1183, A3:35–38
Site 1184, A4:24–26
Site 1185, A5:22–25
Site 1186, A6:23–25
Site 1187, A7:11–13
Pigafetta Basin, volcanic oceanic plateaus, A1:4–6
pillow basalt
alteration, A7:9
Aptian, A3:13
basement units vs. depth, A1:61
Formation Microscanner imagery, A6:92–96
lithologic units, A1:18–21, 25; A3:11–12
macroscopic description, A5:12–13; A7:7
magnetic fabric, B5:6–7
magnetic inclination histograms, B5:16
magnetic properties, B5:18
magnetostratigraphy, A6:22
photograph, A5:44; A7:25, 28
photomicrograph, A5:42, 53–54; A7:32
vs. depth, A1:68, 71
pillow basalt, olivine-phyric, photomicrograph, A3:97
pillow basalt, olivine-plagioclase-phyric, photomicrograph, A3:96
pillow basalt, tholeiitic, thickness, B1:4
pillow inflation texture
photograph, A3:84
photomicrograph, A3:98
pillow margins
basalt, A5:13–14; A6:16–17
Lower Alteration Zone, A5:16–17
magnetic susceptibility, B7:5
photograph, A7:25–26, 38
photomicrograph, A6:67
Upper Alteration Zone, A5:16
pillow margins, aphanitic, photomicrograph, A6:64
pillow margins, glassy, macroscopic description, A5:12–13
pillow margins, quenched, photomicrograph, A7:29
pillow rims
alteration, A6:19
basalt, A3:26–28; A6:16–17
fractional crystallization, B1:6
photograph, A5:75–76; A7:38
pillow rims, glassy
basalt, A5:13–14
macroscopic description, A6:16
photograph, A3:77, 80–84
photomicrograph, A3:87–90
pillow rinds, petrography, A5:14
plagioclase
alteration, A3:29–32
geochemistry, A3:28–29
glomercrysts, A3:27
macroscopic description, A6:16; A7:7
megacrysts, A1:12
petrography, A3:27
photomicrograph, A3:87, 91–92, 94, 98–99, 104–107; A4:65–66, 68, 78, 81–82; A6:66–71; A7:39
vs. depth, A3:79
plagioclase, acicular
photomicrograph, A7:29
Upper Alteration Zone, A5:16
plagioclase crystals
age, B1:7
basalt, A4:13–15
photomicrograph, A4:60; A5:68–69, 77, 88
plagioclase groundmass, basalt, A5:13
plagioclase laths
petrography, A3:27
photomicrograph, A1:69; A3:94; A6:67; A7:30, 32
plagioclase laths, skeletal, photomicrograph, A5:58
plagioclase phenocrysts
basalt, A6:16–17
geochemistry, A3:28–29
low-temperature alteration, B6:3–4
petrography, A3:26–28; A5:14
photomicrograph, A5:55, 57, 62, 68–69; A6:64
vs. depth, A6:65
plagioclase xenocrysts, vs. depth, A5:52
Planolites
lithologic units, A3:6–11
photograph, A5:38–39
plate tectonics, emplacement, A1:4–6
platinum group elements, basalt, B1:5–6
Pleistocene. See Maastrichtian–Pleistocene interval
Pliocene
deformation, A1:6
See also Cretaceous–Pliocene interval
plume-head model, oceanic plateaus, A1:5–7
plume-impact model, oceanic plateaus, A1:7
plumes, mantle, B1:8–9
pole positions. See Pacific Plate Euler pole
porcellanite
lithologic units, A6:5–6
photograph, A3:73
porcellanite, calcareous, lithologic units, A6:8
pore space, low-temperature alteration, B6:5–6
pore water, oxygen isotopes, B2:4
porosity
alteration, B7:7–8
basalt, B7:4–5
rocks, A3:162–164; A4:122–125; A5:121; A6:23–24, 113; A7:11–12, 63
vs. compressional wave velocity, B7:6–7, 17
vs. depth, A3:137; A4:104; A5:101–102; A6:85; A7:49; B7:13–16
water content, B7:29
porosity logs, vs. depth, A6:88, 90
potassium, basalt, B7:7–8
potassium oxide
basement basalt, B7:22–28
See also sodium oxide + potassium oxide
preferred magnetic azimuth
Apparent Polar Wander Path, B5:9
basalt, B5:21
pressure solution
diagenesis, A6:11
photograph, A3:74
photomicrograph, A3:75
sediments, A3:18–21
pseudomorphism, photomicrograph, A3:87–90, 95–98, 113–114, 117–119
pseudomorphs
geochemistry, A3:28–29
photomicrograph, A5:86; A6:76
See also olivine pseudomorphs
pyrite
alteration, A7:9
dusky green halos, A6:18
fissure fillings, B6:5–6
hydrothermal alteration, A1:26
lithologic units, A1:13
low-temperature alteration, A3:30; B6:4
photograph, A5:38
photomicrograph, A3:118, 128
veins, A5:17; A6:19
vs. depth, A3:122
pyrrhotite, rock magnetism, A4:20–21

