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acanthostrongyles, Site 918, B:192, 196

acanthostyles, Site 918, B:192, 196

acanthotylostyles, Site 918, B:192, 196

acanthoxeas, Site 918, B:192, 196

accretion, crust, A:291; B:515-516

Aegir Ridge, physiography, A:6-7

Aeolian Islands, obsidian, B:85-91

aeromagnetic profiles, Greenland Margin SE, A:289

age

basement, B:484, 486-488
eruptions, B:510
foraminifers, B:244-245
lava, B:387-402
strontium isotopes, B:237-238
See also chronostratigraphy; dating; stratigraphy

age vs. depth

Site 914, A:67
Site 915, A:82
Site 918, A:226; B:237, 269, 297
Site 919, B:246, 269
Sites 914-917, A:175

albite

alteration minerals, B:131-133
lithologic units, A:116
mineral chemistry, B:137, 139
photograph, B:144

algae

biostratigraphy, B:201-208
Cenozoic, B:221-231

alkali metals

geochemical data, A:99
interstitial waters, B:297-299
sediments, A:236, 270

alkaline earths

geochemical data, A:99
interstitial waters, B:296-297
lava flows, A:137-139
sediments, A:235, 270

alkalinity

geochemical data, A:98-99
sediments, A:234-235
vs. depth, A:102, 238, 271

alkalis, lava flows, A:137-139

alteration

basalts, A:229
geochemical data, A:100
lava flows, A:134-135
lithologic units, A:60-62, 116
metamorphism, B:419-423
photograph, B:144
volcanic rocks, B:334, 336-337
volcaniclastics, B:115-128
volcanics, B:304
X-ray fluorescence, B:426-427
See also basalts, altered; basalts, weathered; diagenesis; lava flows, altered; metamorphism; weathering

aluminum

vs. noninterlayer cation total, B:421
See also iron/aluminum ratio

aluminum oxide

basalts, B:363, 365-366
experimental liquids, B:366
vs. depth, B:423
vs. magnesium oxide, B:61, 100
vs. silica, B:23, 62, 102
X-ray fluorescence, B:426
See also calcium oxide/aluminum oxide ratio

ammonium

geochemical data, A:98-99
sediments, A:234-235
vs. depth, A:102, 238, 271

amphibole, lithologic units, A:77

amphibolite facies, contamination, B:508-509

amphidiscs, Site 918, B:192, 198

analcite

alteration, B:426
lava flows, A:134-135
mineral chemistry, B:419
occurrence, B:418

anorthite, composition, B:408

Arctic Ocean, physiography, A:6-7

argon isotopes

age, B:486, 510
correlation, B:391-393, 396-397, 399-400
correlation diagrams, B:111
lava, B:387-402
tephra, B:105, 107
vs. calcium/potassium ratio, B:109
vs. potassium, B:109

ash layers, units, B:102

Atlantic Ocean N

biostratigraphy, B:175-176
correlation, B:204-205
paleoclimatology, B:247-248
plate tectonics, B:482, 505-506
volcanic rocks, B:315-330
See also North Atlantic Deep Water; North Atlantic Rifted Margins Detailed Planning Group; North Atlantic Tertiary Volcanic Province

Atlantic Ocean NE

physiography, A:6-7
rifted margins, A:5-16

barium

metasedimentary rocks, B:135–137
X-ray fluorescence, B:426

barium/niobium ratio

basalts, B:491
vs. depth, B:489

barium/zirconium ratio

basalts, A:229, 279–281; B:491
volcanic rocks, B:339–340, 342
vs. depth, A:139; B:378
vs. silica, B:320–321
vs. zirconium/niobium ratio, A:287

basaltic composition, volcanic ash, B:70–71, 79–84

Basaltic Igneous Unit I, magnetostratigraphy, A:223–224

basalts

alteration, A:229
breakup volcanism, A:287–288
composition, A:229; B:376
fractionation, B:318–321
isotopes, B:355–356
lithologic units, A:78, 204–205
low pressure experiments, B:359–372
magnetic susceptibility, B:276–278
margins, A:12–15
petrology, A:80–81, 279–281
rare earths, B:481
seismic properties, B:453–462
X-ray fluorescence data, A:83
See also clasts, basaltic; lava, basaltic; metabasalts; picrite

