SUBJECT INDEX
A
-
Acinetobacter junii, microbial populations, B6:6, 10
-
actinolite, alteration, A13:10; B1:7–8
-
high-temperature alteration, B5:8
-
lithologic units, A13:3–4
-
petrography, A13:5
-
photomicrograph, A13:16, 20–21, 29, 31; B5:21
-
scanning electron backscattered electron images, B7:20
-
actinolite, fibrous
-
alteration, A1:11
-
photomicrograph, A13:30
-
age, vs. natural remanent magnetization, B7:14
-
aggregates, basalt, A1:9
-
albite, alteration, A13:8; B1:7–8
-
albite twinning, petrography, A12:4; A15:5
-
alteration
-
basalt, A1:9–11; A15:7–9; B1:6–9
-
correlation coefficients, B5:27–29
-
geochemistry, B5:8–11, 25
-
greenschist facies, A13:7–8
-
isocon plots, B1:28
-
mass change terms and alteration intensity, B5:26
-
photograph, A11:26; A13:33
-
photomicrograph, A4:9; A7:18, 25; A9:19; A12:23–24
-
pillow basalt, A4:3–4; A5:3–4
-
remanent magnetization, B7:8
-
Site 1152, A3:7–8
-
Site 1153, A4:3–4
-
Site 1154, A5:3–4
-
Site 1155, A6:5–7
-
Site 1156, A7:5–8
-
Site 1157, A8:7–8
-
Site 1158, A9:5–7
-
Site 1159, A10:3–4
-
Site 1160, A11:7–10
-
Site 1161, A12:8–9
-
Site 1162, A13:7–11
-
Site 1163, A14:4–5
-
Site 1164, A15:7–9
-
See also halos; hydrothermal alteration; maghemitization; oxidation; palagonitization; recrystallization
-
alteration, high-temperature, greenschist facies, B5:8
-
alteration, low-temperature
-
basalt, A1:9–10; A6:5–7; A13:9–10; A15:8–9; B5:1–29
-
lithologic units, A7:5–8
-
pillow basalt, A5:2–3
-
alteration facies, composition, A11:8–10
-
alteration Facies I, composition, A11:8–9
-
alteration Facies II
-
composition, A11:9–10
-
photograph, A11:16
-
alteration front
-
photograph, A1:36; A3:20
-
photomicrograph, A1:37, 39; A6:29
-
aluminum, alteration, B5:9
-
aluminum oxide
-
alteration, B1:7–8
-
basalt, A3:10; A6:10–11; A7:11; A8:11; A9:8–10; A10:5–6; A11:12–13; A13:14
-
melting regime, B1:14–15
-
vs. magnesium oxide, A3:24; A4:17; A5:17; A6:36; A7:33; A8:51; A9:21; A10:24; A11:35; A12:41; A13:41; A14:28; A15:42; B1:35
-
See also calcium oxide/aluminum oxide ratio
-
anorthite, composition, B2:4
-
aragonite, photomicrograph, A6:28; B5:19
-
Australian Antarctic Depth Anomaly
-
dynamics, B1:18–21
-
evolution, B1:1–40
-
origin, B1:2–3
-
Australian Antarctic Discordance
-
dynamics and origin, B1:16–19
-
evolution, B1:1–40
-
geology, A1:1–49
-
lead-206/lead-204 ratio vs. longitude, A1:41
-
mantle heterogeneity, B3:1–24
-
petrogenesis, B2:23
-
Australian Antarctic Discordance Segment 4, mantle domains, A14:8
-
Australian Antarctic Discordance Segment 5, mantle domains, A15:11–12
-
Australian Antarctic Discordance Segment B4, domain distribution, A1:14
-
Australian Antarctic Discordance Segment B5, domain distribution, A1:14
-
Australian Antarctic Mantle Anomaly, origin, B1:2–3
B
-
Bacillus/Clostridium group, microbial populations, B1:6; B6:7
-
bacteria, iron-oxidizing, microbial populations, B6:8
-
barium
-
basalt, A1:12; A6:10–12; A7:11; A8:11; A11:13; A12:11; A14:8
-
geochemical signals, B1:16–19
-
isotopic boundary, B1:4–5
-
mantle domains, A1:13; A13:14
-
pillow basalt, A4:6–7; A5:7
-
vs. lanthanum, B1:36
-
vs. magnesium oxide, A3:25; A4:18; A5:18; A6:37; A7:34; A8:52; A9:22; A10:25; A11:36; A12:42; A13:42; A14:29; A15:43
-
vs. zirconium, B1:36
-
vs. zirconium/barium ratio, A1:4–5, 43–44; A3:26; A4:19; A5:19; A6:38; A7:35; A8:53; A9:23; A10:26; A11:37; A12:43; A13:43; A14:30; A15:44; B1:32
-
Zone A, A8:12
-
See also zirconium/barium ratio
-
barium/zirconium ratio, mantle domains, A4:7; A5:7
-
basalt
-
abundance in breccia, A7:27
-
alteration, A3:7–8; A8:8; A14:4–5; A15:7–9; B1:6–9
-
geochemistry, A3:31; A4:22; A5:22; A6:41–42; A7:38–39; A8:56; A9:26; A10:29; A11:41–42; A12:47; A13:46; A14:33; A15:48
-
low-temperature alteration, A13:9–10; B3:1–29
-
magnetic properties, B1:9–10; B7:1–25
-
mantle heterogeneity, B3:2–4
-
microbial populations, B6:1–27
-
petrogenesis, B2:23
-
petrography, A1:8–9; A8:5–6; A12:6–7; B2:13–15
-
petrology and geochemistry, B1:10–19
-
photograph, A4:12; A7:28, 30; A8:33, 39; A10:13; A11:22–24; A14:19–21, 24
-
photomicrograph, A8:42; A9:18; A14:22
-
See also clay/basalt contact; pillow basalt
-
basalt, altered, abundance, A15:46
-
basalt, aphyric
-
lithologic units, A3:4–6; A6:4–5; A8:3–7; A9:3–5; A10:2–3; A11:3–4; A12:3–8; A14:3–4; A15:3–7
-
petrography, A13:4–6; A15:5–6
-
photograph, A4:11; A11:20; A12:15, 18, 25, 29; A14:10–11, 23; A15:13, 20–21, 28–30
-
photomicrograph, A8:16; A12:23, 27; A14:13–16; A15:31, 36
-
basalt, aphyric massive, lithologic units, A11:4–5
-
basalt, holocrystalline, photograph, A3:14
-
basalt, massive
-
petrology, A1:7
-
photograph, A1:23; A11:16, 29
-
photomicrograph, A11:31
-
basalt, microcrystalline aphyric
-
petrography, A12:7
-
photograph, A1:27
-
basalt, phyric
-
lithologic units, A12:7–8
-
petrography, A13:4–6
-
photograph, A1:36
-
basalt, plagioclase phyric, lithologic units, A13:4
-
basalt, plagioclase–olivine aphyric, photograph, A12:14
-
basalt, plagioclase–olivine phyric
-
lithologic units, A6:3–5; A7:4–5; A8:3–7; A9:3–5; A11:5–6; A12:3–8; A14:3; A15:4–7
-
petrography, A12:3–8; A13:4–6; A15:4–6
-
photograph, A1:31; A8:24, 27, 31; A12:13, 16–17, 20, 26; A13:24, 33; A15:18, 22
-
photomicrograph, A12:28; A15:35
-
basement, lithologic units, A15:3–7
-
bathymetry, residual depth anomaly, A1:46
-
bedding, dip, A8:10
-
biodegradation, volcanic glass, A6:30
-
biosphere, subsurface
-
exploration, A1:5
-
microbial populations, B1:5–6
-
box texture
-
lithologic units, A9:3–5
-
photomicrograph, A9:12–14
-
breccia
-
alteration, A1:10
-
calcite and basalt abundance, A7:27
-
high-temperature alteration, B5:8
-
lithologic units, A12:3–8; A14:4
-
petrography, A8:4–5; A12:5–8
-
petrology, A1:8
-
photograph, A15:20–21
-
breccia, basalt–carbonate, lithologic units, A8:3–7
-
breccia, basaltic
-
alteration, A12:8–9
-
lithologic units, A15:4–7
-
petrography, A15:6–7
-
photograph, A1:25; A7:30; A8:14; A12:21, 29, 32, 34; A15:28–30
-
photomicrograph, A12:22, 24, 27–28, 30, 33; A15:31–32, 39
-
breccia, calcareous, photomicrograph, A8:21–23
-
breccia, calcareous-clay cemented hyaloclastite, photograph, A14:10
-
breccia, calcite-cemented basaltic, photograph, A14:17–18
-
breccia, carbonate-cemented basalt, photograph, A7:17
-
breccia, dolomite-cemented basalt
-
lithologic units, A13:4–7
-
petrology, A1:8
-
photograph, A13:34, 36
-
photomicrograph, A13:22–23
-
breccia, glass-rich, photograph, A12:31
-
breccia, hyaloclastite, photograph, A10:7
-
breccia, posteruptive carbonate-cemented, petrology, A1:8
-
breccia, talus, lithologic units, A7:3–5
-
breccia, volcanic, petrology, A1:8
-
brecciation
-
lithologic units, A7:4–5
-
photograph, A7:28
-
