SUBJECT INDEX

A

age
argon isotopes, A1:14
basalts, A8:6
Albian, middle, palynology, A6:20
Albian, preglacial sedimentary basin fillings, A8:5
Albian, upper, palynology, A6:20
albite, volcanic basement, A8:9
alkali feldspar
lithologic units, A6:20
photomicrograph, A6:36, 38
preglacial sedimentary basin fillings, A8:4–5
alteration
igneous units, A6:21–23
lithologic units, A6:5–19
photomicrograph, A4:20; A6:40
vesicle fillings, A4:13
volcanic basement, A8:7–8
aluminum
vs. titanium, A8:24
See also iron-chromium-aluminum system; titanium/aluminum ratio
aluminum oxide
basalt flows, A8:10–11
igneous units, A4:13
stratigraphy, A8:12
volcanism, A8:15
vs. magnesium number, A8:29
amphiboles, photomicrograph, A6:42
amphibolites
lithologic units, A6:9
partial melting, A1:3–4
amygdules
igneous units, A6:22–23
lithologic units, A6:16–17
anorthite, composition histograms, A8:25
apatite needles, photomicrograph, A6:42
Archean, basement, A8:6
argon isotopes
basalt age, A8:6
geochronology, A1:14
Atlantic Ocean N
geologic maps, A1:13
rifted margins, A1:1–19
augite
composition histograms, A8:23
diopside-enstatite-ferrosilite-hedenbergite system, A8:24
phenocrysts, A4:13, 24
volcanic basement, A8:8

B

banding, lithologic units, A5:4; A6:10
barium
basalt flows, A8:11
stratigraphy, A8:12, 35
volcanism, A8:16
vs. magnesium oxide, A8:32
barium/zirconium ratio, relative position, A1:16; A8:35
basalt flows
continental shelf, A8:13–16
crystallization, A8:11
phase equilibria, A8:11
preglacial sedimentary basin fillings, A8:4–5
stratigraphic correlation, A8:12–13
stratigraphy, A8:12
basalt fragments
glaciomarine sediments, A8:3
lithologic units, A4:5–11
photomicrograph, A6:36
basalts
age, A8:6
diopside-quartz-plagioclase system, A8:33
normative composition, A8:33
volcanism, East Greenland flood basalt province, A1:5
X-ray fluorescence data, A4:23; A5:5–6, 13–14; A6:47–48; A7:14
See also lava; lava flows; picrite; tholeiites
basalts, amygdaloidal clinopyroxene-plagioclase phyric, lithologic units, A4:10
basalts, aphyric
lithologic units, A4:7–8, 10, 12–13
volcanic basement, A8:7–8
basalts, brecciated, seabed morphology, A8:4
basalts, clinopyroxene phyric, lithologic units, A4:6–14
basalts, clinopyroxene-plagioclase phyric, lithologic units, A6:5–19
basalts, continental flood, rifted margins, A1:1–19
basalts, glomerophyric, lithologic units, A6:6–19; A7:4
basalts, massive plagioclase-clinopyroxene-olivine phyric, lithologic units, A5:3–4
basalts, olivine-clinopyroxene phyric, lithologic units, A6:9
basalts, olivine phyric, photomicrograph, A6:40
basalts, phyric, igneous units, A6:21–23
basalts, plagioclase-clinopyroxene phyric
lithologic units, A4:8–9, 12–13; A6:6–19
photomicrograph, A4:20
volcanic basement, A8:7–8
basalts, plagioclase-olivine-clinopyroxene phyric
lithologic units, A4:6–13; A6:6–19
photomicrograph, A6:39
basalts, plagioclase-olivine phyric, photomicrograph, A4:20
basalts, vesicular amygdaloidal plagioclase-clinopyroxene-olivine phyric, lithologic units, A7:3–4
basalts, vesicular aphyric, photomicrograph, A6:40
basalts, weathered, lithologic units, A6:5–19
basement
flood basalts, A8:13–16
lithologic units, A4:6
Precambrian, A8:6
basement, volcanic
basalt flows, A8:6–11
lithologic units, A6:6–19; A7:3–4
photograph, A6:33
basins, preglacial sedimentary basin fillings, A8:5
bioturbation
glaciomarine sediments, A8:3
lithologic units, A6:20
Blosseville Kyst, preglacial sedimentary basin fillings, A8:5
boulders, glacial, lithologic units, A4:7
breccia, lithologic units, A7:3–4
burrows, lithologic units, A4:5–6