basalts, altered, photograph, B:127

basalts, aphyric

lava flows, A:132–133
petrography, A:228

basalts, aphyric-olivine

lava flows, A:132
photograph, A:131, 134

basalts, olivine-aphyric, petrography, B:404–405

basalts, olivine-phyric

lava flows, A:132
petrography, B:404–405

basalts, olivine-plagioclase-clinopyroxene-phyric, lava flows, A:132

basalts, olivine-plagioclase-phyric

lava flows, A:132
petrography, B:404–405

basalts, plagioclase-phyric, lava flows, A:132

basalts, plagioclase-pyroxene-phyric, petrography, A:228

basalts, weathered, clays, B:119, 121

basement

age, B:484, 486–488
magnetostratigraphy, A:224
paleomagnetism, B:259–264
sedimentation, A:281–282
volcanism, A:49–50

basins

correlation, B:520–521
crust, B:521–522
genesis, A:282–283

basins, starved, lithologic units, A:208

bedding

histograms, B:446–447
photograph, B:131

bedding planes, lithologic units, A:93

beidellite, mineral chemistry, B:421

bioevents, Cenozoic, B:163, 166, 169, 173

biogenic components, sediments, A:234–235, 270

biomagnetostratigraphy, correlation, A:265–266

biomarkers, sediments, B:285

bioprovinces, planktonic foraminifers, B:176–177

biosiliceous debris, Paleogene, B:249–250

biostratigraphic summary

Site 918, A:210–223
Site 919, A:265–266

biostratigraphy

Bolboforma, B:201–208
calcareous nannofossils, B:147–160
planktonic foraminifers, B:161–189
Site 914, A:62–64
Site 915, A:78
Site 916, A:94, 96
Site 917, A:117–119
Site 918, A:208–219
Site 919, A:264–266
summary, A:80–81

biotite

metasedimentary rocks, B:132–133
photograph, B:144

bioturbation

lithologic units, A:60–62, 76–78
paleoenvironment, B:289
sediments, A:61, 94, 200, 206–208
See also burrows

bivalves, photograph, A:201

blue reflector, lithologic units, B:14–16

Bolboforma, biostratigraphy, A:218–219; B:201–208

Bopladsdalen Formation, stratigraphy, B:225

borehole elongation, vs. depth, B:445

boron

geochemical data, A:99
sediments, A:237
vs. depth, A:102, 239

bottom waters, development, A:283

breccia

flows, A:229
lava flows, A:129–131
lithologic units, A:78; B:102–103
See also lava, brecciated

breccia, scoriaceous, magnetic susceptibility, B:277, 279

breccia, volcanic

lithologic units, A:94
photograph, A:95

brecciation, lava flows, B:338–339

Brunhes Chron, magnetostratigraphy, A:221–224

Brunhes/Matuyama boundary, magnetostratigraphy, B:268–269

burrows

lithologic units, A:116, 196, 198, 204
metasedimentary rocks, B:130–131
sediments, A:61, 94, 200–201, 208
See also bioturbation

lava flows, A:135
lithologic units, A:60-62
photograph, A:228-229
veins, B:120
vs. depth, A:134

calcite, dendritic, photograph, A:96

calcium

metasedimentary rocks, B:135
sediments, A:272; B:20, 23
vs. depth, A:102, 238, 271; B:295, 298
vs. magnesium, B:295, 298
vs. sodium/chloride ratio, B:298
weathered basalt, B:119, 121
See also magnesium/calcium ratio; potassium/calcium ratio

calcium/potassium ratio, vs. argon isotopes, B:109

calcium oxide

basalts, A:229; B:363, 365-366
experimental liquids, B:366
vs. depth, B:24, 423
vs. magnesium oxide, A:229, B:61, 100
vs. silica, B:23, 62, 102
vs. titanium oxide, B:103
See also potassium oxide/calcium oxide ratio

calcium oxide/aluminum oxide ratio

basalts, B:365
vs. magnesium oxide, B:367

caliper logs

vs. depth, A:128
vs. hole elongation, A:149; B:445

carbon

metasedimentary rocks, B:135
sediments, A:67, 82-83, 230, 269
temperature, B:138

carbon, organic, Cenozoic, B:283-292

carbon, organic/nitrogen ratio, vs. depth, A:100, 233; B:284-285

carbon, total, organic

vs. carbon, organic/nitrogen ratio, A:233
vs. depth, A:67, 83, 100, 231, 269; B:284
vs. total nitrogen, A:83, 231, 269