brittle deformation, alteration, A13:9
C
-
calcarenite
-
lithologic units, A14:4
-
petrography, A8:4–5
-
photograph, A8:18
-
photomicrograph, A8:20
-
calcite
-
alteration, A4:3–4; A8:7–8; A11:8–10; A12:8–9; A14:4–5; A15:7; B5:7
-
alteration generations, A7:5–8
-
petrography, A8:4–6
-
photograph, A4:12; A7:22; A11:24, 29–30; A14:10
-
photomicrograph, A6:16, 23, 26; A8:15, 20, 46; A15:14, 17, 26, 33–34; B5:16, 18, 19
-
precipitation, A8:8
-
calcite, cryptocrystalline, alteration, A1:11
-
calcite, first–second generations, abundance, A7:27
-
calcite, high-magnesium, geochemistry, A13:14
-
calcite, micritic
-
abundance in breccia, A7:27
-
petrography, A8:7
-
photograph, A6:26–27; A7:17, 20–21, 28; A8:19, 33
-
photomicrograph, A6:27; A8:37; A14:22
-
calcite, recrystallized, photomicrograph, A8:36–37, 40
-
calcite, secondary, petrography, A8:4
-
calcite, sparry
-
alteration, A11:9–10
-
petrography, A8:7
-
photograph, A6:26; A7:20; A14:21
-
photomicrograph, A8:37–38, 40; A14:22
-
calcium oxide
-
alteration, B1:7–8
-
basalt, A3:10; A7:11; A10:5–6; A13:14
-
melting regime, B1:14–15
-
pillow basalt, A4:7
-
vs. magnesium oxide, A3:24; A4:17; A5:17; A6:36; A7:33; A8:51; A9:21; A10:24; A11:35; A12:41; A13:41; A14:28; A15:42; B1:35
-
calcium oxide/aluminum oxide ratio
-
basalt, A3:10; A6:11; A8:11; A9:8–10; A11:12–13; A12:11; A14:7–8
-
olivine, B2:5
-
pillow basalt, A5:7
-
vs. magnesium oxide, A3:24; A4:17; A5:17; A6:36; A7:33; A8:51; A9:21; A10:24; A11:35; A12:41; A13:41; A14:28; A15:42; B1:35; B2:20
-
Zone A, A8:12
-
carbon dioxide
-
enrichment cultures, B6:6
-
submarine basaltic volcanic glass, B4:3
-
vs. water content, B5:6
-
carbonate compensation depth, sediments, A4:6
-
carbonates, alteration, A4:3–4
-
carbonates, micritic, lithologic units, A7:3–5
-
cataclasite
-
alteration, A1:11; A13:8–9
-
lithologic units, A13:4
-
petrography, A13:5
-
cataclasite, basaltic, photograph, A13:32, 38
-
cavities, calcite-filled, photograph, A4:11
-
cavities, lithologic units, A13:6
-
cavities, miarolitic
-
lithologic units, A14:3
-
petrography, A8:4–6; A15:5–6
-
photomicrograph, A8:15, 28–29; A12:17; A14:15; A15:25–26
-
cesium, alteration, B1:8
-
chalcopyrite
-
alteration, A12:9
-
photomicrograph, A12:40
-
chilled margin
-
alteration, A9:6–7; A11:9–10; A12:8–9; A13:10–11; B5:7
-
lithologic units, A9:3–5; A10:2–3; A11:4–7; A13:3–7; A14:3; A15:4–7
-
petrography, A8:4–6; A12:5; A15:6
-
photograph, A1:22; A1:34; A3:14; A8:14, 31; A10:8, 17; A12:20, 22, 29, 37; A13:36; A14:9–10, 16; A15:18, 27, 30
-
photomicrograph, A12:27–28, 30; A13:16, 22
-
pillow basalt, A4:3; A5:3
-
chilled margin, glassy, photomicrograph, A8:30
-
chilled margin, spherulitic, photograph, A8:17, 19
-
chloride
-
submarine basaltic volcanic glass, B4:3–4
-
vs. potassium, B4:7
-
chloride/potassium ratio, submarine basaltic volcanic glass, B4:4
-
chlorite
-
alteration, A1:11; A11:9–10; A13:8–11; B1:7–8
-
high-temperature alteration, B5:8
-
lithologic units, A13:3–4
-
petrography, A13:5
-
photograph, A11:16, 29
-
photomicrograph, A8:36; A11:28; A13:16, 21, 25, 27, 29
-
chlorite layers, dolomite, A13:9
-
chrome spinel
-
basalt, A1:8–9
-
lithologic units, A6:4
-
petrography, A15:5
-
photomicrograph, A6:19–20
-
chromium
-
basalt, A3:9; A6:10–11; A7:11; A8:11; A9:8; A10:5; A11:12; A14:7; A15:11
-
vs. magnesium oxide, A3:25; A4:18; A5:18; A6:37; A7:34; A8:52; A9:22; A10:25; A11:36; A12:42; A13:42; A14:29; A15:43
-
chromium oxide, alteration, B5:10
-
clast/matrix ratio, breccia, A13:9–10
-
clast matrix, petrography, A13:6
-
clasts
-
alteration, A12:8–9
-
high-temperature alteration, B5:8
-
lithologic units, A13:4–7
-
petrography, A13:4–6
-
photograph, A10:7; A15:20
-
photomicrograph, A8:21
-
clasts, altered basaltic, photomicrograph, A13:22
-
clasts, aphyric pillow basalt, photograph, A15:27
-
clasts, basalt
-
lithologic units, A13:6–7
-
petrography, A12:5–7
-
photograph, A1:25–26; A7:13, 20–21; A8:14; A12:22, 32; A14:10, 17–18; A15:21
-
photomicrograph, A8:41; A12:27–28, 30, 33, 36; A13:37
-
summary, A12:45
-
clasts, basalt–micritic limestone, lithologic units, A7:4–5
-
clasts, basaltic glass, photograph, A12:32
-
clasts, basaltic rubble, petrography, A8:3–4; A12:3–4
-
clasts, breccia
-
alteration, A1:11; A13:7–8
-
lithologic units, A8:3–7; A12:7–8
-
clasts, calcite, photograph, A7:22
-
clasts, clay
-
photograph, A12:29
-
photomicrograph, A12:27
-
clasts, epidote, lithologic units, A13:4
-
clasts, feldspar, photograph, A12:22
-
clasts, glassy basalt, photograph, A12:34
-
clasts, lithic
-
alteration, A14:4–5
-
petrography, A15:6–7
-
photograph, A14:21
-
photomicrograph, A8:38
-
clasts, palagonite
-
lithologic units, A7:4
-
petrography, A12:5–6
-
photograph, A7:20; A12:29; A13:34
-
photomicrograph, A8:22–23; A12:36; A13:23
-
clasts, plagioclase–olivine phyric basalt, photograph, A8:18
-
clasts, polymict basalt, lithologic units, A7:3–5
-
clasts, volcanic glass, petrography, A12:5–6
-
clay
-
alteration, A5:4; A8:7–8; A10:3–4; A11:7–10; A12:8–9; A13:10–11; A14:4–5; A15:8–9; B1:7–8
-
composition, A7:9–10; A9:8; A14:6–7; A15:10
-
lithologic units, A11:4–7; A15:3–7
-
petrography, A8:3–4, 7; A13:5
-
photograph, A8:19, 32; A10:7, 13, 17–18; A12:34, 37, 39; A13:36; A14:10; A15:30, 35, 37
-
photomicrograph, A8:20, 29, 34–36; A10:10–11, 14–15; A11:28; A12:18, 22, 33, 35; A13:19; A14:13–15; A15:32, 36
-
pillow basalt, A5:3
-
Sedimentary Unit A, A4:5
-
sediments, A5:6
-
clay, calcareous, lithology, A6:9
-
clay, carbonate-rich, composition, A10:5; A11:11–12; A15:10
-
clay, micritic, photograph, A14:24
-
clay, siliceous
-
composition, A8:10–11; A12:10; A13:13
-
lithology, A6:8–9
-
clay, silty
-
composition, A11:11–12
-
sediments, A5:6
-
clay/basalt contact, photomicrograph, A8:35
-
clay minerals, alteration, A1:10
-
cleavage planes, photomicrograph, A9:19
-
clinopyroxene
-
alteration, A7:5–8; A13:8–11
-
basalt, A1:8–9
-
lithologic units, A3:5–6; A6:4–5; A9:4–5; A11:4–7; A14:3; A15:3–7
-
mid-ocean ridge basalt, B2:4
-
petrography, A12:4; A13:5
-
photomicrograph, A1:32; A3:15, 18; A7:25; A8:29; A9:16, 19; A11:14, 25; A12:17–18; A13:20–21, 27, 30, 35; A14:14; A15:14, 16, 25–26; B5:21
-
pillow basalt, A5:3
-
scanning electron backscattered electron images, B7:20
-
clinopyroxene, anhedral
-
petrography, A8:3–4
-
photomicrograph, A3:16; A5:13
-
clinopyroxene, elongate, photomicrograph, A8:28
-
clinopyroxene, euhedral, photomicrograph, A8:15; A14:15
-
clinopyroxene, granular, lithologic units, A11:4–5
-
clinopyroxene microphenocrysts, euhedral, photomicrograph, A15:15
-
clinopyroxene phenocrysts
-
alteration, B5:7
-
basalt, A1:8–9
-
petrography, A8:6
-
coercivity
-
basalt, B7:6
-
hysteresis ratios, B7:19
-
color, sediments, A6:35; A8:50