C

calcite, lithologic units, A4:6
calcite cement
lithologic units, A6:20
thin section, A6:37
calcium oxide
basalt flows, A8:9–11
stratigraphy, A8:12, 34
volcanism, A8:15
vs. magnesium number, A8:29
carbon flakes
preglacial sedimentary basin fillings, A8:4–5
thin section, A6:37
carbon flasers, lithologic units, A6:9
carbonates, secondary minerals, A4:13
chemical stratigraphy, Transect EG63, A1:16
chrome spinel
composition, A8:22
igneous units, A6:21–23
iron-chromium-aluminum system, A8:22, 37
photomicrograph, A6:40
volcanic basement, A8:8
chromium
igneous units, A6:22–23
phenocrysts, A6:23
stratigraphy, A8:12, 34
vs. magnesium oxide, A8:32
See also iron-chromium-aluminum system
Chron 23r, magnetic polarity, A8:6
Chron 24n, magnetic polarity, A8:6
Chron 24r
magnetic polarity, A8:6
stratigraphy, A8:14
clasts
glaciomarine sediments, A8:3
igneous units, A6:21–23
lithologic units, A5:4
trace elements, A8:32
clasts, basalt
lithologic units, A4:6–14
photomicrograph, A6:39
clasts, diamicton, lithologic units, A6:5–19
clasts, rip-up, lithologic units, A6:19–21
clays
lithologic units, A4:6; A6:17–19
photomicrograph, A4:20; A6:39
secondary minerals, A4:13
claystone, metamorphosed, igneous provinces, A1:3
clinopyroxene
composition histograms, A8:23
igneous units, A6:21–23
lithologic units, A5:4
photomicrograph, A4:20; A5:10
volcanic basement, A8:7–8
See also olivine-plagioclase-clinopyroxene system
clinopyroxene phenocrysts
composition, A5:6, 15
composition histograms, A8:23
diopside-enstatite-ferrosilite-hedenbergite system, A8:24
lithologic units, A4:8, 13; A6:6–19; A7:3–4
modes in lava, A6:41
photomicrograph, A7:11
coal flasers
lithologic units, A6:20
preglacial sedimentary basin fillings, A8:4–5
cobbles, lithologic units, A4:7
compaction
lithologic units, A6:21
photomicrograph, A6:38
conglomerate, lithologic units, A5:4
continent–ocean transition, cross section, A1:15
corals, cold-water, photograph, A6:33
corals, glaciomarine sediments, A8:3
corals, live, glaciomarine sediments, A8:3
cores
description, A4:14; A5:6; A6:24; A7:5
photograph, A1:19
correlation, stratigraphy, A8:12–13
Cretaceous. See Albian; Maastrichtian
Cretaceous, Lower
palynology, A6:20
preglacial sedimentary basin fillings, A8:4–5
crust, basaltic, rifted margins, A1:1–19
crystal fractionation, lava, A8:31
crystallization, basalt flows, A8:11

D

dacite
cross section, A1:15
rifted margins, A1:3–4
demagnetization, alternating-field, basalts, A4:21; A5:11; A6:44; A7:13
diabase, medium-grained, photomicrograph, A7:11
diamicton
glaciomarine sediments, A8:3
lithologic units, A4:6–12; A5:4; A6:5–19; A7:4
photomicrograph, A6:36
dinoflagellates, preglacial sedimentary basin fillings, A8:4–5
diopside-enstatite-ferrosilite-hedenbergite system, clinopyroxene phenocrysts, A8:24
diopside-quartz-plagioclase system, basalts, A8:33
dip, seismic profiles, A4:2–4

