SUBJECT INDEX

O

O1 reflection, Oligocene synthetic seismograms, A7:55

O2 reflection, Oligocene synthetic seismograms, A7:55

O3 reflection, Oligocene synthetic seismograms, A7:55

OAE2, Cenomanian-Turonian anoxic event, B3:3-4

ocean basins, basement, A1:6-8

oceanic plateaus

igneous provinces, A1:1-101; B1:1-45
volcanism, A1:36-38

Oligocene

glacioeustacy, B7:8
lithologic units, A1:23, 34; A5:4-5
nannofossil distribution, B8:17
nannofossils and diatoms, A8:6-9
paleoceanography, B1:22-23
paleoenvironment, A1:26
planktonic foraminifers, A5:10-13; A8:10-11
radiolarian biostratigraphy, B5:1-48
radiolarian paleoecology, B5:7-8
radiolarian stratigraphic markers, B5:28
reflection, A6:61
sedimentation rates, A7:9
silicoflagellates, A8:12
terrigenous and pelagic sediments, B7:1-31

Oligocene, lower

basaltic ashes, A6:35-36
diatom biostratigraphy, B6:1-21
lithologic units, A8:3-5
magnetic polarity, A7:48
planktonic foraminifers, A6:18
radiolarian faunal indices, B5:29
remanent magnetization, A6:54
silicoflagellate biostratigraphy, B11:4-5

Oligocene, lower-middle, planktonic foraminifers, A6:18

Oligocene, middle, synthetic seismograms, A7:55

Oligocene, middle-upper, nannofossil biostratigraphy, B8:1-19

Oligocene, upper

diatom biostratigraphy, B9:7
lithologic units, A6:5-6; A7:5-6
planktonic foraminifers, A6:18

Oligocene-Holocene succession, biostratigraphy, B8:1-19

Oligocene-Miocene succession, radiolarian family levels, B4:26; B5:27

Oligocene/Miocene boundary

hiatuses, B9:11-12
paleoceanography, B1:23-24
sedimentation, B7:10

olivine

alteration, A4:21; B15:6-9
basalts, A4:17-19
basement, A1:17
basement units, A8:18; A9:17
lithologic units, A1:28, 31-33
microphenocrysts, A6:47
photomicrograph, A1:92; A6:131; A8:52, 55, 58; A9:82-83, 87-88
vs. depth, A4:46; A5:99

olivine, altered

basement units, A9:24
photomicrograph, A5:104

olivine groundmass, photomicrograph, A8:61

ooze, calcareous, lithologic units, A1:30; A4:4, 11-13; A7:4-5

ooze, diatom

lithologic units, A1:27
sedimentation, A5:8

ooze, diatom nannofossil, lithologic units, A8:3-5

ooze, foraminifer, lithologic units, A8:5-6

ooze, foraminifer nannofossil, lithologic units, A1:30; A9:5-6

ooze, foraminifer-bearing diatom, lithologic units, A5:4, 13, 20; A6:4, 23, 35; A8:3-5

ooze, foraminifer-bearing diatom-bearing nannofossil, lithologic units, A7:4-5, 13-14

ooze, foraminifer-bearing nannofossil, lithologic units, A6:5; A8:3-5

ooze, nannofossil

lithologic units, A1:23; A3:4-5; A4:4; A5:4-5
photograph, A3:28

ooze, nannofossil-bearing, lithologic units, A7:5-6, 13-14

ooze, nannofossil-bearing foraminifer, lithologic units, A8:5-6

ooze, pelagic, lithologic units, A1:27; A3:4

ooze, sedimentation, A1:37, 39

ooze, silty diatom, lithologic units, A8:3-5

opal

lithologic units, A5:5-6
sediments, B7:5, 9-10, 24
vs. carbonate content, B7:15

opal-A, lithologic units, A5:4, 13; A7:5; A8:3-5

opal-CT, lithologic units, A5:4, 13

ophitic texture, basement units, A9:24

organic carbon flux, vs. age, B7:19

organic matter, kerogen, B3:5-6

oscillatory zoning

photomicrograph, A4:48
plagioclase, A5:31

Osmundaceae, sporomorphs, B3:7

ostracodes, lithologic units, A6:7-8; A8:6

overgrowths, photomicrograph, A5:108

oxidation

basement units, A6:26-35, 36-42; B12:12
breccia, A5:28
glass shards, A4:12-13
photomicrograph, A5:95
volcaniclastics, A7:42-43

oxidation halos

alteration, A9:31
composition, A8:21-22
lava flows, A1:37
lithologic units, A1:28, 32
photograph, A7:144, 146-152; A9:76-77, 105

oxygen isotope zone Oi2, nannofossils, B7:8

oxygen isotopes

benthic foraminifers, B7:29
sediments, B7:6, 26
vs. age, B7:21
vs. carbonate content, B7:15
vs. depth, B7:16

oxygen minimum zone, bioturbation, B7:11

P

packstone

lithologic units, A7:7-8
photograph, A7:71-72
sedimentation, A1:37, 39

packstone, glauconite-bearing sandy, lithologic units, A5:5-6

packstone, sandy

lithologic units, A1:24; A7:7
photograph, A5:69; A7:70
sedimentation, A5:8

pahoehoe lava

basalt, A1:34; B14:2-8
basement units, A5:23-35; A6:26-28, 32, 34, 37-46; A7:30-35; A9:15-16
breccia, A1:16
lava flows, A1:37; A4:16
lithologic units, A1:21
photograph, A5:75, 82-83; A6:104, 123; A7:102; A9:56; B14:18-19
vs. aa lava classification, B14:20-21

pahoehoe lava, channelized, photograph, A6:114

pahoehoe lava, folded, photograph, A6:114

pahoehoe lava, rubbly

lava flows, B14:5
macroscopic attributes, B14:23
vs. aa lava classification, B14:21

pahoehoe lava, slab

identification, B14:3-8
macroscopic attributes, B14:23
vs. aa lava classification, B14:20

palagonite, lithologic units, A4:5, 11; A5:13

palagonitization, glass shards, A4:12-13

paleobotany, middle Cretaceous, B3:1-39

paleoceanography

benthic foraminifers, B7:6-7
Cretaceous, B1:21-22, 28
Eocene, B1:22, 28
Eocene-Oligocene, B1:22-23, 28
Miocene-Pleistocene, B1:23-24, 28
Paleocene, B1:22, 28
sedimentation, A3:6-7
sediments, A1:15

Paleocene

biostratigraphy, B4:1-59
paleoceanography, B1:22
sedimentation rates, B4:14-15
sediments, A1:15
See also Danian; late Paleocene Thermal Maximum

Paleocene, lower

biogeography, B4:14
Hornibrookina biogeography, B4:40
sedimentation rates, B4:11

Paleocene, upper

lithologic units, A3:4-6
nannofossils, A6:13
planktonic foraminifers, A6:19
remanent magnetization, A6:54
seismic stratigraphy, A3:20
thermal maximum, B4:15

Paleocene/Eocene boundary

nannofossil biostratigraphy, B4:5, 8-9
sedimentation rates, B4:11

paleoclimatology

Eocene/Oligocene boundary, B5:8-9
mid-Oligocene, B7:9
Pliocene-Pleistocene succession, B9:14

paleodepth, foraminifers, B2:6-7

paleoecology, Oligocene radiolarians, B5:7-8

paleoenvironment

Cretaceous, B1:21-22, 28; B2:1-28
diatoms, B9:14
Eocene-Oligocene, B1:22-23, 28
Late Cretaceous, B2:1-28
Miocene-Pleistocene, B1:23-24, 28
Paleocene-Eocene, B1:22, 28
palynomorphs, B3:6-9
sediments, A1:15
subsidence, A1:25-26