-
concretions
-
alteration, A8:7
-
photograph, A12:21
-
photomicrograph, A8:20
-
contamination tracers, microbial populations, B6:8, 27
-
cooling curves, mid-ocean ridge basalt, B7:4–9
-
cooling joints, lithologic units, A11:4
-
coring, summary, A1:47
-
correlation coefficients, alteration, B5:27–29
-
cracks
-
photograph, A12:39; A13:36
-
photomicrograph, A9:19; A12:19
-
See also microcracks; shrinkage cracks
-
crystal fractionation, olivine, B1:14
-
cummingtonite, photomicrograph, A13:20, 30
-
Curie temperature
-
mid-ocean ridge basalt, B7:4–9
-
vs. natural remanent magnetization, B7:15
-
Cytophaga/Flavobacterium/Bacteroides group, microbial populations, B1:6; B6:7, 14–15, 17
D
-
Day plot, basalt, B7:6–7
-
deformation
-
basalt, A6:7–8
-
See also brittle deformation
-
demagnetization, alternating-field, basalt, B7:6, 17
-
demagnetization, thermal, mid-ocean ridge basalt, B7:4–9, 17
-
dendrites
-
alteration, A15:7–8
-
lithologic units, A13:6
-
photomicrograph, A6:29–30
-
dendritic texture, alteration, A7:5–8
-
depth anomalies, residual
-
bathymetry, A1:46; B3:15
-
isotopes, B3:5–6
-
diabase
-
alteration, A1:11; A9:6–7
-
lithologic units, A9:5
-
photomicrograph, A9:17, 19
-
dip, bedding, A8:10
-
dissolution, petrography, A8:7
-
DNA bands, microbial populations, B6:6–8, 13
-
dolomite
-
alteration, B5:7
-
geochemistry, A13:14
-
lithologic units, A13:6
-
matrix, A13:7
-
photograph, A13:34
-
photomicrograph, A13:22–23, 37
-
domain structure, basalt, B7:6
-
Dredge 10, mantle domains, B1:11–12
E
-
enrichment cultures, rocks, A3:30; A4:21; A5:21; A6:40; A7:37; A8:55; A9:25; A10:28; A11:40; A12:46; A13:45; A14:32; A15:47; B6:3–4
-
enstatite, composition, B2:4
-
entrainment model, mantle, B1:16–19
-
epidote, lithologic units, A13:4
F
-
fluid inclusions, lithologic units, A7:5
-
fracture + vein density
-
basalt, A6:7–8; A7:9; A8:9; A11:10; A13:12; A14:6; A15:7
-
hole core section, A7:29; A8:47; A14:25
-
fracture fillings
-
127°E Fracture Zone, mantle domains, B1:12, 18, 20–21; B3:5–10
-
alteration, A4:3–4; A7:5–8; B1:7–8; B5:7, 11
-
lithologic units, A6:5
-
petrology, A1:7–8
-
photograph, A1:24, 34–35; A6:14–15; A10:17; A11:29
-
photomicrograph, A11:28
-
fracture zones, mantle, B1:26
-
fractures
-
alteration, A6:5–6; A8:8; A9:7; A10:3–4; A14:4–5
-
basalt, A6:7–8; A7:9; A11:10
-
microbial populations, B6:9–10
-
photograph, A5:14; A6:24; A7:23; A11:22; A12:37, 39; A14:19, 24; A15:27
-
photomicrograph, A7:24; B5:20
-
structure, A13:12; A14:5–6
G
-
gabbro, alteration, A1:11
-
gamma Proteobacteria, microbial populations, B1:7; B6:6–10, 14–19
-
geochemical signals, entrainment model, B1:16–19
-
geochemistry
-
basalt, B1:10–19
-
Site 1152, A3:9–11
-
Site 1153, A4:6–7
-
Site 1154, A5:6–7
-
Site 1155, A6:9–12
-
Site 1156, A7:10–12
-
Site 1157, A8:10–12
-
Site 1158, A9:8–10
-
Site 1159, A10:5–6
-
Site 1160, A11:12–13
-
Site 1161, A12:10–11
-
Site 1162, A13:14
-
Site 1163, A14:7–8
-
Site 1164, A15:11–12
-
glass rinds
-
alteration, A4:4; A7:5–8; A11:7–10
-
lithologic units, A3:5–8; A9:3–5; A14:3–4
-
photograph, A14:9; A15:27
-
pillow basalt, A4:3; A5:2–3
-
glass shards
-
alteration, A15:9
-
petrography, A8:5
-
photomicrograph, A8:21, 38; A15:38–39
-
glomerocrysts
-
basalt, A1:9
-
lithologic units, A3:5–6; A6:3–5; A7:5; A9:3–5; A11:3–7; A14:4
-
petrography, A8:5–6; A12:3–8; A15:4–6
-
photomicrograph, A1:29; A7:16; A11:19; A14:12, 16; A15:24
-
glomerocrysts, olivine, photomicrograph, A9:15
-
glomerocrysts, plagioclase + olivine, photomicrograph, A8:25
-
glomerocrysts, plagioclase, photomicrograph, A13:19
-
Gondwana, lava, B1:19–21
-
grain size, groundmass, A9:5
-
gravity maps, satellite, mantle, B1:26
-
greenschist facies
-
alteration, A1:11; A13:7–8
-
high-temperature alteration, B5:8
-
lithologic units, A13:3–4
-
groundmass
-
alteration, A1:9–10; B5:7
-
basalt, A1:9
-
grain size, A9:5
-
lithologic units, A3:5–7
-
pillow basalt, A4:3
-
groundmass, intersertal, photomicrograph, A5:13
H
-
hafnium
-
vs. distance, B3:17
-
vs. lead isotopes, B3:19
-
See also lutetium/hafnium ratio
-
hafnium isotopes
-
depth anomalies, B3:6–7
-
mantle domains, B1:13
-
values relative to Indian Ocean mid-ocean ridge basalt mantle/Pacific Ocean mid-ocean ridge basalt mantle boundary, B1:38
-
vs. lead isotopes, B1:33
-
vs. neodymium isotopes, B1:34
-
halos
-
alteration, A1:9–10; A6:5–6; A7:5–8; A8:8; A11:7–10; A12:8–9; A14:5; A15:8–9
-
basalt, A10:3–4
-
lithologic units, A7:4–5
-
petrography, A15:6–7
-
photograph, A1:40; A5:14; A7:17, 20, 23; A8:19, 39; A10:12; A11:20, 22, 26, 30; A12:29, 38; A14:18–21, 23–24
-
photomicrograph, A1:37; A7:26; A11:28; A12:27; B1:27; B5:19
-
pillow basalt, A5:3–4
-
halos, concentric, photograph, A1:36; A3:20
-
hematite
-
alteration, A12:9
-
photomicrograph, A12:40
-
honeycomb texture, sediments, A8:10
-
hyaloclastite
-
alteration, A7:5–8; A10:4
-
lithologic units, A14:4
-
photograph, A10:18
-
hydrogen sulfide, enrichment cultures, B6:25–26
-
hydrothermal alteration, mineral assemblages, A13:10
-
hysteresis loops, basalt, B7:6–7, 18
-
hysteresis ratios, mid-ocean ridge basalt, B7:19
I
-
iddingsite
-
alteration, A5:4
-
lithologic units, A6:4–5
-
igneous petrology
-
basalt, B1:10–19
-
mantle domains, A1:48–49
-
review, A1:6–9
-
Site 1152, A3:4–7
-
Site 1153, A4:3
-
Site 1154, A5:2–3
-
Site 1155, A6:3–5
-
Site 1156, A7:3–5
-
Site 1157, A8:2–7
-
Site 1158, A9:3–5
-
Site 1159, A10:2–3
-
Site 1160, A11:3–7
-
Site 1161, A12:3–8
-
Site 1162, A13:3–7
-
Site 1163, A14:2–4
-
Site 1164, A15:2–7
-
inclusions
-
lithologic units, A11:6–7; A13:3–4
-
photomicrograph, A11:18; A12:16; A13:17
-
See also melt inclusions
-
Indian Ocean mid-ocean ridge basalt mantle isotopic province
-
domain distribution, A1:14–16
-
magnesium oxide vs. sodium oxide/titanium oxide ratio, A1:43–44
-
mantle, B1:3–4
-
zirconium/barium ratio vs. barium, A1:43–44
-
Indian Ocean mid-ocean ridge basalt mantle isotopic province/Pacific Ocean mid-ocean ridge ocean mantle isotopic province boundary
-
evolution, B1:1–40
-
geology, A1:3–4
-
hafnium isotopes, B1:38
-
location, B1:13–14
-
mantle, B1:18–19
-
mantle flow, B1:3–4
-
Indian Ocean mid-ocean ridge basalt sources, depth anomalies, B3:5–10
-
intergranular texture
-
lithologic units, A11:5
-
photograph, A11:16
-
photomicrograph, A11:17; A12:18
-
intersertal texture
-
lithologic units, A3:5–6; A6:5; A14:4
-
petrography, A8:3–4
-
photomicrograph, A6:16–17, 20
-
pillow basalt, A4:3
-
iron, pillow basalt, A4:7
-
iron8, vs. Na8, B1:38
-
iron ions, enrichment cultures, B6:25–26
-
iron oxide
-
alteration, B1:7–8
-
basalt, A3:10; A6:10–11; A7:11; A9:8–10; A10:5–6; A15:11
-
melting regime, B1:14–15
-
olivine, B2:5
-
pillow basalt, A4:7; A5:7
-