E

East Greenland flood basalt province, flood basalts, A1:5
enstatite. See diopside-enstatite-ferrosilite-hedenbergite system
epidote, lithologic units, A6:9
eruptions, volcanism, A8:16

F

fabric
igneous units, A6:21–23
lithologic units, A6:19–21
faults, block, structure, A1:6–8; A6:4–5
faults, normal, seismic profiles, A4:2–4
faults, seabed morphology, A8:4
feldspars
lithologic units, A6:9
See also alkali feldspar
ferrosilite. See diopside-enstatite-ferrosilite-hedenbergite system
flasers. See carbon flasers; coal flasers
foraminifers
lithologic units, A6:11
photomicrograph, A6:36
forsterite
composition histograms, A8:21
volcanic basement, A8:7–9
fractures, lithologic units, A5:5; A6:12

G

gabbros, lithologic units, A5:4
geochronology, argon isotopes, A1:14
geology, rifted margins, A1:1–19
geophysics and site selection
Transect EG64, A7:2
Transect EG65, A6:3–4
Transect EG66, A5:2
Transect EG68, A4:2–4
glacial striations, seabed morphology, A8:4
glomerocrysts
lithologic units, A4:6–7; A5:4–5; A6:17
photomicrograph, A4:20; A5:10
volcanic basement, A8:7–8
gneiss fragments, glaciomarine sediments, A8:3
gneisses
lithologic units, A7:3–4
See also leucogneiss
gneisses, felsic, lithologic units, A6:5–19
gneisses, melanocratic
igneous units, A6:22
photomicrograph, A6:42
gneisses, melanocratic hornblende-biotite pegmatitic, Precambrian basement, A8:6
granite pebbles, lithologic units, A4:10; A6:10–11
granites, lithologic units, A5:4
gravel, basaltic, lithologic units, A4:6–11
gravel, lithologic units, A7:4
Greenland margin SE
basement map, A8:19
drilling data, A8:1–37
paleomagnetism, A8:6
rifted margins, A1:3–4
seismic profiles, A8:3

H

hedenbergite. See diopside-enstatite-ferrosilite-hedenbergite system

I

Iceland, upwelling, A1:1
iddingsite
igneous units, A6:21–23
lithologic units, A6:8, 16–19
photomicrograph, A4:20; A6:40
igneous petrology
Transect EG64, A7:4–5
Transect EG65, A6:21–22
Transect EG66, A5:4–5
Transect EG68, A4:12–13
igneous provinces
development, A1:2–3
rifted margins, A1:1–19
igneous units, composition, A4:13; A5:5–6; A6:22–23; A7:5
inclusions
igneous units, A6:21–23
photomicrograph, A6:40
intergrowths, photomicrograph, A6:39
iron-chromium-aluminum system, chrome spinel, A8:22
iron oxides
basalt flows, A8:9–11
igneous units, A4:13; A5:5; A6:22; A7:5
stratigraphic correlation, A8:12–13, 34
vs. loss on ignition, A8:28
vs. magnesium number, A8:29
vs. magnesium oxide, A8:30–31, 36
iron-titanium oxides, photomicrograph, A4:20; A5:10; A6:39; A7:11

K

Koenigsberger ratio, basalts, A4:14; A6:23–24

L

laminations, preglacial sedimentary basin fillings, A8:5
lava
basalt flows, A8:11
crystal fractionation, A8:31
photomicrograph, A4:20; A6:39
rifted margins, A1:3–4
trace elements, A8:32
lava, fine-grained, photomicrograph, A7:11
lava flows, composition, A4:1–2
Leg 163X, drilling operations, A2:1–10
leucogneiss, garnet-bearing foliated, lithologic units, A7:4
lithologic units
Transect EG64, A7:3–4
Transect EG65, A6:5–19
Transect EG66, A5:3–4
Transect EG68, A4:5–11
Unit C-1, A4:6–10; A6:5–19
Unit I-1, A4:6–9; A5:3–4; A6:5–19; A7:3–4
Unit S-1, A4:5–11; A5:4; A6:5–19; A7:3–4
lithosphere, continental, development, A1:2–3
lizardite, igneous units, A6:21–23
loss on ignition
vs. iron oxide, A8:28
vs. magnesium oxide, A8:28