Q

Q-ratio, vs. depth, A4:100
quartz
low-temperature alteration, B6:6
photomicrograph, A3:123–127
sediments, A6:104

R

radiolarians
lithologic units, A3:11–12; A5:5–6
paleoclimatology, A3:17–18
sedimentation, A6:10
vs. depth, A1:60; A5:35
radiolarians, altered, photomicrograph, A5:42
recrystallization
carbonates, B3:4–7
lithologic units, A3:11–12
oxygen isotopes, B2:5
planktonic foraminifers, A5:11
redox fronts, photograph, A3:61, 72
redox reactions, sediments, A3:18–21
reflectance, vs. depth, A1:43, 60, 65; A3:49; A4:38; A5:35; A6:39–40
reheating, carbonate compensation depth, A3:16
remanent magnetization
basalt, A3:35
rock magnetism, A4:20–21
sediments, A3:33
remanent magnetization, anhysteretic, pillow basalt, B5:6–7
remanent magnetization, characteristic
overprinting, A6:84
paleomagnetism, A4:22–23
pillow basalt, B5:6–7
sediments and basalt, A3:32–35, 161; A5:18–22, 116–118; A6:20–23, 109–110; A7:9–11, 59–62
vs. depth, A4:102; A5:100
remanent magnetization, natural
average intensity and susceptibility in sediments, A3:160
overprinting, A6:84
pillow basalt, B5:6–7
sediments and basalt, A3:32–35, 161; A5:18–22; A6:20–23, 109–110; A7:10, 59–62
vs. depth, A3:132, 136
vs. induced magnetization, B5:14
reprecipitation, diagenesis, A6:11
resistivity logs. See deep resistivity logs; medium resistivity logs; microresistivity
rock magnetism
magnetic minerals, A4:20–21
median destructive field, A5:20