Paleogene

paleoceanography, A3:6-7
planktonic foraminifers, A7:12-13; A8:10-11
sedimentation rates, A3:7; B4:11

paleogeography, Mesozoic-Cenozoic, B4:26

paleolatitude, Cretaceous, A6:56

paleomagnetism

age models, B9:10-11
basalt, B1:24-25
Pliocene-Pleistocene succession, B9:49
Sediments, B13:1-17
Site 1135, A3:13-14
Site 1136, A4:23-26
Site 1137, A5:45-48
Site 1138, A6:53-56
Site 1139, A7:47-49
Site 1140, A8:22-24
Site 1141, A9:35-37
Site 1142, A9:35-37

paleoproductivity

nannofossils, B4:12
radiolarians, B5:7-10

paleovegetation, Cretaceous, B3:10-11

palynology, middle Cretaceous, B3:1-39

palynomorphs

biostratigraphy, A4:10; B3:9-13
paleoenvironment, B3:6-9

paragenesis, alteration, A7:45

pebbles

alteration, A9:33-35
basement units, A6:41; A7:14, 25; A9:12, 14, 16, 19, 30
lithologic units, A3:4; A4:3-5; A5:7, 16-18, 25; A6:4, 8-9; A7:8, 13-14, 25; A8:5-6
photograph, A5:72; A6:74, 79-80
regolith, A6:10
See also gabbro pebbles; gneiss pebbles; granite pebbles

pebbles, clay, basement units, A9:18, 21

pebbles, massive and flow-banded felsic volcanic, basement units, A7:14, 25

pebbles, metamorphic, lithologic units, A3:4

pelagic environment

lithologic units, A4:6; A6:10; A7:25; A8:6-7
Oligocene-Miocene sediments, B7:1-31

pelitic source, garnet, B16:2

pentlandite

basalts, A5:32
basement units, A7:38; A8:18
photomicrograph, A5:106

peperite, basement units, A6:39

peperitic texture

photograph, A6:105-106; B14:17
photomicrograph, A5:94

perlite

basement units, A7:15-17, 24-27, 37
photomicrograph, A7:78, 82

perlite, banded, basement units, A7:14-15, 25-26

perlitic fracture

photograph, A7:77, 79, 83
photomicrograph, A7:80, 88

perlitic texture, alteration, A7:42-43

permineralization, plant fossils, A6:22

petrography

basalts, A4:17-19; B15:21
basement, A5:30-34, 181-182; B15:22-23
basement units, A6:187; A7:37-39, 196-197; A8:109; A9:24, 129
pillow basalt, A8:17-18

Petuna Explorer sample, dredge samples, Eltanin Core E54-7, B2:5

phenocrysts

alkali feldspar, A7:42-43
alteration, A4:21; A9:33-35
basalts, A4:18-19
basement, A5:181-182
basement units, A6:47; A7:14, 17, 20-39; A9:17-20
lava flows, A8:15, 17
lithologic units, A1:31-33; A5:29-30; A7:7-8; A8:6
photograph, A7:90, 123-124
photomicrograph, A1:92; A4:47; A5:100, 108-109, 114; A6:125; A7:114-116, 122, 125, 129; A8:52-55, A9:81-84, 88, 90
plagioclase, A1:14; A7:41; A9:26
sanidine, A7:40-41
vs. depth, A4:46; A5:99
See also microphenocrysts

phenocrysts, altered mafic, photomicrograph, A7:125

phenocrysts, mafic, photomicrograph, A9:84

phonolite, eruptions, A1:38

phosphorus

felsic rocks, A7:41
lithologic units, A1:33
mobility, B15:9-10

phosphorus oxide

basalt, A5:35
basement units, A6:48; A7:132; A8:18; A9:27-29
felsic rocks, A7:41
lithologic units, A4:19
lithology, A7:39
vs. depth, A5:121; A6:133; A8:65; A9:93
vs. magnesium number, A6:134; A8:64
vs. magnesium oxide, A9:94
vs. niobium/zirconium ratio, A9:96
vs. silica, A7:41, 137

photoelectric effect logs, vs. depth, A5:159; A8:92

physical properties

Site 1135, A3:15-17
Site 1136, A4:26-28
Site 1137, A5:48-51
Site 1138, A6:56-59
Site 1139, A7:49-53
Site 1140, A8:24-27
Site 1141, A9:37-39
Site 1142, A9:39-41

pillow basalt

basement units, A8:13-19; A9:19, 22
lithologic units, A1:28, 32
major elements, A8:18
petrography, A8:17-18
photomicrograph, A8:60-62
sediments, A8:5
trace elements, A8:18

pillow lava

photograph, A1:91
photomicrograph, A1:92; A8:52, 57, 62; A9:90
See also megapillows

pillow margins

alteration, A9:35
basement units, A9:26
photograph, A8:59, 71; A9:77-79, 105
photomicrograph, A8:52, 55; A9:89

placoliths

diagenetic etching, B8:7
Quaternary, B8:1-19

plagioclase

alteration, B15:6-9
basalts, A4:17-19
basement, A1:17
basement units, A6:47; A7:37-39; A8:17-18
lithologic units, A1:28, 32-33; A4:5; A7:7-8
phenocrysts, A1:14; A7:41; A9:26
photograph, A5:135; A9:102
photomicrograph, A4:47-51; A5:100-101, 103, 108, 110; A6:130; A7:118-119; A8:53, 57, 62; A9:81, 83, 88, 90
pillow basalt, A8:17-19
sediments, B7:5, 25
vs. depth, A4:46; A5:99
See also albite twinning; anorthite

plagioclase, euhedral, photomicrograph, A4:53

plagioclase, sodic, photomicrograph, A5:108

plagioclase, untwinned, photomicrograph, A4:50

plagioclase, zoned, basalts, A5:31

plagioclase rim, photomicrograph, A4:51

plant debris, kerogen, B3:5

plant fossils, biostratigraphy, A6:22

plate tectonics

Cretaceous, B2:9-10
early Paleogene, B7:8-9
hot spots, A1:50-51; B1:5-7, 25, 39-40

Pleistocene

basement, A1:35
biostratigraphy, A6:11
diatom biostratigraphy, B9:7
diatom zonation, B9:13
lithologic units, A1:19-22, 30; A4:3-4; A9:5-6
paleoceanography, B1:23-24
paleoenvironment, B9:14
planktonic foraminifers, A5:10-13; A6:17-19
silicoflagellate biostratigraphy, B11:3-4
See also Oligocene-Holocene succession; Pliocene-Pleistocene succession

Pleistocene, lower, lithologic units, A7:4-5

Pleistocene, middle, lithologic units, A5:4, 13

Pleistocene, upper, lithologic units, A6:4

Pliocene

basement, A1:35
biostratigraphy, A6:11
diatom biostratigraphy, B9:7
lithologic units, A1:19-22, 30; A6:4; A7:4-5; A9:5-6
paleoceanography, B1:23-24
paleoenvironment, A1:26
planktonic foraminifers, A6:17-19
silicoflagellate biostratigraphy, B11:3-4
See also Miocene/Pliocene boundary; Oligocene-Holocene succession

Pliocene, lower, radiolarian biostratigraphy, B10:1-17

Pliocene, lower-middle, paleoenvironment, B9:14

Pliocene, lowermost, disconformities, B9:11

Pliocene, upper

diatom zonation, B9:13
lithologic units, A3:4
sediments, A1:13
trachytic ashes, A6:35-36