M

Maastrichtian, preglacial sedimentary basin fillings, A8:5
magma chambers, rifted margins, A1:3–4
magmas, argon isotopes, A1:14
magnesium, volcanic basement, A8:8
magnesium number
basalt flows, A8:10–11
clinopyroxene phenocrysts, A8:23
igneous units, A4:13; A5:5; A6:22; A7:5; A8:35
phenocrysts, A5:6; A6:23
relative position, A1:16
spinel vs. melt, A8:22
stratigraphy, A8:12, 34
variations in lava, A6:43
volcanic basement, A8:8–9
volcanism, A8:15–16
vs. major oxides, A8:29
magnesium oxide
basalt flows, A8:9–11
igneous units, A4:13
stratigraphy, A8:12, 34
vs. iron oxide, A8:30–31, 36
vs. loss on ignition, A8:28
vs. titanium oxide, A8:30, 36
vs. trace elements, A8:32
magnetic inclination, basalts, A4:14; A5:6; A6:23–24; A7:5
magnetic intensity, basalts, A4:14; A6:23–24
magnetic polarity, basalts, A4:13–14; A5:6
magnetic reversals, magnetic polarity, A8:6
magnetic susceptibility, basalts, A4:14; A6:23–24
major elements, basalt flows, A8:9–11
maps, geologic, A1:13
marine environment, shallow, preglacial sedimentary basin fillings, A8:4–5
melting, igneous provinces, A1:2–3
mesostasis
lithologic units, A4:8; A5:4
photomicrograph, A4:20; A6:40
mica
lithologic units, A6:9
photomicrograph, A6:42
mica, elongate, photomicrograph, A6:38
microphenocrysts, diopside-enstatite-ferrosilite-hedenbergite system, A8:24
morphology, seabed, A8:4
mud
glaciomarine sediments, A8:3
lithologic units, A4:5–6

N

Nansen Fjord, drilling, A1:7
nickel
igneous units, A6:22–23
stratigraphy, A8:12, 34
variations in lava, A6:43
vs. magnesium oxide, A8:32

O

ocean floors, seabed morphology, A8:4
olivine
composition histograms, A8:21
photomicrograph, A4:20
stratigraphic correlation, A8:12–13
volcanic basement, A8:7–8
See also forsterite
olivine phenocrysts
igneous units, A6:21–23
lithologic units, A6:9; A7:3–4
modes in lava, A6:41
volcanism, A8:15
olivine phenocrysts, elongate, photomicrograph, A6:40
olivine-plagioclase-clinopyroxene system, phase equilibria, A8:20
organic debris, lithologic units, A6:20
overgrowths, photomicrograph, A6:38

P

paleoenvironment, lithologic units, A6:20–21
Paleogene, rifted margins, A1:1–19
paleomagnetism
Greenland margin SE, A8:6
Transect EG64, A7:5, 16
Transect EG65, A6:23–24, 50
Transect EG66, A5:6, 16
Transect EG68, A4:13–14, 25
palynology, lithologic units, A6:20
pebbles
glaciomarine sediments, A8:3
lithologic units, A4:6–11; A6:5–19; A7:3–4
See also granite pebbles
pegmatite, melanocratic hornblende-biotite, lithologic units, A6:8
petrography, volcanic basement, A8:7–8
phase equilibria
basalt flows, A8:11
olivine-plagioclase-clinopyroxene system, A8:20
phenocrysts
composition, A4:13, 24; A5:6, 15; A6:23, 49; A7:5, 15
plagioclase vs. mafic minerals, A8:26
volcanic basement, A8:7–9
See also clinopyroxene phenocrysts; microphenocrysts; olivine phenocrysts; plagioclase phenocrysts
picrite
cross section, A1:15
volcanic basement, A8:7–8
pipe vesicles, photograph, A6:34
plagioclase
composition histograms, A8:25
igneous units, A6:21–23
lithologic units, A5:4
photomicrograph, A4:20; A5:10; A7:11
volcanic basement, A8:7–9
See also diopside-quartz-plagioclase system; olivine-plagioclase-clinopyroxene system
plagioclase laths, photomicrograph, A6:39
plagioclase phenocrysts
composition, A4:13, 24; A5:6, 15
lithologic units, A4:8; A6:6–19; A7:3–4
modes in lava, A6:41
photomicrograph, A7:11
volcanism, A8:15
plumes, Iceland, A1:1–2
porosity, occluding, lithologic units, A6:20
potassium oxide
basalt flows, A8:9–11
vs. magnesium number, A8:29
vs. silica, A8:27
Precambrian, basement, A8:6