S

salinity, oxygen isotopes, B2:4
San Cristobal
lava flows, A1:28–30
magma production, B1:2
sandstone, volcaniclastic, nannofossil biostratigraphy, A3:12
Santa Isabel
lava flows, A1:28–30
magma production, B1:2
volcanic oceanic plateaus, A1:4–6
Santonian
lithologic units, A3:9–11
strontium isotopes, B3:4
Santonian/Campanian boundary
biostratigraphy, A3:23
strontium isotopes, B3:6
Santonian–Campanian facies, photograph, A3:61
Santonian–Coniacian facies, photograph, A3:61
Santonian–Coniacian interval, lithologic units, A3:10–11
saponite
alteration, A3:29–32; A5:16–17
hydrothermal alteration, A1:25–26; A3:31–32
lithologic units, A1:12
low-temperature alteration, B6:3–4
photomicrograph, A3:112–114
saponite, iron-rich, alteration, A7:9
scandium, tholeiitic basalt, A5:14–15
seamounts, volcanic oceanic plateaus, A1:4–6
seams, anastomosing, photograph, A3:56, 62, 76
seams, discontinuous, photograph, A3:76
secondary minerals
alteration, A5:16–17
basalt, A4:14–15
low-temperature alteration, A3:30
photomicrograph, A5:86
sediment/basement contact
compressional wave velocity, B7:4
Formation Microscanner imagery, A6:28, 92
paleoclimatology, B2:3
properties, A5:24–25
strontium isotopes, B3:6
sediment loading, carbonate compensation depth, A3:14–16
sediment transport, magnetic inclination, A4:23–24
sedimentary interbeds
Formation Microscanner imagery, A6:93–96
lithologic units, A3:11–12; A5:6; A7:4
lower Aptian, A6:9
sedimentation
Cretaceous/Paleogene event, A3:16–17
history, A5:6–7; A6:9–11; A7:4–5
Maastrichtian–Pleistocene history, A3:12–18
sedimentation rates
Aptian, A3:14
See also mass accumulation rates
sediments
magnetostratigraphy, A5:19–20
principal results, A1:11
remanent magnetization, A3:33; A7:10
strontium isotopes, B3:1–19
trace elements, B4:1–6
sediments, interflow, photograph, A6:59
seismic profiles
Site 1183, A1:42; A3:47–48
Site 1184, A1:51; A4:32–37
Site 1185, A1:59; A5:31–34
Site 1186, A1:64; A6:35–38
Site 1187, A1:70; A7:18–20
seismic reflections, intravolcaniclastic, dip, A4:23–24
Selandian, middle, lithologic units, A1:22–24
Selli level, oceanic anoxic events, A3:14
shallow-water environment, paleoenvironment, A6:14–15
sheet flows, thickness, B1:4
silica
basalt, A7:8
vs. alkalies, A1:39, 45; A3:108; A4:83; A5:70; A6:72; A7:34
vs. sodium oxide + potassium oxide, A1:39, 45; A3:108; A4:83
silica, biogenic, accumulation rates, A3:17–18
silica starvation, sedimentation, A3:18
siliceous microfossils
lithologic units, A3:6; A4:5; A6:5–6
Oligocene–Miocene interval, A3:18
silicification
lithologic units, A6:5–6
photograph, A3:71, 73, 76; A6:42–43
sediments, A3:18–21
sills, thickness, B1:4
Singgalo Formation
basalt, A1:12
comparison with other Ontong Java Plateau basalts, A3:29
geochemistry, B1:5–7
Singgalo-type basalt, primitive mantle-normalized incompatible elements, B1:17
Site 288, stable isotopes, B2:12
Site 289
alkalies vs. silica, A1:39
stable isotopes, B2:12
Site 317, stable isotopes, B2:12
Site 803
alkalies vs. silica, A1:39
chromium vs. titanium oxide, A1:48
incompatible element averages, A1:40
magnesium number vs. titanium oxide, A1:46
neodymium isotopes vs. lead isotopes, A1:41
zirconium vs. titanium oxide, A1:47
Site 807
alkalies vs. silica, A1:39
chromium vs. titanium oxide, A1:48
comparison with other Ontong Java Plateau basalts, A3:28–29; A4:16–17; A5:15; A6:17
incompatible element averages, A1:40
magnesium number vs. titanium oxide, A1:46
neodymium isotopes vs. lead isotopes, A1:41
stable isotopes, B2:12
zirconium vs. titanium oxide, A1:47
Site 1183, A3:1–170
alteration, A3:29–32
background and objectives, A3:1–2
biostratigraphy, A3:21–25
boron, B4:1–6
coring summary, A3:139–148
geophysical background, A3:1–2
igneous petrology, A3:25–29
lithostratigraphy, A3:4–21
Maastrichtian paleoclimatology, B2:1–15
magnetic fabric, B5:1–21
operations, A3:2–4
paleomagnetism, A3:32–35
physical properties, A3:35–38; B7:13
principal results, A1:10–14
site description, A3:1–170
stable isotopes, B2:12
strontium isotope stratigraphy, B3:1–19
structural geology, A3:32
Site 1184, A4:1–131
alteration, A4:17–19
background and objectives, A4:1–3