vs. magnesium oxide, A3:24; A4:17; A5:17; A6:36; A7:33; A8:51; A9:21; A10:24; A11:35; A12:41; A13:41; A14:28; A15:42; B2:20
-
iron oxide, fractionation-corrected, vs. fractionation-corrected sodium oxide, B1:37
-
iron oxide/magnesium oxide ratio, olivine, B2:6
-
iron oxyhydroxide
-
alteration, A1:10; A3:7–8; A4:3–4; A5:4; A6:5–6; A7:5–8; A8:7–8; A10:4; A11:7–10; A12:8–9; A13:10–11; A15:8–9; B1:7–8
-
lithologic units, A3:5–6; A6:4–5; A9:4–5; A11:4–7; A15:3–7
-
petrography, A8:3–6
-
photograph, A1:35, 40; A4:13; A8:39; A10:13; A11:30; A15:37
-
photomicrograph, A1:37, 39; A4:9; A6:31; A7:18, 25–26; A8:29, 35–36; A10:10–11, 15; A11:15, 25; A12:18; A13:25, 35; A14:13; A15:35–36
-
pillow basalt, A4:3; A5:3
-
See also manganese–iron oxyhydroxide
-
iron staining
-
lithologic units, A13:6
-
photomicrograph, A7:24; A9:19; A11:25; A14:13; B5:20
-
iron sulfide, scanning electron backscattered electron images, B7:20
-
iron–titanium oxide
-
magnetic properties, B1:9–10
-
photomicrograph, A8:28; A12:17; A15:25
-
scanning electron backscattered electron images, B7:20–21
-
isochrons, mantle domains, A1:45
-
isocon plots, alteration, B1:28; B5:22
-
isotopic boundary
-
configuration, A1:21
-
geology, A1:3–4
-
location, B1:4–5
-
maps, A1:19
-
migration, B1:3–4
-
isotopic signatures
-
mantle domains, B1:10–14; B2:8–9
-
See also transitional mid-ocean ridge basalt mantle isotopic signatures
L
-
lamellar texture, basalt, B7:7
-
lanthanum
-
vs. barium, B1:36
-
vs. lanthanum/samarium ratio, B1:36
-
vs. samarium, B1:36
-
lanthanum/samarium ratio, vs. lanthanum, B1:36
-
lava
-
lead isotopes, B3:8
-
mid-ocean ridge basalt, A1:3–49
-
See also pillow basalt; pillow lava
-
lead isotopes
-
along-axis profiles, A1:20
-
alteration, B1:8
-
basalt, B1:30
-
depth anomalies, B3:6–7
-
lava, B3:8
-
mantle domains, B1:10–12
-
mid-ocean ridge basalt, A1:3–5, 12
-
vs. distance, B3:17, 21
-
vs. hafnium, B3:19
-
vs. hafnium isotopes, B1:33
-
vs. neodymium isotopes, B1:33
-
lead-204. See lead-206/lead-204 ratio; lead-207/lead-204 ratio; lead-208/lead-204 ratio
-
lead-206/lead-204 ratio
-
along-axis profiles, A1:20
-
vs. lead-208/lead-204 ratio, B1:30–31
-
vs. longitude, A1:41
-
vs. zirconium/barium ratio, A1:41
-
lead-207/lead-204 ratio, along-axis profiles, A1:20
-
lead-208/lead-204 ratio
-
along-axis profiles, A1:20
-
vs. lead-206/lead-204 ratio, B1:30–31
-
limestone, micritic
-
lithologic units, A7:3–5
-
photograph, A1:24; A6:14
-
lithologic units
-
Site 1152, A3:4–7, 28
-
Site 1155, A6:3–5
-
Site 1156, A7:3–5
-
Site 1157, A8:3–7
-
Site 1158, A9:5
-
Site 1160, A11:3–7
-
Site 1161, A12:3–9
-
Site 1162, A13:3–7
-
Site 1163, A14:2–4
-
Site 1164, A15:2–7
-
Unit 1, A3:4–6; A6:3–5; A7:3–5; A11:3–4; A12:3–8; A13:3–4, 6; A14:3; A15:3–7
-
Unit 2, A3:6–7; A6:4; A7:4–5; A11:4–5; A13:4–7; A14:3–4
-
Unit 3, A11:5
-
Unit 4, A11:5–6
-
Unit 5, A11:6
-
Unit 6, A11:6–7
-
Unit 7, A11:7
-
lithology, summary, B5:24
-
loss on ignition
-
alteration, B5:10
-
vs. distance, B5:23
-
lutetium/hafnium ratio, geochemical signals, B1:18–19
M
-
maghemitization, basalt, B7:7–9
-
magmas
-
magnesium number, B2:7
-
nickel oxide, B2:7
-
olivine, B2:5–7
-
magnesium, alteration, B5:9
-
magnesium number
-
clinopyroxene, B2:4
-
magmas, B2:7–9
-
olivine, B2:3, 6–7
-
vs. nickel oxide, B2:17–18, 21
-
magnesium oxide
-
alteration, B1:7–8; B5:10–11
-
basalt, A1:8–9, 13; A3:9–11; A6:10–11; A7:10–12; A8:11–12; A9:8–10; A10:5–6; A11:12–13; A12:11; A13:14; A14:7–8; A15:11–12
-
mantle domains, A3:11; A7:12; A12:11; A13:14
-
melting regime, B1:15
-
olivine, B2:5
-
pillow basalt, A1:42; A4:6–7; A5:7
-
vs. distance, B5:23
-
vs. major elements, A3:24; A4:17; A5:17; A6:36; A7:33; A8:51; A9:21; A10:24; A11:35; A12:41; A13:41; A14:28; A15:42; B1:35; B2:20
-
vs. sodium oxide/titanium oxide ratio, A1:4–5, 13, 43–44; A3:26; A4:19; A5:19; A6:38; A7:35; A8:53; A9:23; A10:26; A11:37; A12:43; A13:43; A14:30; A15:44
-
vs. trace elements, A3:25; A4:18; A5:18; A6:37; A7:34; A8:52; A9:22; A10:25; A11:36; A12:42; A13:42; A14:29; A15:43
-
See also iron oxide/magnesium oxide ratio
-
magnetic anomalies, basalt, B7:6
-
magnetic lineations, maps, A1:19
-
magnetic properties, basalt, B1:9–10; B7:1–25
-
magnetic susceptibility, low-field, vs. natural remanent magnetization, B7:16
-
magnetic susceptibility, mid-ocean ridge basalt, B7:5–9
-
magnetite
-
alteration, A1:11; A12:9
-
photomicrograph, A12:40
-
magnetite, stoichiometric, mid-ocean ridge basalt, B7:4–9
-
major elements
-
alteration, B1:7–8; B5:8–11
-
alteration isocon plots, B1:28
-
basalt, A3:9–11, 31; A4:6–7, 22; A5:6–7, 22; A6:9–12, 41–42; A7:10–12, 38–39; A8:11–12, 56; A9:8–10, 26; A10:5–6, 29; A11:12–13, 41–42; A12:10–11, 47; A13:14, 46; A14:7–8, 33; A15:11–12, 48
-
correlation coefficients of alteration, B5:27–29
-
melting regime, B1:14–15
-
vs. magnesium oxide, A3:24; A4:17; A5:17; A6:36; A7:33; A8:51; A9:21; A10:24; A11:35; A12:41; A13:41; A14:28; A15:42; B1:35
-
manganese–iron oxyhydroxide, photomicrograph, A8:36
-
manganese oxide
-
alteration, A1:11; A3:7–8; A4:3–4; A6:5–6; A7:5–8; A9:5–7; A11:7–10; A12:8–9; A13:10; A14:4–5; A15:7–9; B1:7–8; B5:10
-
lithologic units, A6:4–5; A13:6
-
photograph, A1:40; A6:25; A8:39; A10:12–13; A11:22; A12:22; A13:34
-
photomicrograph, A1:39; A6:27–28; A8:20, 36, 40; A10:14; A12:24, 33; A15:26, 37; B1:27
-
manganese oxide, dendritic, photograph, A3:19
-
mantle
-
Australian Antarctic Mantle Anomaly, B1:2–3
-
flow, A1:3–4
-
heterogeneity, B3:1–24
-
plate tectonics, B1:19–21
-
subduction, B3:10
-
mantle domains
-
barium/zirconium ratio, A4:7; A5:7
-
composition, A1:13–15; A3:10–11
-
distribution, A1:14–15
-
isotopic signatures, B1:10–14
-
magnesium oxide, A12:11; A13:14
-
sodium oxide/titanium oxide ratio, A7:12; A8:12; A10:6; A11:13
-
zirconium/barium ratio, A6:11; A9:9–10; A14:8; A15:12
-
Zone A, A9:10
-
mantle flow, Indian/Pacific mantle isotopic boundary, B1:3–4
-
mantle sources, mid-ocean ridge basalt, B2:1–26
-
Marinobacter cluster, microbial populations, B6:9
-
massive basalt. See basalt, massive
-
matrix. See clast/matrix ratio
-
megacrysts, photograph, A13:24
-
melt inclusions
-
lithologic units, A7:5; A11:6–7; A13:3–4
-
photomicrograph, A11:18; A12:16; A13:17
-
melting regime
-
residual arc, B1:20–21
-
variations, B1:14–15
-
melts, olivine, B2:5–7, 23
-
mesostasis
-
alteration, A1:10; A13:10–11
-
lithologic units, A11:4; A13:4; A14:3
-
petrography, A8:4
-
photomicrograph, A1:32; A3:15–16, 18; A10:14; A13:31; A14:13–14; A15:36
-
metabasalt
-
lithologic units, A13:3–4
-
photomicrograph, A13:16, 19, 31
-
metabolic products, enrichment cultures, B6:6, 25–26
-
metadiabase
-
alteration, A13:8
-
lithologic units, A13:4
-
petrography, A13:5
-