Pliocene-Pleistocene succession

diatom datums, B9:45-46
paleoclimatology, B9:14
paleomagnetic stratigraphy, B9:49

plumes, mantle, A1:9-11; B1:14-16, 26-27

plutonic rocks, ice-rafted debris, A1:23

Podocarpaceae, Cretaceous, B3:10-11

podocarpacean affinity, pollen, B3:8

poikiloblastic texture, photomicrograph, A5:111

pollen, gymnosperms, B3:8

porcellanite, lithologic units, A8:5-6

porosity

lithologic units, A1:24, 32; A4:26; A7:7-8; A8:25; A9:38-39
lithology, A7:50
sediments, A1:16
vs. bulk density, A5:166
vs. density logs, A8:96
vs. depth, A3:36, 40-41; A4:75, 77-78; A5:149-150; A6:155-156, 159-161; A7:165-166; A8:82-83; A9:113-115
vs. resistivity, A5:166

porosity logs

vs. depth, A8:94
See also neutron porosity logs

porphyroblastic texture, photomicrograph, A5:111

potassium

basalt, A5:34
felsic volcanic rocks, A5:36-37
lava, A1:14
mobility, B15:9-10

potassium feldspar, alteration, B15:6-9

potassium logs, vs. depth, A5:159-160, 162; A7:175-176, 178; A8:92

potassium oxide

alteration, A7:153
basalt, A5:34
basement units, A6:47-48; A7:132; A8:18; A9:27
garnet-biotite gneiss, A5:37
lithology, A7:39
volcanic rocks, A7:40-42
vs. depth, A4:59; A8:65; A9:92
vs. magnesium number, A8:64
vs. magnesium oxide, A9:94
vs. silica, A7:137
See also sodium oxide+potassium oxide

preservation

diatoms, B9:5-6
radiolarians, B5:7-10; B10:3

productivity. See paleoproductivity

protoliths, basalt, A9:23

provenance

sediments, B7:8
tephra fall deposits, B9:7-8

pseudo single domains

basalt, B12:9-12, 18
sediments, B13:16

pseudobreccia texture, photograph, A9:70

pseudomorphs

alteration, B15:6-9
photograph, A9:84
photomicrograph, A5:104
zeolites, A5:31

Pteridophyta, sporomorphs, B3:7-8

pumice

alteration, A6:50
basement units, A6:24-25, 36-37
lithologic units, A1:24; A5:7
photograph, A6:83, 89; A7:77

pumice crystals, lithologic units, A6:4

pumice fragments, lithologic units, A5:4, 13; A6:4

pumice lapilli

basement units, A6:24-25, 36-37
lithologic units, A5:13

pumice lapilli, accretionary, basement units, A6:24-25, 36-37

pyralspite field, low-calcium, garnet, B16:2

pyrite

basement units, A8:18
lithologic units, A3:4-6; A6:8-9; A7:5-6
photomicrograph, A8:62
sediments, B7:25
vs. depth, A8:70; A9:99

pyrite filling, photograph, A8:44

pyroclastic air fall deposits, lithologic units, A7:25

pyroclastic falls, lithologic units, A6:23, 35-36

pyroclastic flows

basement units, A6:22, 47; A7:26-27, 36-37
emplacement, A7:35-36
lava flows, A1:38
lithologic units, A1:24
reworking, A5:27
summary, A7:195

pyrope, garnet composition, B16:5

Q

quartz

alteration, A7:44; A9:31-32
basement units, A9:17
crystal-vitric tuff, A5:34
lithologic units, A1:32-33; A3:6; A5:5-6; A7:5-6, 37; A8:3-6
lithology, A5:6-8, 13-27
microphenocrysts, A7:41
photograph, A6:105; A7:104, 142-145, 147-148; A9:104
photomicrograph, A7:114
vesicles, A5:40
See also microquartz

quartz crystals, photomicrograph, A5:113

quartz trachyte, chemical composition, A5:127

Quaternary

lithologic units, A1:23
nannofossil biostratigraphy, B8:1-19
nannofossil distribution, B8:17
nannofossils and diatoms, A7:9-10
placoliths, B8:1-19
planktonic foraminifers, A7:12; A8:10
See also Oligocene-Holocene succession

Quaternary, upper

diatoms, A6:21
sedimentation, A3:6-7

quench texture

lithologic units, A4:4, 6
photomicrograph, A5:94

quenching

basement units, A7:14, 25
tephrachronology, B9:8-9

R

r-strategists, planktonic foraminifers, B2:3, 5-6

radiolarian evenness, vs. depth, B5:30

radiolarian number of species, vs. depth, B5:30

radiolarian preservation, vs. depth, B5:30

radiolarians

abundance, B10:3
abundance of early Oligocene fauna, B5:32-36
assemblages and taxonomy, B10:3-5
biogeography, B10:3-6
biostratigraphic events, B10:14
correlation between lower Oligocene faunal indices, B5:29
Eocene-Oligocene, B1:22-23
Eocene-Oligocene family levels, B5:25
Eocene/Oligocene boundary, B5:8-9
faunal indices, B5:37
late Miocene-early Pliocene biostratigraphy, B10:1-17
lithologic units, A5:4, 13
mean preservation of Eocene-Oligocene faunas from Southern Ocean, B5:38
Miocene-Pleistocene, B1:23-24
Oligocene, B5:1-48
Oligocene biostratigraphy, B5:6-7
Oligocene paleoecology, B5:7-8
Oligocene-Miocene family levels, B4:26; B5:27
photomicrograph, B5:39-48; B10:15-17
preservation, B5:7-10; B10:3
quantitative analysis of Oligocene fauna, B5:30
range chart, B10:12-13

radiolarians/gram, vs. depth, B5:30

rare earths

basalt alteration, B15:5-6, 15-18
mobility, B15:9-10

recrystallization

lithologic units, A6:8
photomicrograph, A7:128-129

reflectance, vs. carbonate content, B7:15

reflection coefficients, vs. depth, A3:42; A4:79; A5:156-157; A6:162-163; A7:162-173; A8:89-90

reflections

synthetic seismograms, A7:55-56
See also B reflections; CM reflections; M reflections; O reflections; TC reflections; TS reflection

regolith

lithologic units, A6:10
photograph, A6:80

remanent magnetization

basement units, A9:37
discrete basalt samples, A7:202
sediments, A6:53-54; A7:47-48

remanent magnetization, characteristic, lava, B12:6, 11

remanent magnetization, isothermal, sediments, B13:4, 14, 16

remanent magnetization, natural

basalt, A4:24-26, 91
lithologic units, A3:52; A4:90; A5:188
sediments, A3:13-14; A4:23-24

remanent magnetization, saturation isothermal, hysteresis, B12:8, 20

resedimentation, glass shards, A4:12-13

resin pieces, kerogen, B3:5-6

resistivity

discrete samples, A5:56-58, 2919
vs. porosity, A5:166

resistivity logs. See deep resistivity logs; shallow resistivity logs

resorption, plagioclase, A5:31

reworking

felsic rocks, A7:42-43
lithologic units, A6:8; A8:7
nannofossils, B4:12-13

rhyolite

basement, A1:35
chemical composition, A5:127
clasts, A1:18
eruptions, A1:37-38
lithologic units, A1:24
photomicrograph, A5:109
tephra fall deposits, B9:7-8

rhyolite, dark red welded vesicular, basement units, A7:15-17, 26

rhyolite, flow-banded, lithologic units, A5:30

rhyolite, sanidine-phyric, basement, A1:26; A7:36

rhyolite, sanidine-phyric flow-banded, clasts, A5:32-33

rhyolite, vesicular, basement units, A7:37

rhyolite agglutinate, photograph, A7:85

Riellaceae, sporomorphs, B3:7

rock magnetics

basalt, B1:24-25; B12:1-28
sediments, B13:1-17

rubble, basement units, A9:17-18, 20-21

rubidium

basalt, A5:34
basement units, A7:132; A9:27
felsic volcanic rocks, A5:36-37
lava, A1:14
lithology, A7:39
mobility, B15:9-10
vs. depth, A4:59; A9:93
vs. niobium, A1:75; A4:60; A5:123