Q

quartz
lithologic units, A6:9
secondary minerals, A4:13
thin section, A6:37
See also diopside-quartz-plagioclase system
quartz, angular, photomicrograph, A6:36, 38
quartzites, lithologic units, A5:4
quartzwacke, thin section, A6:37
Quaternary, glaciomarine sediments, A8:3

R

reflections, seismic profiles, A4:2–4
remanent magnetization, characteristic, basalts, A5:6; A6:23–24; A7:5
remanent magnetization, viscous, basalts, A7:5
rifted margins, geology, A1:1–19
rifting, preglacial sedimentary basin fillings, A8:5
rubble, lithologic units, A6:12
Ryberg Formation, preglacial sedimentary basin fillings, A8:5

S

sandstone
lithologic units, A6:9; A7:3–4
preglacial sedimentary basin fillings, A8:4–5
sandstone, arkosic, preglacial sedimentary basin fillings, A8:4–5
sandstone, fine-grained arkosic, photomicrograph, A6:38
sandstone, friable, photograph, A6:35
sandstone, quartz, preglacial sedimentary basin fillings, A8:4–5
sandstone fragments, glaciomarine sediments, A8:3
seabed, morphology, A8:4
secondary minerals
lithologic units, A4:13
volcanic basement, A8:7–8
sedimentary cover, glaciomarine sediments, A8:3
sedimentary petrology
Transect EG64, A7:4
Transect EG65, A6:19–21
Transect EG66, A5:4
Transect EG68, A4:11–12
sediments, glaciomarine
composition, A4:1–2; A6:19–21
lithologic units, A4:11–12; A5:4
sedimentary cover, A8:3
stratigraphy, A8:14–16
sediments, lithologic units, A4:11–12
sediments, preglacial, composition, A8:4–5
seismic profiles
Greenland margin SE, A8:3
Transect EG64, A7:8–10
Transect EG65, A6:27–32
Transect EG66, A5:9
Transect EG68, A4:17–19
seismic surveys, structure, A1:6–8
silica
igneous units, A4:13; A7:5
relative position, A1:16
vs. potassium oxide, A8:27
silicification, lithologic units, A6:8
silt
glaciomarine sediments, A8:3
lithologic units, A4:5–6
siltstone, metamorphosed, igneous provinces, A1:3
siltstone, preglacial sedimentary basin fillings, A8:5
Site 915, igneous provinces, A1:3–4
Site 917, igneous provinces, A1:3–4
Site 918, igneous provinces, A1:3–4
Site 989, igneous provinces, A1:3–4
Site 990, igneous provinces, A1:3–4
Site SEG01, site description, A5:3–4
Site SEG02, site description, A5:4
Site SEG03, site description, A4:5–6
Site SEG04, site description, A4:6
Site SEG05, site description, A4:6–7
Site SEG06, site description, A4:7
Site SEG07, site description, A4:7
Site SEG08, site description, A4:7
Site SEG09, site description, A4:8
Site SEG10, site description, A4:8
Site SEG11, site description, A4:8
Site SEG12, site description, A4:9
Site SEG13, site description, A4:9
Site SEG14, site description, A4:9
Site SEG15, site description, A4:9
Site SEG16, site description, A4:9–10
Site SEG17, site description, A4:10