carbon isotopes, foraminifers, B:243-248

carbon number, n-alkanes, B:291

carbonate content

metasedimentary rocks, B:135
sediments, A:230, 269
Site 915, A:83, 100, 231, 269
vs. depth, A:67

celadonite, mineral chemistry, B:421

celadonite/smectite mixed mineral, alteration, B:426

cement, glauconitic, photograph, A:203

cementation, lithologic units, A:62

Cenozoic

biostratigraphy, B:161-189
Bolboforma, B:201-208
clays, B:39-49
isotope stratigraphy, B:233-241
organic carbon, B:283-292
paleoenvironment, B:51-52
palynomorphs, B:221-231
sponge spicules, B:191-199
See also Holocene; Paleogene; Pleistocene; Quaternary; Tertiary

cerium

metasedimentary rocks, B:136
X-ray fluorescence, B:427

cerium/yttrium ratio

volcanic rocks, B:342
vs. silica, B:343
vs. zirconium/niobium ratio, B:322-324

chabazite

alteration, B:426
lava flows, A:134-135
occurrence, B:418
phase equilibria, B:419-420

chalk, massive, photograph, A:200

chalk, nannofossil

lithologic units, A:196, 198, 204
photograph, A:201, 203-204, 207

channel-levee complexes, sedimentation, B:8-17

channels, sedimentation, B:8-17

chloride

interstitial waters, B:299-300
sediments, A:236-237, 270
vs. depth, A:103, 239, 272; B:296, 300, 303
vs. oxygen isotopes, B:296

chlorine. See sodium/chlorine ratio

chlorite

alteration minerals, B:131
lithologic units, A:116
metamorphism, B:422-423
mineral chemistry, B:137, 140-141, 420-422
Pearson correlation coefficients, B:43, 46
photograph, B:144
vs. depth, B:42

chlorite/smectite mixed mineral, mineral chemistry, B:420-422

chromium, metasedimentary rocks, B:136

chromium oxide, spinels, B:407

Chron 23n, magnetostratigraphy, B:223-224, 511, 513, 518

Chron 23r

age, B:486
magnetostratigraphy, B:223-224

Chron 24n

continental margin, A:288-292; B:511, 513
magnetostratigraphy, B:223-224

Chron 24r

age, B:484, 486-488, 510-513
continental margin, A:288-292; B:505
correlation, A:79
demagnetization, B:263-264
seismic reflectors, A:9

Chron 25r

continental margin, A:288-292; B:513
demagnetization, B:264

Chron 26r

age, B:484, 486-488, 511
demagnetization, B:264

Chron 27n, continental margin, A:288-292; B:394

Chron 27r, age, B:486, 511

Chron C1r, biomagnetostratigraphy, A:265-266

Chron C2n, biomagnetostratigraphy, A:265-266

Chron C12r, magnetic polarity, A:66

Chron C13n, magnetic polarity, A:66

Chron C13r, magnetic polarity, A:66

Chron C15n, magnetic polarity, A:66

Chron C18r, correlation, A:79

Chron C19n, correlation, A:80

Chron C22n-C21n, seafloor spreading anomalies, B:463-464

Chron C23n, aeromagnetic profiles, A:289

Chron C24, seismic reflectors, A:6

Chron C24n, aeromagnetic profiles, A:289

Chron C24n-C24r, seafloor spreading anomalies, B:463-464

Chron C24r

lava, A:119
magnetostratigraphy, A:223-224
sediments, A:97

Chron C26r, seismic reflectors, A:6

Chron C27n, seismic reflectors, A:6

chronostratigraphy

Paleogene, A:15-16
See also age; dating; stratigraphy

chrons. See cryptochrons; magnetochrons

clasts

composition, A:169
diamicton, A:169
lithologic units, A:57-62, 92
photograph, A:95