rudstone, lithologic units, A7:7-8

S

sand

garnet, B16:1-8
lithologic units, A1:34; A3:4; A4:3-4, 11-12

sand, glauconite, vs. depth, A5:138-140

sand, silty, photomicrograph, A5:94, 96

sand, volcanic, vs. depth, A5:138-140

sand, zeolitic calcareous volcanic clayey

lithologic units, A4:4-5, 11-13
photograph, A4:40

sandstone

basement, A1:17-19
garnet, B16:1-8
lithologic units, A5:5-6, 16, 41; A6:8-9
photograph, A5:70, 83
photomicrograph, A5:84-85
sedimentation, A1:37, 39
Upper Cretaceous, A1:34

sandstone, bioclastic

basement units, A7:14, 25
lithologic units, A1:24; A7:37

sandstone, calcareous, photograph, A6:73-74

sandstone, coarse, photograph, A6:77

sandstone, crystal-lithic volcanic

geochemistry, A5:36-37
lithologic units, A5:6-8, 13-27, 30, 32

sandstone, glauconite-bearing, lithologic units, A6:7-8

sandstone, glauconite-bearing calcareous, photograph, A6:73-76

sandstone, glauconitic, photograph, A6:73

sandstone, glauconitic calcareous, lithologic units, A1:20; A6:7-8

sandstone, laminated silty, photograph, A6:74

sanidine

alteration, A7:44-47
basement units, A7:16, 37-38
lithologic units, A5:7, 16, 26
phenocrysts, A7:40-41
photograph, A7:123-124, 143
photomicrograph, A5:91, 109, 114-116, 122, 125; A7:114-117, 119, 122, 129
sediments, B7:5, 25
tuff, A1:18

Santonian

dinocysts, B3:10-13
lithologic units, A6:7-8
reflections, A6:61
See also Turonian/Santonian boundary

Santonian, lower, nannofossils, A6:14

saponite

lithologic units, A4:5-6, 12; A5:16, 38
photograph, A4:41, 63, 65; A5:133, 137; A7:104
secondary minerals, A1:14; A4:20-21
vesicles, A5:40
See also magnesium-saponite

saturation remanence, hysteresis, B12:7-8; B13:4-5

Schizaeaceae, sporomorphs, B3:8

sea-level changes

lithologic units, A7:8
nannofossils, B7:8
See also glacioeustacy

seafloor spreading, hot spots, B1:39-40

secondary minerals

alteration, A6:50-52, 190; A7:44-47, 139, 201; A8:111; A9:31-35; B15:6-9, 24-27
basement units, A6:190; B15:32-34, 36
igneous rocks, A4:20-21, 89; A5:187; B15:21-23
vs. depth, A4:62; A6:140; A9:98-99
X-ray diffraction data, A9:131
See also celadonite; chabazite; chlorite; clay minerals; clinoptilolite; goethite; heulandite; magnesium-saponite; mesolite; mordenite; natrolite; saponite; smectite; stilbite; thomsonite

sediment fluxes, accumulation rates, B7:7-8

sediment/breccia ratio, vs. depth, A6:140

sediment/igneous basement boundary, well logs, A8:30

sedimentary structures

sediments, A5:46-47
tuff, A5:44

sedimentation

debris flows, A5:7-8
Oligocene/Miocene boundary, B7:10
upper Quaternary, A3:6-7

sedimentation rates

age models, B9:9-11
biostratigraphy, A7:9
chronology, B7:7
Eocene, B4:15-16
lithologic units, A1:23, 30; A8:7
Miocene, B9:11
nannofossils, A5:8-9
Oligocene-Holocene, B8:7-8
Paleocene, B4:14-15
Paleogene ooze, A3:7
See also mass accumulation rates

sedimentation rates, linear

Oligocene-Miocene biostratigraphy, B6:5, 16
Paleogene, B4:11

sediments

chemical composition, A3:59
Formation MicroScanner imagery, A5:163
lithologic units, A1:30
lithology, A1:13-14
magnetic polarity, A8:22-23
median destructive field, A9:35-36
paleomagnetism, A4:23-24; B13:1-17
provenance, B7:8
remanent magnetization, A6:53-54; A7:47-48
rock magnetics, B13:1-17
structures, A5:46-47
unconformities, A1:16

sediments, basal, age, A5:12-13; A8:12

sediments, clastic disturbed, lithologic units, A4:3-4

seeds, kerogen, B3:5-6

segregations

basalts, A4:18-19; A9:14
basement units, A6:39
photograph, A8:74; A9:54, 58, 65, 102
photomicrograph, A4:51-55; A5:106; A6:127
vs. depth, A5:140

seismic profiles

Site 1135, A1:67; A3:26, 43
Site 1136, A1:68; A4:37, 80
Site 1137, A1:73; A5:65
Site 1138, A1:78; A6:67-68, 164-165
Site 1139, A1:85; A7:64-65, 174
Site 1140, A1:89; A8:38-39, 91
Site 1141, A1:95; A9:44-45
Site 1142, A1:95; A9:44-45

seismic reflections

synthetic seismograms, A5:158
See also reflections; specific reflections

seismic stratigraphy

lithologic units, A3:19-20; A4:29-30
Site 1135, A3:18-20
Site 1136, A4:29-30
Site 1137, A5:52-54
Site 1138, A6:59-61
Site 1139, A7:54-56
Site 1140, A8:28-29

seismograms, synthetic

lithologic units, A3:19-20; A4:29; A5:53-54; A6:60; A8:28-29
seismic reflections, A5:158
vs. depth, A3:42; A4:79; A5:156-157; A6:162-163; A7:162-173; A8:89-90

Selaginallales, sporomorphs, B3:7-8

shallow resistivity logs

vs. compressional wave velocity, A8:95
vs. depth, A7:175-178; A8:94

Shannon index, vs. depth, B5:30

shear wave velocity

vs. bulk density, A5:166
See also compressional wave velocity/transverse wave velocity ratio logs

shear wave velocity logs, vs. depth, A5:160

shear zones

lithologic units, A5:45
photograph, A9:71

shear zones, brecciated, photograph, A7:110

sheet flows, lava flows, A8:15

sheets, photograph, A6:108

shelf environment, lithologic units, A4:6

shell fragments, lithologic units, A7:7-8

shells

lithologic units, A3:5-6; A5:5-6; A6:7-8; A8:5-6
photograph, A4:41; A5:69; A6:77

siderite

alteration, A7:44-47
lithologic units, A6:8-9
photograph, A7:140, 142-145, 147-148
photomicrograph, A7:116
vs. depth, A7:139

sieve texture, photomicrograph, A9:81, 88

silica

alteration, A7:153
basalt, A5:34-35
basement units, A6:48; A7:132; A8:18; A9:26-27
garnet-biotite gneiss, A5:37
lithologic units, A4:19; A5:17
lithology, A7:39
magmas, A7:40
sedimentation, B7:9-10
volcanic rocks, A7:40-42
vs. alkalis, A1:58, 71, 98
vs. aluminum oxide/titanium oxide ratio, A7:137
vs. depth, A4:59; A6:133; A7:134, 139; A8:65; A9:92
vs. magnesium number, A8:64
vs. magnesium oxide, A4:57; A5:118; A7:133, 137
vs. phosphorus oxide, A7:41, 137
vs. potassium oxide, A7:137
vs. sodium oxide+potassium oxide, A1:58, 71, 80, 88, 98; A4:56; A5:117; A6:132; A7:39, 130; A8:63, 91; B1:41; B9:39; B15:5, 13
vs. titanium oxide, A7:40, 137

silica, amorphous

alteration, A9:31-32
lithologic units, A6:5; A7:4-5
vs. depth, A5:128-129, 138-139; A6:140

silicate weathering, carbon dioxide, B7:10-11

siliciclastics, lithologic units, A7:8

silicification

alteration, A7:45-47
lithologic units, A4:12
photograph, A7:83-84
photomicrograph, A6:101
volcaniclastics, A7:43

silicoflagellates

abundance, B11:17-19
biostratigraphy, A8:12; B11:1-20
lithologic units, A5:4, 13
Miocene-Pleistocene, B1:23-24
photomicrograph, B11:20
systematic paleontology, B11:5-11
zonation, B11:3-5

silicon, mobility, B15:9-10

silt, photograph, A5:80

silt, volcanic, lithologic units, A5:15-16

siltstone

basement, A1:17-19
lithologic units, A5:16, 41
photograph, A5:83, 131
photomicrograph, A5:84-85

siltstone, brecciated volcanic, lithologic units, A5:29

siltstone, crystal-lithic volcanic, lithologic units, A5:6-8, 13-27, 32

siltstone, sandy clayey

lithologic units, A6:8-9
photograph, A6:77-78

single domains, sediments, B13:16

Siphocampe+Artostrobus, vs. depth, B5:30

Site 527, carbon isotopes vs. depth, B4:38

Site 690, carbon isotopes vs. depth, B4:38

Site 747

alteration, B15:8
geochemistry, A6:49
sodium oxide+potassium oxide vs. silica, A1:58