photograph, A13:28
-
photomicrograph, A13:20, 29
-
metagabbro
-
alteration, A13:8
-
lithologic units, A13:4
-
petrography, A13:5
-
photomicrograph, A13:21
-
metamorphic facies, alteration, A13:9–10
-
metamorphism, alteration, A1:11
-
methane, enrichment cultures, B6:6, 25–26
-
micrite
-
lithologic units, A7:4–5
-
photograph, A1:26
-
microbial degradation, photomicrograph, A1:39
-
microbial populations
-
alteration, B1:7
-
basalt, B6:1–27
-
detection, B1:5–6; B1:27
-
growth, B6:23–24
-
phylogeny, B6:6–8, 14–19
-
microbiology
-
rocks, A3:30
-
Site 1152, A3:8
-
Site 1153, A4:4–5
-
Site 1154, A5:4–5
-
Site 1155, A6:7
-
Site 1156, A7:8
-
Site 1157, A8:8–9
-
Site 1158, A9:7
-
Site 1159, A10:4
-
Site 1160, A11:10
-
Site 1161, A12:9–10
-
Site 1162, A13:11
-
Site 1163, A14:5–6
-
Site 1164, A15:9–10
-
microcracks, photomicrograph, A11:25; A12:23
-
microcrystalline texture, petrography, A15:5
-
microfossils
-
composition, A13:13
-
sediments, A10:5
-
microlites
-
lithologic units, A13:3–4; A14:4; A15:3
-
petrography, A15:5–6
-
photomicrograph, A6:20
-
pillow basalt, A4:3
-
microphenocrysts
-
basalt, A1:8–9
-
photomicrograph, A6:21
-
microspheres
-
basalt, B1:6
-
detection, A3:30; A13:11; A14:5–6; A15:9
-
mid-ocean ridge basalt
-
isotopic boundary, A1:1–49
-
magnetic properties, B7:1–25
-
mineral composition, B2:1–26
-
mineral composition, mid-ocean ridge basalt, B2:1–26
-
minor elements, basaltic glass, B5:8
-
mixing, Indian and Pacific Ocean sources, B3:7–8
N
-
neodymium
-
alteration, B1:8
-
vs. distance, B3:17–18, 21
-
vs. strontium isotopes, B3:19, 22
-
neodymium isotopes
-
along-axis profiles, A1:20
-
alteration, B1:8
-
mantle domains, B1:12
-
mantle heterogeneity, B3:1–24
-
mid-ocean ridge basalt, A1:3–5
-
vs. hafnium isotopes, B1:34
-
vs. lead isotopes, B1:33
-
vs. strontium isotopes, B1:29
-
neodymium-143/neodymium-144 ratio
-
along-axis profiles, A1:20
-
vs. samarium-147/samarium-144 ratio, B3:20
-
nickel
-
alteration, B5:9
-
basalt, A3:10; A6:10–11; A7:11; A8:11; A9:8; A10:5; A15:11
-
vs. magnesium oxide, A3:25; A4:18; A5:18; A6:37; A7:34; A8:52; A9:22; A10:25; A11:36; A12:42; A13:42; A14:29; A15:43
-
nickel oxide
-
magmas, B2:7–9
-
olivine, B2:3, 6–7
-
vs. magnesium number, B2:17–18, 21
-
niobium, geochemical signals, B1:18
O
-
olivine
-
actual composition vs. calculated composition, B2:6–7, 22, 26
-
alteration, A1:10; A8:7–8; A9:6–7; A13:8–11; A14:5
-
composition, B1:14
-
equilibrated composition with melt and primary magma composition, B2:5–7, 24–25
-
lithologic units, A6:3–5; A7:4
-
mid-ocean ridge basalt, B2:3
-
photograph, A15:21
-
photomicrograph, A5:13; A7:16; A8:26; A10:9; A11:15, 19; A13:19; A14:16; A15:32; B5:18
-
olivine, "Chinese lantern," pillow basalt, A4:3
-
olivine, skeletal
-
petrography, A8:5–6
-
photomicrograph, A8:34; A15:23
-
olivine microlites, lithologic units, A13:3–4
-
olivine microphenocrysts
-
lithologic units, A3:5–6; A9:3–5; A15:3–7
-
petrography, A8:4
-
photograph, A12:15; A15:35
-
photomicrograph, A12:18; A13:26; A14:12
-
pillow basalt, A4:3
-
olivine microphenocrysts, skeletal, photomicrograph, A5:11; A8:16
-
olivine phenocrysts
-
alteration, A7:5–8; A11:8–10; A15:8–9; B1:7–8; B5:7
-
basalt, A1:8–9
-
lithologic units, A3:6–7; A6:4–5; A9:3–5; A10:2–3; A11:4–7; A14:3; A15:3–7
-
petrography, A8:3–7; A12:3–8; A13:5–7
-
photomicrograph, A8:46; A13:20, 25, 30; A15:14, 34
-
pillow basalt, A5:2–3
-
olivine phenocrysts, iddingsitized
-
photograph, A8:39
-
photomicrograph, A3:21; A7:19
-
olivine phenocrysts, skeletal, photomicrograph, A1:29; A8:25
-
on-axis samples, isotopes, B3:8–9
-
ooze, calcareous
-
Sedimentary Unit B, A4:5
-
sediments, A5:6
-
oscillatory zoning
-
petrography, A13:5
-
photomicrograph, A9:16; A13:19
-
overgrowths
-
photomicrograph, A13:18
-
pillow basalt, A5:3
-
oxidation
-
alteration, A8:8; A11:7–10; A14:5
-
basalt, A10:3–4; B7:7
-
petrography, A12:6–7
-
remanent magnetization, B7:8
-
oxidation rims, alteration, A10:3–4
P
-
Pacific Ocean mid-ocean ridge basalt mantle isotopic province domain distribution, A1:14–16
-
magnesium oxide vs. sodium oxide/titanium oxide ratio, A1:43–44
-
mantle, B1:3–4
-
zirconium/barium ratio vs. barium, A1:43–44
-
See also Indian Ocean mid-ocean ridge basalt mantle isotopic province/Pacific Ocean mid-ocean ridge basalt mantle isotopic province boundary
-
Pacific Ocean sources, depth anomalies, B3:5–10
-
palagonite
-
alteration, A1:10–11; A4:4; A6:5–7; A7:5–8; A9:5–7; A13:11; B1:7–8
-
lithologic units, A6:4–5; A11:4; A13:6; A14:3–4
-
petrography, A8:5; A15:6–7
-
photograph, A1:38; A4:14; A7:21–22, 28; A8:32; A10:7, 16, 18; A11:27; A12:21, 31; A14:9–10, 17, 24; A15:18, 21, 28, 37
-
photomicrograph, A1:39; A6:29, 31; A8:44; A12:28; A13:22; A15:31, 39; B5:19
-
See also clasts
-
palagonitization
-
alteration, A4:4; A15:9
-
composition, A11:12
-
photograph, A7:22
-
photomicrograph, A6:29; B5:16
-
partial melting, basalt, B2:23
-
petrography, basalt, A1:8–9; B2:13–15
-
phenocrysts
-
alteration, A1:9–10; B5:7
-
lithologic units, A7:5
-
phosphorus oxide, alteration, B5:10
-
phylogeny, microbial populations, B6:6–8, 14–19
-
pillow basalt
-
alteration, A4:3–4; A5:3–4; A14:5
-
lithologic units, A9:3–5
-
magnetic properties, B1:9–10; B7:4–9
-
petrology, A1:7
-
photograph, A1:22
-
photomicrograph, A5:12
-
scanning electron backscattered electron images, B7:20
-
pillow basalt, aphyric
-
lithologic units, A11:3–4
-
lithology, A4:3
-
pillow basalt, plagioclase–olivine phyric
-
lithology, A5:2–3
-
photograph, A1:28; A5:8
-
pillow lava
-
microbiology, A3:8
-
photograph, A14:9
-
pillow margin
-
alteration, A15:7–8
-
photograph, A4:15; A6:15, 24–25; A10:16; A15:37
-
pillow margin, spherulitic, photograph, A1:35; A4:13
-
pillow rinds, palagonitized, alteration, A1:10–11
-
pillow rinds, photograph, A1:38; A3:19; A4:14–15
-
plagioclase
-
alteration, A13:10–11
-
lithologic units, A6:3–5; A7:4
-
mid-ocean ridge basalt, B2:4
-
photograph, A10:8; A13:28
-
photomicrograph, A3:13, 21; A4:9–10; A6:32; A7:16, 25; A8:16, 25, 30, 45; A9:12–14, 19; A11:14, 19; A12:19, 23–24; A13:17–18, 29, 35; A14:13, 16; A15:16, 19, 23, 25; B5:20
-
scanning electron backscattered electron images, B7:20
-
sediments, A4:5; A5:6
-
See also albite; albite twinning; anorthite; oscillatory zoning
-
plagioclase, acicular
-
petrography, A8:3–4
-
photomicrograph, A6:22; A8:27
-
plagioclase, euhedral, photograph, A1:31
-
plagioclase, partially resorbed, photomicrograph, A5:10
-
plagioclase, prismatic, photomicrograph, A1:29; A3:16; A5:13; A8:25; A11:17
-
plagioclase, sieve-textured, photomicrograph, A1:30; A7:15
-
plagioclase, skeletal
-
basalt, A1:9
-
photomicrograph, A14:13
-
plagioclase, tabular, photomicrograph, A15:15, 24