biostratigraphy, A4:11–13
coring summary, A4:107–115
geophysical background, A4:2
igneous petrology, A4:13–17
lithostratigraphy, A4:4–11
operations, A4:3–4
paleomagnetism, A4:19–24
physical properties, A4:24–26
principal results, A1:14–17
site description, A4:1–131
Site 1185, A5:1–124
alteration, A5:15–17
background and objectives, A5:1–2
biostratigraphy, A5:7–11
coring summary, A5:105–109
igneous petrology, A5:11–15
lithologic units, A5:5–6
lithostratigraphy, A5:5–7
operations, A5:2–5
paleomagnetism, A5:18–22
physical properties, A5:22–25
principal results, A1:17–21
site description, A5:1–124
structural geology, A5:17–18
Site 1186, A6:1–117
alteration, A6:17–19
background and objectives, A6:1–2
biostratigraphy, A6:12–15
boron, B4:1–6
coring summary, A6:97–102
downhole measurements, A6:25–29
igneous petrology, A6:15–17
lithostratigraphy, A6:4–12
Maastrichtian paleoclimatology, B2:1–15
magnetic fabric, B5:1–21
operations, A6:2–3
paleomagnetism, A6:20–23
physical properties, A6:23–25
principal results, A1:21–24
site description, A6:1–117
stable isotopes, B2:12
strontium isotope stratigraphy, B3:1–19
Site 1187, A7:1–66
alteration, A7:8–9
background and objectives, A7:1–2
biostratigraphy, A7:5–6
coring summary, A7:52–55
geophysical background, A7:1–2
igneous petrology, A7:6–8
lithostratigraphy, A7:3–5
magnetic fabric, B5:18
operations, A7:2–3
paleomagnetism, A7:9–11
physical properties, A7:11–13
principal results, A1:24–26
site description, A7:1–66
slope environment
paleoenvironment, A6:14–15; A7:6
See also middle slope environment
slumping
carbonate compensation depth, A5:7
photograph, A5:39
slumping, synsedimentary, lithologic units, A4:8
smectite
alteration, A4:17
basalt, A6:17
hydrothermal alteration, A1:19–21, 25–26; A3:31–32
igneous provinces, B1:6
lithologic units, A1:16
low-temperature alteration, B6:4–5
photograph, A3:116; A5:78, 94
photomicrograph, A1:54; A3:115–116, 128; A4:57, 76–77, 95; A5:77, 79–81, 85, 88, 93
veins, A5:17; A6:19
vs. depth, A3:122
See also veins
smectite, brown
alteration, A7:9
brown halos, A6:18
normal gray basalt, A6:19
photograph, A7:41
photomicrograph, A4:89–90, 92, 96; A6:71, 79; A7:30, 39–40, 42–44
smectite, zoned, photomicrograph, A4:87–88
sodium, sediments, B4:1–6
sodium oxide + potassium oxide, vs. silica, A1:39, 45; A3:108
soft sediment deformation, carbonate compensation depth, A5:6–7
Solomon Arc, magma production, B1:2
spar. See calcite, sparry
spherulites
alteration, A4:18
basalt, A5:12–13; A6:16–17; A7:7–8
macroscopic description, A7:7
photograph, A5:40, 44–45, 47–49; A7:26–28
photomicrograph, A5:77; A6:80; A7:29
Upper Alteration Zone, A5:16
See also calcite spherules; celadonite spheres
spherulites, altered, photomicrograph, A5:64
spherulitic texture, photograph, A1:63
spinel. See chrome spinel
sponge spicules, lithologic units, A3:6
spreading centers, basalt, B1:5–7
stable isotopes, diagenesis, B2:1–15
start-up plumes, melting, B1:9
starting-plume head, igneous provinces, B1:3–4
Stewart Arch, principal results, A1:21–24
Stewart Basin, volcanic oceanic plateaus, A1:4–6
stratigraphy
correlation, A1:72
sections, B1:15
strontium isotopes, B3:1–19
stratigraphy, corrected water depths, correlation, A1:73
strontium
basalt, B1:5
tholeiitic basalt, A5:14–15
vs. depth, A5:74
strontium isotopes
age vs. depth, B2:10
bulk samples, B3:16, 18
diagenesis, B3:4–7
stratigraphy, B3:1–19
vs. age, B3:13, 17
vs. depth, B3:11–12
vs. lead isotopes, B1:16
structural geology
Site 1183, A3:32
Site 1185, A5:17–18
structure, volcanic oceanic plateaus, A1:4–6
stylolites. See also microstylolites
stylolites, pressure solution, photograph, A3:58
subaerial environment, deposition, A4:10
Subchron M "-1r," remanent magnetization, A7:10–11
submarine emplacement
igneous provinces, B1:6
melting, B1:9
subophitic texture
basalt, A7:7–8
petrography, A5:14
photomicrograph, A3:88, 96–97; A4:68; A6:66; A7:32
suboxic environment, normal gray basalt, A6:19
subtrachytic texture, photomicrograph, A3:98; A4:64, 81; A6:67
subvariolitic texture, photomicrograph, A5:77, 81
sulfides
basalt, A4:14; A6:17
mantle, B1:6
petrography, A3:27
photomicrograph, A6:70