Site 748, sodium oxide+potassium oxide vs. silica, A1:58

Site 749, sodium oxide+potassium oxide vs. silica, A1:58

Site 750

carbon isotopes vs. depth, B4:38
sodium oxide+potassium oxide vs. silica, A1:58

Site 1135, A3:1-59

background and objectives, A3:1-2
biostratigraphy, A3:7-13
coring summary, A3:44-49
correlation with Sites 1136 and 1138, B4:37
lithologic units summary, A3:50
lithostratigraphy, A3:3-7
location map, A3:25
nannofossil biostratigraphy, B4:41
operations, A3:2-3
organic and inorganic geochemistry, A3:17-18
Paleocene-Eocene biostratigraphy, B4:4-6
paleomagnetism, A3:13-14
physical properties, A3:15-17
principal results, A1:12-15
seismic stratigraphy, A3:18-20
site description, A3:1-59

Site 1136, A4:1-96

alteration, B15:6
background and objectives, A4:1-2
biostratigraphy, A4:6-10
coring summary, A4:81-83
correlation with Sites 1135 and 1138, B4:37
igneous geochemistry, A4:17-20
igneous petrology, A4:17-20; B1:8-9
lava classification, B14:12
lithostratigraphy, A4:3-6
location map, A4:36
nannofossil biostratigraphy, B4:42-45
operations, A4:2-3
organic and inorganic geochemistry, A4:29
Paleocene-Eocene biostratigraphy, B4:6-7
paleomagnetism, A4:23-26
physical properties, A4:26-28
physical volcanology, A4:10-17
principal results, A1:12-15
seismic stratigraphy, A4:29-30
site description, A4:1-96
structural geology, A4:22-23

Site 1137, A5:1-202

alteration, A5:38-43; B15:6-7
background and objectives, A5:1-2
biostratigraphy, A5:8-13
coring summary, A5:168-173
downhole measurements, A5:54-58
garnet sand grains, B16:1-8
igneous petrology, A5:28-37; B1:9-10
inorganic geochemistry, A5:51-52; A6:49
lava classification, B14:13
lithostratigraphy, A5:3-8
operations, A5:2-3
organic geochemistry, A5:51-52
paleomagnetism, A5:45-48
physical properties, A5:48-51
physical volcanology, A5:13-28
principal results, A1:15-19
seismic stratigraphy, A5:52-54
site description, A5:1-202
structural geology, A5:43-45
weathering, A5:38-43

Site 1138, A6:1-205

alteration, A6:49-52; B15:7-8
background and objectives, A6:1-2
biostratigraphy, A6:10-22
coring summary, A6:166-176
correlation with Sites 1135 and 1136, B4:37
geochemistry, A6:49
igneous geochemistry, A6:59
igneous petrology, A6:46-49; B1:10-11
Late Cretaceous foraminifers, B2:1-28
lava classification, B14:14
lithologic units, A6:177; B10:11
lithostratigraphy, A6:3-10
mid-Cretaceous paleobotany and palynology, B3:1-39
nannofossil biostratigraphy, B4:46
Neogene diatom biostratigraphy, B9:1-53
Oligocene radiolarians, B5:1-48
operations, A6:2-3
organic and inorganic geochemistry, A6:59
Paleocene-Eocene biostratigraphy, B4:7-10
paleomagnetism, A6:53-56
physical properties, A6:56-59
physical volcanology, A6:22-46
principal results, A1:19-22
radiolarian late Miocene-early Pliocene biostratigraphy, B10:1-17
seismic stratigraphy, A6:59-61
silicoflagellates, B11:1-20
site description, A6:1-205
structural geology, A6:52-53
weathering, A6:49-52

Site 1139, A7:1-213

alteration, A7:42-47
background and objectives, A7:1-2
biostratigraphy, A7:9-13
coring, A7:180-188
downhole measurements, A7:56-58
igneous geochemistry, A7:39
igneous petrology, A7:36-42; B1:12-13
inorganic geochemistry, A7:54
lava classification, B14:15
lithostratigraphy, A7:4-9
Oligocene-Holocene nannofossil biostratigraphy, B8:1-19
Oligocene-Miocene radiolarians, B5:26
Oligocene-Miocene terrigenous and pelagic sediments, B7:1-31
operations, A7:2-4
organic geochemistry, A7:54
paleomagnetism, A7:47-49
physical properties, A7:49-53
physical volcanology, A7:13-36
principal results, A1:22-26
seismic stratigraphy, A7:54-56
site description, A7:1-213
weathering, A7:42-47

Site 1140, A8: 1-122

alteration and weathering, A8:19-22; B15:8-9
background and objectives, A8:1-2
biostratigraphy, A8:5-12
coring summary, A8:101-105
downhole measurements, A8:29-32
geochemistry, A8:16-19
igneous petrology, A8:16-19; B1:13-14
lithostratigraphy, A8:3-5
Oligocene-Miocene diatom biostratigraphy, B6:1-21
Oligocene-Miocene radiolarians, B5:27
operations, A8:2-3
organic and inorganic geochemistry, A8:27
paleomagnetism, A8:22-24
physical properties, A8:24-27
physical volcanology, A8:12-16
principal results, A1:26-30
seismic stratigraphy, A8:28-29
silicoflagellates, B11:1-20
site description, A8:1-122

Site 1141, A9:1-137

alteration and weathering, A9:30-33
background and objectives, A9:1-2
biostratigraphy, A9:7-12
coring summary, A9:120-123
igneous petrology and geochemistry, A9:22-24; B1:11-12
lithostratigraphy, A9:5-7
operations, A9:2-3
organic and inorganic geochemistry, A9:41
paleomagnetism, A9:35-37
physical properties, A9:37-39
physical volcanology, A9:12-16
principal results, A1:30-33
site description, A9:1-137

Site 1142, A9:1-137

alteration and weathering, A9:33-35
background and objectives, A9:1-2
coring summary, A9:120-123
igneous petrology and geochemistry, A9:24-30; B1:11-12
operations, A9:3-4
paleomagnetism, A9:35-37
physical properties, A9:39-41
physical volcanology, A9:16-22
principal results, A1:30-33
site description, A9:1-137