-
plagioclase laths, photomicrograph, A14:14
-
plagioclase megacrysts, photograph, A13:24
-
plagioclase microlites, lithologic units, A14:4
-
plagioclase microphenocrysts, photomicrograph, A9:16; A14:12
-
plagioclase microphenocrysts, partially resorbed, photomicrograph, A3:17
-
plagioclase phenocrysts
-
alteration, A7:5–8; A8:8; A11:8–10; A15:8–9; B1:7–8; B5:7
-
basalt, A1:8–9
-
composition, B2:19
-
lithologic units, A3:5–6; A6:4–5; A9:3–5; A11:3–7; A14:3; A15:3–7
-
petrography, A8:3–7; A12:3–8; A13:5–7
-
photomicrograph, A5:9–10; A6:17–21; A7:14, 18, 24; A8:35; A9:14; A11:18, 25; A15:35
-
pillow basalt, A5:2–3
-
plagioclase phenocrysts, prismatic
-
lithologic units, A10:2–3; A11:3–4
-
petrography, A8:5–6
-
plagioclase phenocrysts, tabular, photograph, A15:13
-
plagioclase xenocrysts, lithologic units, A13:3–4
-
plate tectonics
-
mantle, B1:19–21
-
Southeast Indian Ridge, B1:1–40
-
plumose quench texture
-
lithologic units, A3:5–6; A14:4; A15:3
-
petrography, A8:4; A12:4
-
photograph, A12:20
-
photomicrograph, A1:32; A3:15, 18; A14:14; A15:14–15
-
potassium
-
alteration, B1:8; B5:9
-
vs. chloride, B4:7
-
See also chloride/potassium ratio
-
potassium oxide
-
alteration, B1:7–8
-
basalt, A10:5; A15:11
-
melting regime, B1:14–15
-
pillow basalt, A4:6; A5:7
-
precipitation, calcite, A8:8
-
Pseudoalteromonas flavipulchra, microbial populations, B6:7, 9
-
Pseudomonas stutzeri, microbial populations, B6:9–10
-
pseudomorphs
-
basalt, B7:7
-
lithologic units, A12:7–8; A13:4
-
photomicrograph, A8:34; A12:27; A13:16
-
scanning electron backscattered electron images, B7:20
-
pseudosingle domain, basalt, B7:7
-
pyrite
-
alteration, A12:9
-
photomicrograph, A12:40
Q
-
quartz
-
alteration, A11:7–10; A12:8–9; A14:4–5
-
lithologic units, A13:4
-
petrography, A15:7
-
photograph, A10:17
-
photomicrograph, A13:31
-
sediments, A4:5; A5:6
-
quench crystals
-
lithologic units, A10:3
-
petrography, A8:3–4
-
photograph, A10:8; A15:30
-
photomicrograph, A8:21; A10:9, 14; A13:18; A15:17
-
quench crystals, spherulitic, lithologic units, A15:4–7
-
quench texture
-
alteration, A7:5–8; A10:4; A11:8–10
-
petrography, A12:4–5
-
photograph, A11:27; A13:33
-
photomicrograph, A8:27, 30; A15:23
-
pillow basalt, A5:3
-
quench zone
-
alteration, A13:8
-
photomicrograph, A5:12; A6:22
R
-
recrystallization
-
petrography, A8:7
-
photograph, A6:27
-
remanent magnetization, characteristic, mid-ocean ridge basalt, B7:9
-
remanent magnetization, natural
-
mid-ocean ridge basalt, B7:4–9
-
vs. age, B7:14
-
vs. Curie temperature, B7:15
-
vs. low-field magnetic susceptibility, B7:16
-
remanent magnetization, saturation, hysteresis ratios, B7:19
-
residual arc, mantle, B1:16–17
-
resorption, photomicrograph, A6:17; A15:19
-
rift tip tectonic environment, basalt, A12:11
-
rocks, enrichment cultures, A3:30; A4:21; A5:21; A6:40; A7:37; A8:55; A9:25; A10:28; A11:40; A12:46; A13:45; A14:32; A15:47
-
rubble, alteration, A9:5–7
-
rubble, basaltic
-
alteration, A12:9
-
lithologic units, A8:3–7; A12:3–8; A15:4–7
-
petrography, A15:4–6
-
petrology, A1:7
-
photograph, A12:38; A15:20
-
rubidium, alteration, B1:8; B5:9
S
-
samarium
-
vs. lanthanum, B1:36
-
See also lanthanum/samarium ratio
-
samarium/neodymium ratio
-
depth anomalies, B3:7
-
volcanic glass, B3:5
-
samarium-147/neodymium-144 ratio, vs. distance, B3:18
-
samarium-147/samarium-144 ratio, vs. neodymium-143/neodymium-144 ratio, B3:20
-
sand
-
photograph, A15:30
-
sediments, A4:5
-
secondary minerals, photomicrograph, A12:40; A13:20
-
Sedimentary Unit A, clay, A4:5
-
Sedimentary Unit B, calcareous ooze, A4:5
-
sediments
-
lithologic units, A14:4
-
lithology, A5:6
-
petrography, A8:6–7
-
photograph, A14:11
-
Site 1153, A4:5–6
-
Site 1154, A5:6
-
Site 1155, A6:8–9
-
Site 1156, A7:9–10
-
Site 1157, A8:9–10
-
Site 1158, A9:8
-
Site 1159, A10:5
-
Site 1160, A11:11–12
-
Site 1161, A12:10
-
Site 1162, A13:13
-
Site 1163, A14:6–7
-
Site 1164, A15:10
-
zoning, A6:35
-
sediments, calcareous
-
alteration, A14:4–5
-
color, A8:50
-
lithologic units, A7:3–5
-
photograph, A7:13
-
sediments, interpillow, petrology, A1:7–8
-
sediments, lithic-rich calcareous, photograph, A8:19
-
sediments, pelagic, photograph, A3:19
-
sediments, siliceous, color, A8:50
-
seismic profiles
-
Site 1152, A3:23
-
Site 1153, A4:16
-
Site 1154, A5:16
-
Site 1155, A6:34
-
Site 1156, A7:31
-
Site 1157, A8:49
-
Site 1158, A9:20
-
Site 1159, A10:20–23
-
Site 1160, A11:34
-
Site 1162, A13:40
-
Site 1163, A14:27
-
Site 1164, A15:41
-
seismic reflection, profiles, A3:9; A5:5; A6:8; A8:9–10; A10:4–5; A11:11
-
seismic surveys, track chart, A3:22; A5:15; A6:33; A7:32; A8:48; A10:19; A11:33; A13:39; A14:26; A15:40
-
selvage, alteration, A12:8–9
-
selvage, silica, photograph, A1:40; A8:39
-
sericite, photomicrograph, A12:19
-
sheaf quench texture
-
lithologic units, A3:5–6; A7:5; A10:3
-
petrography, A8:3–7
-
photograph, A12:20
-
photomicrograph, A3:13; A4:10; A8:16; A14:13
-
pillow basalt, A4:3
-
shear relay zones, alteration, A13:9
-
shear zones
-
alteration, A13:8–9
-
photograph, A13:32, 38
-
ultracataclasite, A13:12
-
Shewanella, microbial populations, B6:8
-
shrinkage cracks, scanning electron backscattered electron images, B7:21
-
sieve texture
-
lithologic units, A7:5; A14:3
-
petrography, A8:3–4; A12:3–4; A15:5
-
photomicrograph, A6:17–18; A7:15; A15:19
-
silica
-
alteration, A5:4; A10:3–4; B1:7–8; B5:10–11
-
melting regime, B1:14–15
-
photograph, A5:14; A10:12–13; A12:39
-
photomicrograph, A1:39; A6:31; A12:33
-
vs. distance, B5:23
-
vs. magnesium oxide, B1:35; B2:20
-
silica, cryptocrystalline
-
alteration, A4:4; A8:7–8; A9:5–7; A11:7–10; A12:8–9; A14:4–5; A15:8–9
-
lithologic units, A13:7
-
photograph, A1:34, 37
-
photomicrograph, A12:23–24
-
siliceous microfossils, clay, A7:10
-
silt
-
photograph, A15:30
-
photomicrograph, A15:32
-
silt, clayey, petrography, A12:6
-
Site 1152, A3:1–31
-
alteration, A3:7–8; B5:5
-
coring summary, A3:27
-
geochemistry, A3:9–11
-
igneous petrology, A3:4–7
-
lithologic units, A3:4–7, 28
-
microbiology, A3:8
-
operations, A3:2–4
-
principal results, A3:1–2
-
site description, A3:1–31
-
site geophysics, A3:8–9
-
Site 1153, A4:1–22
-
alteration, A4:3–4; B5:5
-
alteration isocon plots, B1:27
-
coring summary, A4:20
-
geochemistry, A4:6–7
-
hafnium isotopes, B1:13
-
igneous petrology, A4:3
-
isocon plots, B5:22
-
mantle domains, B1:11
-
microbiology, A4:4–5
-
operations, A4:2
-
principal results, A4:1–2
-
sediments, A4:5–6
-
site description, A4:1–22
-
site geophysics, A4:5
-
Site 1154, A5:1–22
-
alteration, A5:3–4; B5:5
-
coring summary, A5:20
-
geochemistry, A5:6–7
-
igneous petrology, A5:2–3
-
microbiology, A5:4–5
-
operations, A5:2
-