T

tachylite, photomicrograph, A1:54; A4:81–82
tachylitic fragments
lithologic units, A1:11
photomicrograph, A4:98
tectonics, volcanic oceanic plateaus, A1:4–6
temperature, oxygen isotopes, B2:4
teredo-like mollusk borings, photograph, A4:52
Tertiary
volcanism, A1:6
See also Cretaceous/Tertiary boundary; Paleocene; Paleogene
textures
basalt, A3:25–26
See also aphanitic texture; basalt textures; botryoidal texture; cryptocrystalline texture; fibroradial texture; flaser texture; glomerophyric texture; holocrystalline texture; intergranular texture; intersertal texture; intrafasciculate texture; microflasers; nodular chalk texture; phyric texture; pillow inflation texture; spherulitic texture; subophitic texture; subtrachytic texture; subvariolitic texture; trachytic texture; variolitic texture; wispy flaser texture
thermal conductivity
basalt, B7:5, 33
rocks, A3:37–38, 169; A4:25–26, 131; A5:24, 124; A6:25, 116; A7:13, 66
vs. depth, A3:137; A4:104; A5:101–102; A6:85; A7:49; B7:13–16
vs. grain density, B7:20
thermal subsidence, carbonate compensation depth, A3:16
tholeiite
geochemistry, A3:28–29; A5:14–15; A6:17
See also basalt, tholeiitic
tholeiite, low-potassium, lava flows, A1:6–7
titanium, basalt, A1:28–30; A6:17
titanium oxide
basalt, A7:8
tholeiitic basalt, A5:14–15
vs. chromium, A1:48; A4:17, 86; A5:72; A6:74; A7:35
vs. depth, A5:74
vs. magnesium number, A1:46; A3:110; A4:16, 85; A5:73; A6:75; A7:37
vs. zirconium, A1:47; A3:109; A4:84; A5:71; A6:73; A7:36
titanomagnetite
basalt, A4:14; A6:22; A7:8
photomicrograph, A3:94; A4:59, 65–67, 69, 80; A5:66–67, 69; A6:70
rock magnetism, A4:20–21
titanomagnetite, skeletal, basalt, A6:16–17
trace elements
basalt, A6:17; A7:8, 58; B1:5–7
glassy clasts, B1:7
igneous rocks, A6:108
sediments, B4:1–6
tholeiitic basalt, A5:14–15
whole rocks, A3:159; A4:120
trachytic texture, photomicrograph, A4:82
transition zone
Formation Microscanner imagery, A6:89
ooze-to-chalk, A3:19; A4:5
photograph, A6:50
photomicrograph, A6:51
sediments, A3:18–21
transport, deposition, A4:9–10
triple junctions, oceanic plateaus, A1:5–6
tuff
lithologic units, A4:5–8
photograph, A4:43, 70–73
vs. depth, A4:38
See also lapilli tuff
tuff, lithic vitric
lithologic units, A4:6–8
photograph, A1:53, 55; A4:49
photomicrograph, A1:54, 58, 77
tuff, red–brown, photograph, A4:62
tuff, vitric
Aptian, A3:13
lithologic units, A1:11, 15; A3:10–11
photograph, A3:64
tuff, vitric lithic, lithologic units, A4:6–8
turbidite, planktonic foraminifers, A5:10–11
turbidity currents, lithologic units, A4:6
Turonian, paleomagnetic units, A5:21, 119