Site SEG18, site description, A4:10
Site SEG19, site description, A4:10
Site SEG20, site description, A4:11
Site SEG21, site description, A6:5–6
Site SEG22, site description, A6:6
Site SEG23, site description, A6:6
Site SEG24, site description, A6:6
Site SEG25, site description, A6:6
Site SEG26, site description, A6:6
Site SEG27, site description, A6:7
Site SEG28, site description, A6:7
Site SEG29, site description, A6:7
Site SEG30, site description, A6:7
Site SEG31, site description, A6:7
Site SEG32, site description, A6:8
Site SEG33, site description, A6:8
Site SEG34, site description, A6:8
Site SEG35, site description, A6:8
Site SEG36, site description, A6:8
Site SEG37, site description, A6:8
Site SEG38, site description, A6:9
Site SEG39, site description, A6:9
Site SEG40, site description, A6:9
Site SEG41, site description, A6:9
Site SEG42, site description, A6:10
Site SEG43, site description, A6:10
Site SEG44, site description, A6:10
Site SEG45, site description, A6:10
Site SEG46, site description, A6:11
Site SEG47, site description, A6:11
Site SEG48, site description, A6:11
Site SEG49, site description, A6:11
Site SEG50, site description, A6:11
Site SEG51, site description, A6:12
Site SEG52, site description, A6:12
Site SEG53, site description, A6:12
Site SEG54, site description, A6:12–13
Site SEG55, site description, A6:13
Site SEG56, site description, A6:13
Site SEG57, site description, A6:13
Site SEG58, site description, A6:14
Site SEG59, site description, A6:14
Site SEG60, site description, A6:14
Site SEG61, site description, A6:14
Site SEG62, site description, A6:15
Site SEG63, site description, A6:15
Site SEG64, site description, A6:15
Site SEG65, site description, A6:15
Site SEG66, site description, A6:16
Site SEG67, site description, A7:3
Site SEG68, site description, A7:3
Site SEG69, site description, A7:3
Site SEG70, site description, A7:3–4
Site SEG71, site description, A7:4
Site SEG72, site description, A7:4
Site SEG73, site description, A6:16
Site SEG74, site description, A6:16–17
Site SEG75, site description, A6:17
Site SEG76, site description, A6:17–18
Site SEG77, site description, A6:18
Site SEG78, site description, A6:18
Site SEG79, site description, A6:18–19
Site SEG80, site description, A6:19
Site SEG81, site description, A6:19
site summaries
Transect EG66, A5:3–4
Transect EG68, A4:5–11
slickensides, lithologic units, A5:5
sodium oxide
basalt flows, A8:9–11
phenocrysts, A5:6
vs. magnesium number, A8:29
spinel
phenocrysts, A6:23
See also chrome spinel
stratigraphy
basalt flows, A8:12
correlation, A8:12–13
summary, A1:17
volcanism, A8:13–16
strontium
igneous units, A5:5–6; A6:23
stratigraphy, A8:12, 35
volcanism, A8:16
vs. magnesium oxide, A8:32