principal results, A5:1–2
-
sediments, A5:6
-
site description, A5:1–22
-
site geophysics, A5:5
-
Site 1155, A6:1–42
-
alteration, A6:5–7; B5:5
-
coring summary, A6:39
-
geochemistry, A6:9–12
-
igneous petrology, A6:3–5
-
lithologic units, A6:3–5
-
microbiology, A6:7
-
operations, A6:2–3
-
principal results, A6:1–2
-
sediments, A6:8–9
-
site description, A6:1–42
-
site geophysics, A6:8
-
strontium isotopes vs. neodymium isotopes, B1:29
-
structural geology, A6:7–8
-
Site 1156, A7:1–39
-
alteration, A7:5–8; B5:6
-
coring summary, A7:36
-
geochemistry, A7:10–12
-
igneous petrology, A7:3–5
-
lithologic units, A7:3–5
-
microbiology, A7:8
-
operations, A7:2–3
-
principal results, A7:1–2
-
sediments, A7:9–10
-
site description, A7:1–39
-
site geophysics, A7:9
-
structural geology, A7:8–9
-
Site 1157, A8:1–56
-
alteration, A8:7–8; B5:6
-
coring summary, A8:54
-
geochemistry, A8:10–12
-
igneous petrology, A8:2–7
-
lithologic units, A8:3–7
-
mantle domains, B1:11
-
microbiology, A8:8–9
-
operations, A8:2
-
principal results, A8:1–2
-
sediments, A8:9–10
-
site description, A8:1–56
-
structural geology, A8:9
-
Site 1158, A9:1–26
-
alteration, A9:5–7; B5:6
-
coring summary, A9:24
-
geochemistry, A9:8–10
-
hafnium isotopes, B1:13
-
igneous petrology, A9:3–5
-
lithologic units, A9:5
-
mantle domains, B1:11
-
microbiology, A9:7
-
operations, A9:2–3
-
principal results, A9:1–2
-
sediments, A9:8
-
site description, A9:1–26
-
site geophysics, A9:7
-
Site 1159, A10:1–29
-
alteration, A10:3–4; B5:6
-
coring summary, A10:27
-
geochemistry, A10:5–6
-
igneous petrology, A10:2–3
-
microbiology, A10:4
-
operations, A10:2
-
principal results, A10:1
-
sediments, A10:5
-
site description, A10:1–29
-
site geophysics, A10:4–5
-
Site 1160, A11:1–42
-
alteration, A11:7–10; B5:6
-
coring summary, A11:38
-
geochemistry, A11:12–13
-
igneous petrology, A11:3–7
-
lithologic units, A11:3–7
-
lithologic units summary, A11:39
-
microbiology, A11:10
-
operations, A11:2–3
-
principal results, A11:1–2
-
sediments, A11:11–12
-
site description, A11:1–42
-
site geophysics, A11:11
-
strontium isotopes vs. neodymium isotopes, B1:29
-
structural geology, A11:10–11
-
Site 1161, A12:1–47
-
alteration, A12:8–9; B5:6–7
-
coring summary, A12:44
-
geochemistry, A12:10–11
-
igneous petrology, A12:3–8
-
lithologic units, A12:3–9
-
microbiology, A12:9–10
-
operations, A12:2
-
principal results, A12:1–2
-
sediments, A12:10
-
site description, A12:1–47
-
site geophysics, A12:10
-
Site 1162, A13:1–46
-
alteration, A13:7–11; B5:7
-
coring summary, A13:44
-
geochemistry, A13:14
-
igneous petrology, A13:3–7
-
lithologic units, A13:3–7
-
microbiology, A13:11
-
operations, A13:2–3
-
sediments, A13:13
-
site description, A13:1–46
-
site geophysics, A13:12
-
structural geology, A13:12
-
Site 1163, A14:1–33
-
alteration, A14:4–5; B5:7
-
alteration isocon plots, B1:27
-
coring summary, A14:31
-
geochemistry, A14:7–8
-
igneous petrology, A14:2–4
-
isocon plots, B5:22
-
lithologic units, A14:2–4
-
microbiology, A14:5–6
-
operations, A14:2
-
principal results, A14:1–2
-
sediments, A14:6–7
-
site description, A14:1–33
-
site geophysics, A14:6
-
structural geology, A14:6
-
Site 1164, A15:1–48
-
alteration, A15:7–9; B5:7
-
coring summary, A15:45
-
geochemistry, A15:11–12
-
igneous petrology, A15:2–7
-
lithologic units, A15:2–7
-
microbiology, A15:9–10
-
operations, A15:2
-
principal results, A15:1–2
-
sediments, A15:10
-
site description, A15:1–48
-
site geophysics, A15:10
-
site geophysics
-
Site 1152, A3:8–9
-
Site 1153, A4:5
-
Site 1154, A5:5
-
Site 1155, A6:8
-
Site 1156, A7:9
-
Site 1158, A9:7
-
Site 1159, A10:4–5
-
Site 1160, A11:11
-
Site 1161, A12:10
-
Site 1162, A13:12
-
Site 1163, A14:6
-
Site 1164, A15:10
-
slickensides, lithologic units, A13:7
-
smectite
-
alteration, A3:7–8; A5:4; A6:5–6; A7:5–8; A9:5–7; A11:10; B1:7–8
-
lithologic units, A3:5–6
-
photograph, A1:40; A8:39
-
photomicrograph, A1:32, 37, 39; A3:15; A5:12; A6:16, 23; A7:18, 25–26; A8:35; A9:18; A11:21, 25, 32; A13:35; B5:16, 17
-
pillow basalt, A4:3
-
snowball texture, photomicrograph, A9:15
-
sodium
-
alteration, B5:9
-
mantle domains, A1:13–14
-
pillow basalt, A4:7
-
sodium8, vs. Fe8, B1:38
-
sodium oxide
-
basalt, A6:10–11; A10:5–6; A11:12–13; A13:14; A15:11
-
melting regime, B1:14–15
-
olivine, B2:5
-
pillow basalt, A5:7
-
vs. magnesium oxide, A3:24; A4:17; A5:17; A6:36; A7:33; A8:51; A9:21; A10:24; A11:35; A12:41; A13:41; A14:28; A15:42; B2:20
-
sodium oxide, fractionation-corrected, vs. fractionation-corrected iron oxide, B1:37
-
sodium oxide/titanium oxide ratio
-
basalt, A3:11; A12:11; A13:14
-
isotopic boundary, B1:5
-
mantle domains, A3:11; A4:7; A5:7; A6:11; A7:12; A8:12; A10:6; A11:13; A15:12
-
mid-ocean ridge basalt, A1:4–5, 12–13
-
vs. magnesium oxide, A1:4–5, 43–44; A3:26; A4:19; A5:19; A6:38; A7:35; A8:53; A9:23; A10:26; A11:37; A12:43; A13:43; A14:30; A15:44
-
Southeast Indian Ridge
-
Australian Antarctic Discordance, B1:1–40
-
maps, A1:19; B1:25; B2:16
-
spherulites
-
alteration, A1:9–10; A7:7–8; A13:8
-
lithologic units, A3:5–6; A10:3; A13:3–7; A14:3–4
-
petrology, A1:7
-
photograph, A1:34; A8:17; A10:8, 17; A12:20, 29; A14:9; A15:18
-
photomicrograph, A4:9; A5:12; A6:22; A12:35; A13:16, 31
-
pillow basalt, A4:3
-
spherulitic texture
-
alteration, A9:5–7
-
lithologic units, A9:3–5; A12:7–8
-
photograph, A12:34, 37
-
photomicrograph, A12:30; A13:31
-
spherulitic zone, alteration, A10:3
-
spinel
-
mid-ocean ridge basalt, B2:4
-
See also chrome spinel
-
spinel microphenocrysts
-
petrography, A12:4
-
photomicrograph, A12:16
-
strontium
-
alteration, B1:8
-
basalt, A3:10; A6:10–11; A7:11; A8:11; A11:13; A12:11
-
pillow basalt, A5:7
-
vs. magnesium oxide, A3:25; A4:18; A5:18; A6:37; A7:34; A8:52; A9:22; A10:25; A11:36; A12:42; A13:42; A14:29; A15:43
-
Zone A, A8:12
-
strontium isotopes
-
along-axis profiles, A1:20
-
alteration, B1:8
-
mantle domains, B1:12
-
mantle heterogeneity, B3:1–24
-
mid-ocean ridge basalt, A1:3–5
-
vs. distance, B3:17, 21
-
vs. neodymium, B3:19, 22
-
vs. neodymium isotopes, B1:29
-
strontium-87/strontium-86 ratio, along-axis profiles, A1:20
-
structural geology
-
Site 1155, A6:7–8
-
Site 1156, A7:8–9
-
Site 1157, A8:9
-
Site 1160, A11:10–11
-
Site 1162, A13:12
-
Site 1163, A14:6
-
subduction, mantle, B3:10
-
subophitic texture
-
lithologic units, A3:5–6; A9:5; A11:4–7; A15:3–7
-
photomicrograph, A1:33; A9:17; A11:14; A12:18; A15:16
-
sulfur, submarine basaltic volcanic glass, B4:3
T
-
talc
-
alteration, A1:11; A13:8
-
high-temperature alteration, B5:8
-
photomicrograph, A13:20, 25, 30
-