U

unconformities
biostratigraphy, A3:21–22; A6:12–14
Campanian/Maastrichtian boundary, A6:12
depths and duration, A3:153; A6:105
lower Aptian–Miocene, B1:4
middle/upper Eocene, A1:18, 20
upper Aptian, A6:12
See also hiatuses
underplating, carbonate compensation depth, A3:16
Upper Alteration Zone, pillow margins, A5:16
upwelling, sedimentation, A3:18

V

vanadium, tholeiitic basalt, A5:14–15
variolitic texture
basalt, A5:12–14; A7:7–8
photomicrograph, A3:95; A6:68; A7:32–33
vein abundance, vs. depth, A3:130
vein density, alteration, A5:17
vein dip, structure, A3:32
vein minerals, vs. depth, A3:122
vein width
structure, A3:32; A5:18
vs. depth, A3:127
veins
alteration, A3:31–32; A5:17; A6:19; A7:9
basement basalt, B7:22–28
compressional wave velocity, B7:4
halos, B6:4–5
hydrothermal alteration, A1:20–21, 26
lithologic units, A1:13
low-temperature alteration, B6:2–3, 5–6
photograph, A7:45
photomicrograph, A3:119, 121, 123–127; A5:80, 91; A6:79
physical properties, B7:7–8
vs. depth, A5:95–96
See also calcite veins
veins, calcite + zeolite, photomicrograph, A5:81
veins, calcite–smectite, photograph, A5:84, 94
veins, celadonite + goethite, photomicrograph, A3:120–121
veins, hairline, photomicrograph, A3:115–116
velocity, vs. depth, A3:138; A4:106; A5:103; A6:86; A7:13, 50; B7:14–16
velocity logs, vs. depth, A6:88, 90
Venezuela W, La Luna Formation, B3:10, 18
vesicles
alteration, A4:18
basalt, A6:16–17
low-temperature alteration, B6:3–4
photomicrograph, A4:94, 96–97; A5:53; A6:78
vs. depth, A1:68; A6:62
vesicular zone
basalt, A3:26
photograph, A3:80–82
void ratio, rocks, A3:162–164; A4:122–125; A5:121; A6:113; A7:63
volcanic ash
Cretaceous, A1:6, 14
diagenesis, A3:19–20
lithologic units, A3:6–7; A4:5
Oligocene–Miocene interval, A3:18
photograph, A3:52, 57, 74, 76
photomicrograph, A4:74–75
sedimentation, A6:10
volcanic glass
alteration, A3:31; A6:19; A7:9
fractional crystallization, B1:6
lithologic units, A1:12, 25
low-temperature alteration, B6:5
photograph, A3:80–84; A5:75, 78
photomicrograph, A1:58; A3:94; A4:74, 76, 78, 87–92, 95–98
vs. depth, A1:68; A3:79; A5:52; A6:62
See also glass inclusions; glass shards; groundmass, volcanic glass
volcanic glass, basaltic, lithologic units, A6:8
volcanic glass, devitrified
basalt, A6:17
photomicrograph, A5:60
volcanic glass, highly vesicular altered, photomicrograph, A4:93
volcanic glass, quenched, photomicrograph, A1:49; A3:100
volcanic oceanic plateaus, basement, A1:1–75
volcaniclastics
Cretaceous/Paleogene boundary, A3:17–18
deposition, A3:12–13; A6:12
Eocene, A3:17–18
eruptions, A1:57; A4:54
lithofacies, A1:75
lithologic units, A1:15–16; A4:5–8
lower Eocene, A1:17
middle Eocene, A4:17
petrography, A4:119
photograph, A4:42; A6:59
photomicrograph, A6:51
sources, B1:7–8
Zijderveld diagrams, A4:99
See also conglomerate, volcaniclastic
volcanism
comparison with other parts of Ontong Java Plateau, A4:16–17
Eocene, A1:29
eruptions, A4:15–16
lava flows, A1:28
source areas, A4:9
submarine processes, A3:26
Tertiary, A1:6
volcanism, alkaline basalt, basement, B1:4
volcanism, hydroclastic, middle Eocene, A4:9–11
volcanology, lava flows, A1:9