Skiff Bank

basement, A1:22-26, 37; B1:12-13, 17
Oligocene-Holocene nannofossil biostratigraphy, B8:1-19
Oligocene-Miocene terrigenous and pelagic sediments, B7:1-31

slickensides

alteration, A9:31, 33-35
basement units, A7:17-18
lithologic units, A7:5

smectite

alteration, A6:52; B15:6-9
photograph, A6:100

sodium, mobility, B15:9-10

sodium oxide

alteration, A7:153
basement units, A6:47; A7:132; A8:18; A9:27
garnet-biotite gneiss, A5:37
lithology, A7:39
vs. depth, A8:65; A9:92
vs. magnesium number, A8:64
vs. magnesium oxide, A9:94

sodium oxide+potassium oxide, vs. silica, A1:58, 71, 80, 88, 98; A4:56; A5:117; A6:132; A7:39, 130; A8:63; A9:91; B1:41; B9:39; B15:5, 13

soft sediment deformation, lithologic units, A3:4-5

sorting, vs. depth, A5:86

Spain, carbon isotopes vs. depth, B4:39

Sphaerocarpaceae, sporomorphs, B3:7

Sphagnaceae, sporomorphs, B3:7

sphenoliths, biogeography, B4:17

spherically focused logs, vs. depth, A8:92

spherulites. See microspherulites

spherulitic bands, basement units, A6:23, 36

spiracles

basement units, A6:45
photograph, A6:119-121

sporangia, kerogen, B3:5-6

sporomorphs

photomicrograph, B3:33-37, 39
quantitative analysis, B3:26
zonation, B3:13, 26, 29

spumellarians, vs. depth, B5:30

stilbite, alteration, B15:7-8

strain rate, vs. viscosity, B14:16

stratification. See cross stratification

stratigraphy, composite section, A1:69-70, 74, 79, 86, 90, 96-97; A3:27; A4:38; A5:66-68; A7:66-67; A8:40; A9:46-47; B3:25; B4:29-31; B8:13

strontium

felsic rocks, A7:41; B1:12
fractionation, A7:41-42
magmas, A7:40
submarine volcanism, B1:19-20

strontium isotopes

basalt, A8:19; B1:13-14
lava, A1:7-8; B1:15, 26-27

strontium-87/strontium-86 ratio

vs. lanthanum/niobium ratio, A1:63
vs. neodymium-143/neodymium-144 ratio, A1:59; B1:45

strontium/zirconium ratio, vs. depth, A1:81; A6:135

structural geology

Site 1136, A4:22-23
Site 1137, A5:43-45
Site 1138, A6:52-53

structures

lava flows, A6:52-53
sediments, A5:46-47

subaerial emplacement, lava flows, A9:22; B1:20, 28

subaerial volcanic environment, basement units, A6:10, 46

Subchron C1r.1n, age models, B9:10

Subchron C2An.1n, age models, B9:10

Subchron C2An.2n, age models, B9:10

Subchron C3n.1n, age models, B9:10

Subchron C5An.1n/C5r.3r reversal, diatoms, B9:12

submarine environment

eruptions, A8:19
hydrothermal activity, B1:19
lava flows, A9:22
lithologic units, A1:29

subophitic texture

basement units, A9:24
photomicrograph, A8:60; A9:83

subsidence

early Paleogene, B7:8-9
lithologic units, A7:8
ocean plateaus, A1:18-19
paleoenvironment, A1:25-26
volcanism, A1:36-38; B1:16-18, 27, 48
vs. age, B7:20
vs. time since emplacement, B1:48

subtrachytic texture, intersertal, photomicrograph, A6:125-126

sulfides, basement units, A7:38

sulfur

basalt, A8:119; B1:17-18, 27
lithologic units, A7:211; A9:41
sediments, A3:18, 59; A4:29, 95; A5:51-53, 200; A6:59, 204; A7:54, 211; A8:27, 118; A9:137; B7:22-23
volcanic rocks, A5:201; A6:205
volcaniclastics and basalt, A4:96
volcanics and volcaniclastics, A7:212

sulfur dioxide

explosive felsic eruptions, B1:19
volcanism, A1:38

sutures, sheared, basement units, A9:21

symplectite

crystal-vitric tuff, A5:34
photomicrograph, A5:110

syntaxial overgrowth, lithologic units, A8:6

T

tantalum

basalt, B1:9
lava, A1:7

Taxodiaceae, Cretaceous, B3:10-11

TC1 reflection, seismic stratigraphy, A3:20

TC3 reflection, seismic stratigraphy, A3:20

tectonics, basement, A1:11-12, 39

temperature

mass susceptibility, B12:21-22
vs. depth, A7:179

tephra, Miocene-Pleistocene, B1:23-24

tephra fall deposits

basement units, A6:23, 35-36
correlation of middle Miocene, B9:42
lithologic units, A7:13-14
morphology and composition, B9:7-8

tephra stratigraphy, geochronology, B9:1-53

tephrachronology, argon-argon age, B9:8-9

terrestrial environment

lithologic units, A1:22
palynomorphs, B3:6-9

terrigenous component, lithologic units, A6:4

terrigenous environment

comparison with volcanic basement, B7:31
Oligocene-Miocene sediments, B7:1-31

Tertiary

nannofossils, A3:7-8
nannofossils and diatoms, A7:10-11
See also Cretaceous/Tertiary boundary

textures

lava flows, A6:184
photomicrograph, A4:47
See also colloform texture; intergranular texture; intersertal texture; ophitic texture; perlitic texture; poikiloblastic texture; porphyroblastic texture; pseudobreccia texture; quench texture; sieve texture; subophitic texture; subtrachytic texture; trachytic texture; variolitic texture; vesicular texture; welded texture; xenoblastic texture

thermal conductivity

interpretation, A5:50-51
lithologic units, A3:17, 58; A4:28, 94; A5:199; A6:203; A7:210; A9:41, 136
lithology, A6:59; A7:53; A8:27, 117
vs. depth, A5:152; A6:158; A7:168; A8:85; A9:118-119

thermal maxima

upper Paleocene, B4:15
See also late Paleocene Thermal Maximum

thermomagnetic curves, Curie temperature, B12:6-7, 16; B13:5, 17

thin sections

lithologic units, A5:176; A6:180
summary, A7:191

tholeiite

chemical composition, A1:80, 88
lava flows, A1:19, 29
lithologic units, A1:21-22

thomsonite, alteration, B15:8

thorium logs, vs. depth, A5:159-160; A7:175-176, 178; A8:92

thorium/niobium ratio

lava, A1:7-8
vs. lanthanum/niobium ratio, A1:61-62

titanium

basalt, A5:35
felsic rocks, A7:41
fractionation, A7:41-42
lava, A1:14
lithologic units, A1:33
magmas, A7:40
vs. depth, A5:121
vs. niobium, A7:138
vs. niobium/yttrium ratio, A7:138
vs. niobium/zirconium ratio, A9:96
vs. vanadium, A4:60
vs. yttrium, A7:138
vs. zirconium, A7:138; A9:95
vs. zirconium/titanium ratio, A7:138
See also zirconium/titanium ratio

titanium oxide

alteration, A7:153
basalt, A5:34-35
basement, A1:35
basement units, A6:48; A7:132; A8:18; A9:27-28
enrichment, A6:48-49
felsic rocks, A7:41
lithologic units, A4:19
magmas, A7:40
vs. depth, A4:59; A6:133; A7:134; A8:65; A9:92
vs. magnesium number, A6:134; A8:64
vs. magnesium oxide, A4:57, A5:118; A6:137; A7:40, 133, 137; A9:94; B1:42
vs. silica, A7:40, 137
See also aluminum oxide/titanium oxide ratio

titanium/zirconium ratio

basement, A1:10
vs. magnesium oxide, A1:64

titanomaghemite

Curie temperature, B12:6-7
demagnetization, A5:148

titanomagnetite

basalts, A4:17-19; A5:31-32
basement units, A7:37-39; A8:18, 24
Curie temperature, B12:6-7
domains, A4:24-26
fractionation, A7:41-42
lithologic units, A1:28
median destructive field, A5:47-48
photomicrograph, A4:47, 54; A5:105, 116; A8:62; A9:85
rock magnetics, B1:24-25