texture. See box texture; dendritic texture; honeycomb texture; intergranular texture; intersertal texture; lamellar texture; microcrystalline texture; plumose quench texture; quench texture; sheaf quench texture; sieve texture; snowball texture; spherulitic texture; subophitic texture; vermiform texture; vesicular texture
-
Thalassolituus oleivorans, microbial populations, B6:9
-
thermomagnetic curves, basalt, B7:7–8, 13
-
thermoremanent magnetization, mid-ocean ridge basalt, B7:9
-
titanium
-
mantle domains, A1:13–14
-
pillow basalt, A4:7
-
titanium oxide
-
alteration, B5:10
-
basalt, A3:10; A8:11–12; A9:8–9; A10:6; A11:12–13; A14:8; A15:11
-
melting regime, B1:14–15
-
vs. magnesium oxide, A3:24; A4:17; A5:17; A6:36; A7:33; A8:51; A9:21; A10:24; A11:35; A12:41; A13:41; A14:28; A15:42
-
See also iron–titanium oxide; sodium oxide/titanium oxide ratio
-
titanomaghemite, basalt, B7:7–9
-
titanomagnetite
-
basalt, B7:6–7
-
magnetic properties, B1:9–10
-
scanning electron backscattered electron images, B7:20
-
See also iron–titanium oxide
-
titanomagnetite pseudomorphs, scanning electron backscattered electron images, B7:20–21
-
trace elements
-
alteration, B1:7–8; B5:8–11
-
alteration isocon plots, B1:28
-
basalt, A3:9–11, 31; A4:6–7, 22; A5:6–7, 22; A6:9–12, 41–42; A7:10–12, 38–39; A8:11–12, 56; A9:8–10, 26; A10:5–6, 29; A11:12–13, 41–42; A12:10–11, 47; A13:7–8, 14, 46; A14:7–8, 33; A15:11–12, 48; B1:36
-
correlation coefficients of alteration, B5:27–29
-
melting regime, B1:14–15
-
vs. magnesium oxide, A3:25; A4:18; A5:18; A6:37; A7:34; A8:52; A9:22; A10:25; A11:36; A12:42; A13:42; A14:29; A15:43
-
transitional mid-ocean ridge basalt mantle isotopic signatures, Australian Antarctic Discordance, B1:3–4
-
Transitional Pacific-type glass, domain distribution, A1:14
-
Transitional Pacific-type mantle, domain distribution, A1:14–16
-
Type 1 basalt, petrography, A12:7
-
Type 2 basalt, petrography, A12:7
-
Type 3 basalt, petrography, A12:7
-
Type 4 basalt, petrography, A12:7
U
-
ultracataclasite, shear zones, A13:12
-
ultracataclasite, basaltic, photograph, A13:38
V
-
veins
-
alteration, A1:11; A7:5–8; A10:3–4; A13:9–11; A14:4–5; A15:9; B1:7–8; B5:7, 11
-
basalt, A6:7–8; A7:9; A11:10
-
density, A12:9
-
petrography, A8:6–7
-
photograph, A14:24
-
photomicrograph, A10:10–11
-
structure, A13:12; A14:5–6
-
See also fracture + vein density
-
veins, calcite
-
alteration, A1:11; A6:6–7; A8:8
-
photograph, A1:40; A4:14–15; A6:24–26; A7:23; A8:39; A11:22, 24, 29–30; A14:20–21
-
photomicrograph, A1:39; A6:21, 28, 31–32; A11:29; A14:22; B5:19
-
veins, chlorite, alteration, A11:9–10
-
veins, dolomite
-
alteration, A1:11
-
photograph, A13:34
-
photomicrograph, A13:37
-
veins, lithic, alteration, A8:8
-
veins, micritic calcite, photomicrograph, A8:34–36, 40–42, 44–45
-
veins, palagonite
-
alteration, A11:9–10
-
photograph, A11:27
-
veins, quartz, photomicrograph, A13:17, 31
-
veins, silica
-
photograph, A1:38; A11:23
-
photomicrograph, A10:10, 16; B5:19
-
veins, sparry calcite
-
alteration, A11:8–10
-
photograph, A6:15
-
photomicrograph, A8:35–36, 40, 43
-
veins, zeolite, photomicrograph, B1:27
-
vermiform texture, photomicrograph, A8:23
-
vesicles
-
alteration, A6:5–6; A9:6–7; A15:8–9; B1:7–8; B5:7
-
lithologic units, A3:4–6; A6:3–5; A7:5; A9:5; A11:4; A14:4; A15:4–7
-
petrography, A8:4; A15:5–6
-
photomicrograph, A6:16, 23; A10:14–15; A11:21, 32; A15:17; B5:17
-
pillow basalt, A4:3
-
vesicular texture, photomicrograph, A9:12
-
volatiles, submarine basaltic volcanic glass, B4:1–8
-
volcanic glass
-
alteration, A1:10–11; A6:25; A7:5–8; B1:8–9
-
biodegradation, A6:30
-
geochemistry, A4:22; A5:22; A6:41–42; A7:38–39; A8:56; A9:26; A10:29; A11:41–42; A12:47; A13:46; A14:33; A15:48
-
lead-206/lead-204 ratio vs. lead-208/lead-204 ratio, B1:31
-
lithologic units, A11:4
-
occurrence, A3:29
-
petrography, A8:5–6; A15:6–7
-
photograph, A1:38; A8:32; A10:7, 16, 18; A11:27; A12:20; A14:9; A15:28
-
photomicrograph, A5:12; A12:28; A15:31, 38–39; B5:16, 19
-
samarium/neodymium ratio, B3:5
-
See also glass rinds; glass shards
-
volcanic glass, basaltic
-
photograph, A12:39
-
photomicrograph, A6:30
-
volcanic glass, devitrified
-
lithologic units, A3:5–6
-
photomicrograph, A7:25
-
volcanic glass, palagonitized
-
lithologic units, A7:3–5
-
photograph, A1:26; A6:29; A7:13
-
volcanic glass, quenched, photomicrograph, A15:17
-
volcanic glass, spherulitic, photomicrograph, A6:22
-
volcanic glass, submarine basaltic, volatiles, B4:1–8
-
vugs
-
petrography, A8:7
-
photograph, A7:20; A10:12–13
W
-
wall-rock reactions, petrography, A8:7
-
water content
-
enrichment cultures, B6:6
-
submarine basaltic volcanic glass, B4:3
-
vs. carbon dioxide, B4:6
X
-
xenocrysts
-
basalt, A1:9
-
lithologic units, A13:3–4
-
xenocrysts, plagioclase, photomicrograph, A13:17–18
Y
-
yttrium
-
basalt, A3:9–10; A6:10–11; A8:11; A9:8–9; A11:12; A12:11; A14:8
-
pillow basalt, A4:7; A5:7
-
vs. magnesium oxide, A3:25; A4:18; A5:18; A6:37; A7:34; A8:52; A9:22; A10:25; A11:36; A12:42; A13:42; A14:29; A15:43
Z
-
zirconium
-
basalt, A3:9–10; A6:10; A8:11; A9:8–9; A11:12; A14:8; A15:11
-
isotopic boundary, B1:4–5
-
mantle domains, A1:13
-
pillow basalt, A4:7
-
vs. barium, B1:36
-
vs. magnesium oxide, A3:25; A4:18; A5:18; A6:37; A7:34; A8:52; A9:22; A10:25; A11:36; A12:42; A13:42; A14:29; A15:43
-
zirconium/barium ratio
-
basalt, A14:8
-
isotopic boundary, B1:5
-
mantle domains, A3:10–11; A6:11; A7:12; A9:9–10; A13:14; A14:8; A15:12
-
mid-ocean ridge basalt, A1:4–5, 12
-
vs. barium, A1:4–5, 43–44; A3:26; A4:19; A5:19; A6:38; A7:35; A8:53; A9:23; A10:26; A11:37; A12:43; A13:43; A14:30; A15:44; B1:32
-
vs. lead-206/lead-204 ratio, A1:41
-
Zone A
-
alteration, B1:8–9
-
basalt, A10:6; A11:13; A12:10–11; A13:14
-
depth anomalies, B3:7
-
geochemical signals, B1:18
-
geology, A1:1–3, 12
-
isotopes along-axis profiles, A1:20
-
lead-206/lead-204 ratio vs. longitude, A1:41
-
magnetic susceptibility, B7:5–6
-
mantle, B1:16–19
-
mantle domains, A9:10; A11:13
-
mantle heterogeneity, B3:2–3
-
mid-ocean ridge basalt, B2:2–3
-
olivine, B2:23
-
pillow basalt, A4:7; A5:7
-
sediments, A6:8–9
-
Southeast Indian Ridge, B1:1–3
-
trace elements, A8:12
-
Zone A-East, domain distribution, A1:14
-
Zone A-West
-
domain distribution, A1:14
-
isotopic variability, B3:10
-
Zone B
-
alteration, B1:8–9
-
depth anomalies, B3:7
-
geochemical signals, B1:18
-
isotopes along-axis profiles, A1:20
-
magnetic susceptibility, B7:5–6
-
mantle, B1:16–19
-
mantle heterogeneity, B3:2–3
-
mid-ocean ridge basalt, B2:2–3
-
sediments, A6:8–9
-
Southeast Indian Ridge, B1:1–3
-
Zone B4, depth anomalies, B3:7
-
Zone B5, depth anomalies, B3:7
-
Zone C
-
isotopes along-axis profiles, A1:20
-
sediments, A6:8–9
-
Zone D, sediments, A6:9
-
zoning, sediments, A6:35