W

wackestone, foraminifer
lower Aptian, A6:9
photomicrograph, A6:60
wackestone, photomicrograph, A6:61
wackestone, radiolarian
lower Aptian, A6:9
photomicrograph, A6:60
water content
density, B7:29
magma, B1:6
melting, B1:9
rocks, A3:162–164; A4:122–125; A5:121; A6:23–24, 113; A7:11–12, 63
vs. carbon dioxide, B1:18
water–rock interactions, alteration, A3:29–32
weathering, subaerial, lithologic units, A1:17
weathering, submarine, low-temperature alteration, A3:30
well-logging, summary, A6:117
wispy flaser texture, limestone, A3:20–21
wood fragments
lithologic units, A4:8
photograph, A1:53; A4:50, 52
volcaniclastics, B1:7
vs. depth, A1:52; A4:40, 48
wood fragments, carbonized, basalt, A4:14
woody texture
limestone, A3:20–21
photograph, A3:62, 76

X

X-ray diffraction data
sediments, A3:150–151
vs. depth, A4:121
xenocrysts
geochemistry, A3:28–29
photomicrograph, A3:93, 106
vs. depth, A5:52
See also plagioclase xenocrysts
xenoliths
basalt, A3:26
macroscopic description, A6:16; A7:7
petrography, A3:26–28
photomicrograph, A3:93, 99
vs. depth, A1:68; A3:79; A5:52; A6:62
xenoliths, cumulate gabbroic, lithologic units, A1:12
xenoliths, plagioclase-rich
basalt, A3:26
photograph, A1:49; A3:85–86
photomicrograph, A1:49; A3:100–103
vs. depth, A1:44

Y

yttrium, tholeiitic basalt, A5:14–15

Z

zeolite cement, photomicrograph, A4:98
zeolites
alteration, A4:17
basalt, A4:14
Cretaceous/Paleogene boundary, A3:16–18
lithologic units, A1:11, 16; A3:8–9; A6:5–6; A7:3–4
low-temperature alteration, B6:6
photograph, A3:56–57
photomicrograph, A1:54; A4:57, 88–90
sedimentation, A6:11
veins, A5:17
See also veins
zeolites, prismatic, photomicrograph, A5:81
Zijderveld diagrams
demagnetization, A5:19
sediments and basalts, A3:131; A5:97; A6:20, 81; A7:10, 46
volcaniclastics, A4:99
zirconium
basalt, A6:17; A7:8
tholeiitic basalt, A5:14–15
vs. depth, A5:74
vs. titanium oxide, A1:47; A3:109; A4:84; A5:71; A6:73; A7:36
zonation, lower Miocene, A4:55
zonation, plagioclase, photomicrograph, A3:99
Zoophycos, lithologic units, A3:6–10

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