titanomagnetite, altered, photomicrograph, A7:120

titanomagnetite, dendritic, basement units, A6:47

titanomagnetite, skeletal dendritic, photomicrograph, A6:128-129

trace elements

basalt, A1:75-77, 81; A4:19-20, 58; A5:34-36, 119-120, 124, 183-185; A6:136; A7:135; A8:67; A9:97; B1:9, 43-44
basement units, A5:47-48; A7:39, 135-136; A8:110; A9:130
felsic rocks, A5:36-37, 186; A7:136
fractionation, A7:41-42
garnet gneiss, A5:120
igneous rocks, B15:37-39
igneous units, A6:188-189
lithologic units, A4:88
pillow basalt, A8:18
rhyolite, A5:36-37
sediments, B7:5, 24
volcanic rocks, A5:120, 127
vs. zirconium, A9:95
X-ray fluorescence data, A7:198-200

trachyandesite

lithologic units, A1:25
photomicrograph, A7:125
tephra fall deposits, B9:7-8

trachyandesite, aphyric basaltic, basement units, A7:17-18, 22-23

trachyandesite, basaltic

basement units, A7:21-22, 37
tephra fall deposits, B9:7-8

trachyandesite, feldspar phyric, basement units, A7:17-18, 23-24

trachyandesite, plagioclase-phyric basaltic, basement units, A7:22-23

trachyandesite, sanidine-phyric

alteration, A7:44-47
basement units, A7:37
photograph, A7:141-148

trachybasalt

basement units, A7:28-29, 37
lithologic units, A1:32-33
photomicrograph, A7:122

trachybasalt, aphyric, basement units, A7:17-21

trachybasalt, plagioclase-phyric, basement units, A7:19

trachybasalt, vesicular, photograph, A7:140

trachyte

alteration, A7:44-47
basement, A1:35
basement units, A6:23
chemical composition, A1:80; A5:127; A6:132
eruptions, A1:37-38
lithologic units, A1:25; A5:30
photograph, A6:84
photomicrograph, A7:125
tephra fall deposits, B9:7-8
See also quartz trachyte

trachyte, feldspar-phyric, basement units, A7:17, 24

trachyte, porphyritic, clasts, A1:18-19

trachyte, sanidine-clinopyroxene-phyric, basement units, A7:37

trachyte, sanidine-plagioclase-clinopyroxene-phyric, clasts, A5:32

trachyte groundmass, altered feldspathic, photomicrograph, A7:114

trachytic texture

basement units, A7:37-39
photomicrograph, A7:127

transgressions, lithologic units, A6:10

traveltime, vs. depth, A3:42

traveltime, one-way, shotpoints, A8:120

traveltime, two-way, vs. depth, A8:88

tricolpates, pollen, B3:8, 12

tricolporoidates, pollen, B3:8, 12

trilete spores, sporomorphs, B3:7-8

TS reflection, Santonian-Turonian, A6:61

tuff

alteration, B15:6-9
photomicrograph, A5:111, 114

tuff, crystal-vitric

clasts, A5:33-34
geochemistry, A5:36-37
glass shards, A1:18-19; A5:8
lithologic units, A5:19, 27
photograph, A5:73, 137
photomicrograph, A5:91
sedimentary structures, A5:44
vs. depth, A5:138-140

tuff-breccia, altered crystal vitric, basement units, A7:16, 27

tuff-breccia, crystal vitric

photograph, A7:87
photomicrograph, A7:88

Tunisia, carbon isotopes vs. depth, B4:39

turbidity currents, lithologic units, A6:10; A8:7

Turonian

dinocysts, B3:10-13
foraminifers, B1:21-22
lithologic units, A1:34; A6:6-8
planktonic foraminifers, B2:6
reflections, A6:61
See also Cenomanian-Turonian Anoxic Boundary Event; Cenomanian/Turonian boundary; Coniacian-Turonian Anoxic Event; Coniacian-Turonian succession

Turonian, lower

biostratigraphy, A6:11
nannofossils, A6:15-16
planktonic foraminifers, A6:20

Turonian, middle-upper, nannofossils, A6:15

Turonian/Santonian boundary, lithologic units, A4:6

twinning. See Carlsbad twinning

U

unconformities

biostratigraphy, A4:6; A5:10-13
Cretaceous/Tertiary boundary, B4:11-14
Eocene, B4:15-16
lithologic units, A3:4; A5:5
lithology, A5:29
nannofossil biostratigraphy, B4:5, 8-9
Paleocene, B4:14-15
sediments, A1:16
See also disconformities; hiatuses

uranium logs, vs. depth, A5:159-160; A7:175-176, 178; A8:92

V

vanadium

lava, A1:14
lithologic units, A4:19
mobility, B15:9-10
vs. depth, A4:59
vs. titanium, A4:60

variolitic texture

basement rocks, A9:18, 20
photograph, A8:72; A9:62, 102

vein abundance, vs. depth, A6:141

vein dip, vs. frequency, A6:142

veinlets, photograph, A4:65

veins

alteration, A4:21; A5:39-43; A6:50-52; A7:44; A9:31-35
basement units, A7:19, 37; A9:26
distribution vs. true dip, A4:67
lithologic units, A1:25, 31
photograph, A1:91; A4:43, 63-64; A5:131; A7:140, 142, 145; A9:76-77, 79, 103-105
photomicrograph, A5:106; A7:126
structures, A4:22-23
vs. depth, A4:62, 66, A5:128-129, 138-139; A6:140; A9:98-99

veins, calcite

alteration, A8:20-22
photograph, A9:100-106

veins, carbonate

photomicrograph, A8:56
structures, A5:44

veins, clay

structures, A4:22-23
vs. depth, A4:66

veins, dolomite, alteration, A8:20-22

veins, quartz, lithologic units, A4:12

veins, segregation, volcanic glass, A5:34

velocity

coherence function, A5:155
discrete samples, A5:56-58
vs. depth, A5:149-150, 157, 161; A6:155-156, 163; A7:165-166, 172-173; A8:82-83, 89-90; A9:113-115
See also compressional wave velocity; compressional wave velocity/ transverse wave velocity ratio logs

velocity logs

vs. depth, A7:175-178; A8:93-94
See also compressional wave velocity/transverse wave velocity ratio logs

Verwey transition, low-temperature properties, B12:8

vesicle density, vs. depth, A7:94, 96, 107; A8:43, 45, 47-48; A9:50, 53, 57, 60

vesicle size, vs. depth, A7:95, 97, 108

vesicles

alteration, A7:43-47; A9:31-35; B15:6-9
basement units, A6:25-35, 37-46; A7:15-35; A8:13-16; A9:13-16; B14:3-8
distribution, A8:15; A9:128
distribution at base of basement, A4:45
Formation MicroScanner imagery, A5:164
geopetal structures, A5:40
lithologic units, A1:25; A4:11, 14, 18; A5:14-17, 39-43
photograph, A1:91; A4:43-44; A5:77, 79, 81, 131-132, 135; A6:105, 117, 119; A7:105, 140, 142-143; A8:51, 71; A9:51, 55, 59, 100, 103; B14:17-18
vs. depth, A4:46, 62; A5:78, 98, 128-129, 140; A6:140
See also horizontal vesicular zones; megavesicles; microvesicles

vesicles, elongated

basement units, A7:17-19
photograph, A7:93, 101

vesicles, pipe, photograph, A8:44

vesicles, ragged, photograph, A6:97

vesicles, spherical, basement units, A7:22

vesicles, spheroidal, basement units, A6:26, 37-38

vesicles, tube, photomicrograph, A6:87-88

vesicles, vertically elongated, photograph, A6:111

vesicles/matrix ratio, vs. depth, A5:128-129

vesicular texture

lava, A1:14; A4:14-17
lithologic units, A1:31-32

vesicularity

basement units, A5:15-16, 20-22, 26; A6:25-35, 37-46; A7:16-35; A9:13-16, 20-22
lava flows, A8:16
photograph, A7:98-99
vs. depth, A5:78, 81; A7:94, 96, 107; A8:43, 45, 47-48; A9:50, 53, 57, 60