clasts, basaltic, photograph, A:79

clasts, clayey, photograph, B:127

clasts, gravel, lithology, A:93

clasts, rip-up, photograph, A:202

clasts, vitric, photograph, B:112

clay

grain size, B:39-49
lithologic units, A:261-264
photograph, B:128
volcaniclastics, B:122
vs. depth, B:42
weathering, B:117
See also clasts, clayey

clay, green, photograph, A:132

clay, silty, lithologic units, A:261-264

clay minerals

distribution and chemistry, B:417-424
mineral chemistry, B:420-422
sediments, B:39-49
vs. depth, A:134; B:42
See also beidellite; celadonite; celadonite/smectite mixed mineral; chlorite/smectite mixed mineral; illite; kaolinite; smectite

claystone, metamorphosed

lithologic units, A:115-116
See also metaclaystone

clinochlore, mineral chemistry, B:421

clinoptilolite

mineral chemistry, B:419-420
volcaniclastics, B:122

clinopyroxene

basalts, B:404-405
crust, B:344
photograph, B:113
X-ray fluorescence, B:428
See also basalts, olivine- plagioclase-clinopyroxene-phyric

cobalt

metasedimentary rocks, B:136
X-ray fluorescence, B:427

cobbles

lithologic units, A:170-173
petrology, A:80-81

compressional wave velocity

lava, B:458
Site 916, A:105
summary, A:87
vs. density, B:460
vs. depth, A:70, 240-241, 245-248, 273, 275
vs. porosity, B:460
vs. resistivity, B:460
vs. shear wave velocity, B:459
vs. unit thickness, B:461

conglomerate

lithologic units, A:78
units, B:102-103

conglomerate, volcanic, lithologic units, A:115, 170-173

contamination

crust, B:318-321, 343-344, 351-357, 493-494
lava flows, A:137-139; B:400
lithosphere, B:508-509

continent/ocean transition

Greenland Margin SE, B:463-475, 528-529
seismic reflectors, A:9-12
transgression, B:516-517, 522

continental breakup, isotopes, B:351-356, 398, 503-533

continental margin

breakup, A:5-16
history, A:288-292
subsidence, A:282-283

continental rise

morphology, B:5-6
sedimentation, B:3-18
sediments, B:19-28

continental shelf

Greenland E, A:49-52; B:29-38
stratigraphy, A:159-175

continental slope

morphology, B:5-6
sedimentation, B:3-18

Continental Succession, stratigraphy, B:508-509, 514-515

contour processes, sedimentation, B:3-18

convection, basalts, B:481

copper, metasedimentary rocks, B:136

copper, native, vs. depth, A:134

correlation, Paleogene, B:253-257

correlation coefficients

clay minerals, B:43, 46
X-ray fluorescence, B:428

Cretaceous

basins, B:520
metamorphism, B:139

cross laminations

lithologic units, A:202
photograph, A:203

crust

accretion, A:291; B:510, 515-516
contamination, B:318-321, 343-344, 351-357, 493-494
continent/ocean transition, B:463-475
fractional crystallization, B:355
kinematics, A:6-9
lava flows, B:488-489
models, B:472-473
structure, B:518-522
See also mantle; Mohorovicic discontinuity

crust, lower, reflectors, B:471-472

crust, oceanic, volcanism, B:468-469

crust, upper, reflectors, B:469-471

crustal wedges, models, B:474

cryptochrons

demagnetization, B:263-264
See also magnetochrons

cryptochrons 1-11, age, B:511, 513

crystallization, pyroxenes, B:409-411

currents, deep-sea, B:6-7

lava flows, A:133-134
petrography, B:405
photograph, A:130, 134

dating

tephra, B:54-55, 105, 107
volcaniclastics, B:71
See also age; chronostratigraphy; stratigraphy

debris flows

photograph, B:127
sediments, A:97
See also pyroclastic flows

debris flows, ice-rafted

deposition, A:283, 286-287
geochemistry, B:26-28
photograph, sediments, A:199

debris flows, polymict

deposition, A:171
intervals, A:172

debrites, lithologic units, A:170-173

deltaic environment

sedimentation, A:281-282
volcaniclastics, B:123-125

deltaic sediments, lithostratigraphy, B:119

demagnetization

projection, A:82
sediments, A:96-97; B:266
Zijderveld diagrams, B:254, 262-263

demagnetization, alternating-field

lava, A:121; B:261-262
plots, A:66

demagnetization, thermal, lava, B:262-263

Denmark Strait

morphology, B:5-6
paleoceanography, A:283; B:156

Denmark Strait Overflow Water, currents, B:6-10

density

crust, B:471
vs. compressional wave velocity, B:460
vs. depth, A:69, 85, 104, 127, 143