T

textures, glomerocrystic, photomicrograph, A7:11
textures, glomeroporphyritic, igneous units, A6:21–23
textures, photomicrograph, A5:10
textures, porphyritic, igneous units, A6:21–23
textures, seriate
igneous units, A6:21–23
lithologic units, A4:12
photomicrograph, A7:11
volcanic basement, A8:7–8
textures, subophitic
lithologic units, A7:4
photomicrograph, A6:39
textures, trachytic, lithologic units, A4:12; A6:13
thin sections, description, A4:14; A5:6; A6:24; A7:5
tholeiites, rifted margins, A1:3–4
till, glaciomarine sediments, A8:3
titanium, vs. aluminum, A8:24
titanium/aluminum ratio
stratigraphy, A8:15
volcanic basement, A8:9
titanium oxide
basalt flows, A8:10–11
igneous units, A4:13; A5:5; A6:22
stratigraphic correlation, A8:12–13, 34
variations in lava, A6:43
volcanism, A8:16
vs. magnesium number, A8:29
vs. magnesium oxide, A8:30, 36
See also iron-titanium oxides
trace elements
lava and clasts, A8:32
vs. magnesium oxide, A8:32
Transect EG63, cross section, A1:15
Transect EG64, A7:1–16
core and thin section description, A7:5
geophysics and site selection, A7:2
igneous petrology, A7:4–5
igneous unit composition, A7:5
location, A7:7
operations, A7:2–3
paleomagnetism, A7:5, 16
phenocryst composition, A7:5, 15
principal results, A7:1–2
scientific objectives, A7:1
sedimentary petrology, A7:4
seismic profiles, A7:8–10
site description, A7:1–16
site summaries, A7:3–4
volcanic stratigraphy, A1:7–8
Transect EG65, A6:1–50
core and thin section description, A6:24
core summaries, A6:45–46
geophysics and site selection, A6:3–4
igneous petrology, A6:21–22
igneous unit composition, A6:22–23
location, A6:26
operations, A6:4–5
paleomagnetism, A6:23–24, 50
phenocryst composition, A6:23, 49
principal results, A6:2–3
scientific objectives, A6:1–2
sedimentary petrology, A6:19–21
seismic profiles, A6:27–32
site description, A6:1–50
site summaries, A6:5–19
volcanic stratigraphy, A1:7
Transect EG66, A5:1–16
core and thin section description, A5:6
core summaries, A5:12
geophysics and site selection, A5:2
igneous petrology, A5:4–5
igneous unit composition, A5:5–6
location, A5:8
operations, A5:3
paleomagnetism, A5:6, 16
phenocryst composition, A5:6
principal results, A5:2
scientific objectives, A5:1–2
sedimentary petrology, A5:4
seismic profiles, A5:9
site description, A5:1–16
site summaries, A5:3–4
volcanic stratigraphy, A1:7
Transect EG68, A4:1–25
core and thin section description, A4:14
cores, A4:22
geophysics and site selection, A4:2–4
igneous petrology, A4:12–13
igneous unit composition, A4:13
location, A4:16
operations, A4:4–5
paleomagnetism, A4:13–14, 25
phenocryst composition, A4:13
principal results, A4:1–2
scientific objectives, A4:1
sedimentary petrology, A4:11–12
seismic profiles, A4:17–19
site description, A4:1–25
site summaries, A4:5–11
volcanic stratigraphy, A1:6–7
transects, location, A1:18
tuff, rifted margins, A1:3–4
turbidites, preglacial sedimentary basin fillings, A8:5

U

unconformities, cross section, A1:15

V

vanadium, igneous units, A6:22–23
Vandfaldsdalen Formation, preglacial sedimentary basin fillings, A8:5
veins, calcite, lithologic units, A5:4
vesicle fillings
lithologic units, A4:13
photomicrograph, A6:39
vesicles
igneous units, A6:22–23
lithologic units, A4:6
See also pipe vesicles
volcanic rocks
prebreakup, breakup, and postbreakup series, A1:3–4
rifted margins, A1:3–4
volcanism
basalts, A1:5
stratigraphy, A8:13–16

W

weathering, seabed morphology, A8:4

X

X-ray fluorescence data, basalts, A4:23; A5:5–6, 13–14; A6:47–48; A7:14
xenoliths, lithologic units, A6:12

Y

yttrium. See also zirconium/yttrium ratio

Z

zeolites
photomicrograph, A6:39
secondary minerals, A4:13
zinc, vs. magnesium oxide, A8:32
zircon, photomicrograph, A6:42
zirconium
basalt flows, A8:11
igneous units, A6:23; A8:35
stratigraphy, A8:12
volcanism, A8:16
vs. magnesium oxide, A8:32
See also barium/zirconium ratio
zirconium/yttrium ratio, relative position, A1:16
zoning, vesicle fillings, A4:13

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