viscosity

lava flows, B14:3-8
vs. strain rate, B14:16

volatiles, volcanism, A1:38; B1:17-18

volcanic ash

alteration, A6:50
basement units, A6:22
lithologic units, A1:23; A5:20; A6:4-5; A7:5, 13-14
tephra fall deposits, B9:7-8

volcanic ash, basaltic, lower Oligocene, A6:35-36

volcanic ash, trachytic, upper Pliocene, A6:35-36

volcanic component

core catcher distribution, A7:194
core catcher samples, A6:185

volcanic glass

alteration, B15:6-9
basalts, A5:31-32
basement units, A8:15, 20-22
lithologic units, A1:28; A4:12-13; A7:7
photograph, A1:91; A4:65; A7:79, 84; A8:71-72; A9:56
photomicrograph, A1:92; A7:80-82, 86; A8:52, 58
See also glass shards

volcanic glass, altered

basalts, A4:17-19
photomicrograph, A4:47; A8:56

volcanic glass, altered perlitic felsic, basement units, A7:15, 26

volcanic glass, brecciated, photograph, A8:59

volcanic rocks

basement units, A9:16-17, 19-20
composition, A1:71-72; B12:24
lithologic units, A1:20, 25; A8:6
trace elements, A5:120

volcanic rocks, alkalic, magmas, A7:40-42

volcanic rocks, disturbed, basement units, A9:17, 20

volcanic rocks, felsic

chemical composition, A5:127
geochemistry, A5:36-37

volcaniclastics

alteration, A6:50-52; A7:42-43
basement, A5:32, 40-43
basement units, A6:22, 24-25, 36-37
eruptions, A1:37
lithologic units, A1:21, 24, 33; A5:177; A6:9, 23, 35, 181; A7:8, 36-39
mass flows, A4:13
photograph, A5:83, 134
photomicrograph, A5:84-85
sediments, A1:16
stratigraphy, A6:82
summary, A4:86; A7:193
vs. depth, A7:139

volcaniclastics, sheared and altered, basement units, A7:15, 26

volcanism

eruptions, A1:23
explosive felsic eruptions, B1:19
igneous provinces, A1:1-101; B1:1-48
oceanic plateaus, A1:36-38
subsidence, A1:36-38; B1:16-18

volcanism, submarine, environmental effects, B1:19-20

volcanology, physical

Site 1136, A4:10-17
Site 1137, A5:13-28
Site 1138, A6:22-46
Site 1139, A7:13-36
Site 1140, A8:12-16
Site 1141, A9:12-16
Site 1142, A9:16-22

W

Walvis Ridge, carbon isotopes vs. depth, B4:38

water

alteration, A7:46, 54, 153; B1:18
basement units, A7:132
explosive felsic eruptions, B1:19
lithology, A7:39
vs. depth, A7:131

weathering

Cenomanian/Turonian boundary, A6:10
igneous rocks, A4:20-21; A7:42-47
Site 1137, A5:38-43
Site 1138, A6:49-52
Site 1139, A7:42-47
Site 1140, A8:19-22
Site 1141, A9:30-33
Site 1142, A9:33-35

weathering rinds, lithologic units, A5:7

welded lobes, photograph, A6:109

welded margins

lithologic units, A5:19-20
photograph, A7:100

welded texture

basement units, A7:26-27
photograph, A7:141

welding zones, emplacement, A7:35-36

well-logging

felsic rocks, A7:56-58
interpretation, A9:80, 86
summary, A5:202; A7:213; A8:121

Wharton Basin, Cretaceous, A1:30-33

winnowing, lithologic units, A8:7

wood fragments

biostratigraphy, A6:22
kerogen, B3:5-6
lithologic units, A6:8-9
photograph, A6:77-78

worm tubes, serpulid

lithologic units, A6:7-8
photograph, A6:73, 75-76

X

X-ray diffraction data

lithologic units, A3:6, 51; A4:85; A5:175; A6:178-179; A7:190; A9:125
lithology, A8:107
secondary minerals, A9:131
sediments, B7:5, 25

X-ray fluorescence data

basement units, A7:198-200; A8:110; A9:130
igneous units, A6:188-189

xenoblastic texture, clasts, A5:33

xenocrysts

basement units, A7:18
photomicrograph, A7:119, 122

xenoliths

lava, A1:14
microgabbro, A4:18-19; A5:34
photomicrograph, A4:52; A5:102

Y

yttrium

basalt, A5:34-35
basalt alteration, B15:5, 14
basement units, A6:48
clinopyroxene, A6:49
felsic rocks, A7:41
lava, A1:14
lithologic units, A4:19
mobility, B15:9-10
volcanic rocks, A7:41
vs. depth, A5:121
vs. niobium, A1:75; A4:60; A5:123
vs. titanium, A7:138
vs. zirconium, A1:75, A5:123; A9:95
See also niobium/yttrium ratio; zirconium/yttrium ratio

Z

zeolites

alteration, A6:50-52; A9:31-35; B15:6-9
basement units, A6:47
lithologic units, A4:12-14; A5:38-43
microprobe data, B15:35
photograph, A4:43, 65; A5:132, 135-136; A9:101
pseudomorphs, A5:31
secondary minerals, A1:14; A4:20-21
vs. depth, A4:62; A5:128-129, 138-139; A6:140; A8:70; A9:98-99
See also clinoptilolite; heulandite

zircon

crystal-vitric tuff, A5:34
garnet-biotite clasts, B1:9
photomicrograph, A5:116

zirconium

basalt, A5:34-35
basalt alteration, B15:5, 14
basement units, A6:48; A7:132; A8:18; A9:27-28
continental component, A4:20
felsic rocks, A7:41
felsic volcanic rocks, A5:36-37
fractionation, A7:41-42
lava, A1:14
lithologic units, A1:29, 33; A4:19
lithology, A7:39
magmas, A7:40
mobility, B15:9-10
vs. depth, A1:81; A4:59; A5:121; A6:135; A8:66
vs. nickel, A1:94
vs. niobium, A1:75, 93; A5:123; A7:133; A8:68
vs. niobium/zirconium ratio, A9:96
vs. titanium, A7:138
vs. trace elements, A9:95
vs. yttrium, A1:75; A5:123
vs. zirconium/titanium ratio, A1:72, 93; A4:61; A5:125; A6:138; A8:19, 68
See also niobium/zirconium ratio; strontium/zirconium ratio; titanium/zirconium ratio

zirconium/titanium ratio

basalt, A6:49
basement, A1:17, 19, 35
basement units, A6:48; A8:18
continental component, A4:20
lava, A1:15
vs. depth, A1:81; A6:135; A8:66; A9:93
vs. niobium/zirconium ratio, A9:96
vs. titanium, A7:138
vs. zirconium, A1:72, 93; A4:61; A5:125; A6:138; A8:19, 68

zirconium/yttrium ratio

basalt, A5:35-37
basement, A1:17, 19, 35-36; A5:126
basement units, A6:48; A7:41; A8:18; A9:27-29
continental component, A4:20
felsic volcanic rocks, A5:36-37
garnet-biotite gneiss, A5:37
lithologic units, A1:22, 29
vs. depth, A1:81; A5:122; A6:135; A8:66; A9:93
vs. niobium/cerium ratio, A1:72; A4:61; A5:125
vs. niobium/yttrium ratio, A1:76, 82-84; A5:126; A6:49, 139; A8:19, 69
vs. niobium/zirconium ratio, A1:72; A4:61; A5:125; A7:133, 138; A9:96

zonation

diatom age assignments, B6:16
diatoms, B9:6-7, 12-13, 37-38
Oligocene-Holocene nannofossils, B8:2-3
Oligocene-Miocene diatoms, B6:13
photomicrograph, A7:121; A8:53-54
silicoflagellates, B11:3-5
sporomorphs, B3:13

Zoophycos

lithologic units, A7:5-6
sediments, A8:5