density, bulk, vs. depth, A:128

density, discrete, vs. depth, A:240-241, 273

density, GRAPE, vs. depth, A:240-241, 273

density logs, vs. depth, B:442, 457

density-natural gamma ray logs, A:156-158

deposition, Neogene-Quaternary, B:29-38

diagenesis

interstitial waters, B:307
saponite, B:423
strontium isotopes, B:236-237

diamicton

lithologic units, A:57-62, 76, 92, 167-168, 195-196
lithology, A:93
photograph, A:60, 93

diatoms

biostratigraphy, B:209-219
Paleogene, B:249-250

dikes, histograms, B:446, 448

dinoflagellates, Cenozoic, B:221-231

dischorhabds, Site 918, B:193, 197

Dohrn Bank, currents, B:6-7

downhole measurements, A:145-151; B:453-462

drifts

sedimentation, B:8-17
stratigraphy, B:14-17

dropstones

composition, A:196
distribution, A:263
ice-rafted debris, A:283; B:154, 156
lithologic units, A:57-62, 92, 113-114, 167-168, 194-196, 262-264
photograph, A:59, 197, 200
rock types, A:264
vs. depth, A:196

Dye 3 Site, tephra, B:53, 64

East Greenland Margin

alteration, B:115-128
biostratigraphy, B:161-189
evolution, B:26-27
interstitial waters, B:307-311
metamorphic rocks, B:129-144
site description, A:53-71
See also Greenland Margin; Southeast Greenland Transect

East Greenland Shelf

depositional history, B:29-38
site description, A:73-87, 89-105, 107-158
stratigraphy, A:159-175
volcaniclastics, B:93-113

ebridians

continental rise, B:191-199
Paleogene, B:249-250

EG63 Transect

seafloor spreading anomalies, B:463-464
seismic reflectors, A:9-12
See also Southeast Greenland Transect

Eirik Ridge, sedimentation, B:8, 17

electrical logs, structures, B:439-451

electron probe microanalysis, interlaboratory comparison, B:85-91

elements, incompatible, primitive mantle, B:378-379

Eocene

biostratigraphy, B:147-160, 165
Bolboforma, B:201-208
clays, B:41-46
diatoms, B:249-250
laterite-derived facies, B:117
lithologic units, A:60-62, 76-78, 92-94, 114-115, 204
magnetostratigraphy, B:253-257
margins, A:12-15
paleoenvironment, B:289
sedimentation, A:281-282
sponge spicules, B:191-199
stratigraphy, B:225

epidote

lithologic units, A:77
metasedimentary rocks, B:132-133

erosion

crust, A:291-292
deposition, A:173
history, B:517
lithologic units, B:34-36

eruptions

volcanism, B:486-489, 515
See also volcanism

ethane, sediments, A:82, 230-231, 269

Faeroe-Iceland-Greenland Ridge, physiography, A:6-7

Faeroes Plateau, volcanic rocks, B:347, 505

Faeroes Plateau Lava Group, eruptions, B:488

fan deposition, lithologic units, A:208

fault zones

histograms, B:446
structure, B:518-519

faulting, crust, B:470

faults, lava flows, A:129-131

faults, normal

lithologic units, A:116
photograph, A:95

feldspar

age, B:106-111
composition, B:105
photograph, B:113, 131, 144
provenance, B:20
See also albite; anorthite; plagioclase

Feni Drift, sedimentation, B:15

flexure zones, coast-parallel, crust, B:466

flow, mantle, B:526-530

flow banding, density, B:449

fluid composition, metamorphism, B:422-423

fluvial environment

deposition, A:171-173
volcaniclastics, B:123-125

foraminifers, strontium isotopes, B:233-241

foraminifers, benthic

biostratigraphy, A:62-64, 78, 96, 118-119, 215-218, 264-265
list of selected species, A:64

foraminifers, planktonic

biostratigraphy, A:62, 78, 94, 96, 118, 209-215, 264; B:161-189
Quaternary, B:243-248

formation microscanner logs

seismic properties, B:456
Site 917, A:147
structural analysis, B:442-445

fractional crystallization, crust, B:355

fractionation

basalts, B:318-321, 376-380
lava flows, A:135-137
olivine, B:369-371
volcanic glass, B:368-369

fracture zones, density, B:450

fractures

formation microscanner logs, B:443, 445
lava flows, A:129-131
photograph, A:228
stress, B:447-448
vs. depth, A:134

lithostratigraphy, B:440-441
vs. depth, A:69, 85, 104, 127, 143, 150, 240-241, 273; B:442
See also density-natural gamma ray logs; resistivity-velocity-natural gamma-ray logs

garnet, crust, B:344

gases, headspace, sediments, A:234, 270

Gauss Chron, magnetostratigraphy, A:222

geochemical logs, vs. depth, A:128

Geochemical Stage 1, sediments, B:20, 26

Geochemical Stage 2, sediments, B:26

Geochemical Stage 3, sediments, B:20, 23, 26

Geochemical Stage 4, sediments, B:20, 26

Geochemical Stage 6, sediments, B:20, 23, 26

Geochemical Stage 7, sediments, B:20, 26

geochemistry

interlaboratory comparison, B:85-91
interstitial waters, B:293-305, 307-311
magmas, B:479-501
sediments, B:19-28
tephra, B:97-99
volcanic glass, B:67-84

geochemistry, inorganic

Site 914, A:67
Site 915, A:83
Site 916, A:97-101
Site 918, A:231-237
Site 919, A:269-272

geochemistry, organic

Site 914, A:66-67
Site 915, A:82-83
Site 916, A:97
Site 918, A:229-231
Site 919, A:267-269
summary, A:84

geopetal structures

photograph, A:132
vs. depth, A:134

geothermometry

chlorite, B:138
metamorphism, B:422-423

gibbsite

deltaic sediments, B:119
Eocene-Oligocene, B:125
photograph, B:128
volcaniclastics, B:122-124

glacial debris, isotopes, B:294-296

glaciation

clay minerals, B:44-48
lithologic units, B:34-36
onset, A:283, 286-287; B:154, 156
oxygen-isotope signal, B:301
sedimentation, B:29-30, 36-38
shelf, A:174
stable isotopes, B:247-248

glaciofluvial deposits, lithologic units, B:34-36

glaciomarine environment, lithologic units, A:167-168

glaciomarine sediments, deposition, A:286-287

glauconite

lithologic units, A:62, 198, 204-205; B:14, 46
photograph, A:202-203
subsidence, A:282-283
See also hardgrounds, glauconitic; pellets, glauconitic

glaucony

photograph, sediments, A:201-203
volcaniclastics, B:122

gneiss, contamination, B:508-509

goethite

deltaic sediments, B:119
grain size, B:120
volcaniclastics, B:122-124
weathering, B:117

grain size

clays, B:39-49
sediments, A:173
tephra, B:54-56
vs. depth, A:262

granulite facies, contamination, B:508-509

graphite

metasedimentary rocks, B:132-133
photograph, B:144
temperature, B:138

gravel

lithologic units, A:57-62, 92, 113-114, 167-168, 914-917
photograph, A:115, 206
See also clasts, gravel; conglomerate; pebbles

gravity modeling, geology, B:472-473

Greenland

glaciation, A:283, 286-287
tephra, B:53
See also East Greenland Margin; Norwegian-Greenland Sea; Southeast Greenland Transect

Greenland E, continental shelf, A:49-52

Greenland Fracture Zone, physiography, A:6-7

Greenland Margin

downhole measurements, B:453-462
magnetic susceptibility, B:271-280
palynomorphs, B:221-231
silicoflagellates, B:191-199
See also East Greenland Margin; Southeast Greenland Transect

Greenland Margin SE

aeromagnetic profiles, A:289
basaltic lavas, B:359-372
biostratigraphy, B:147-160, 249-250
breakup, A:5-16
continent-ocean transition, B:463-475
lava, B:387-402
magmas, B:479-501
magnetostratigraphy, B:253-257
mantle, B:373-386
secondary minerals, B:417-424
sedimentation, B:3-18
sediments, B:19-28
site description, A:177-256
structures, B:439-451
tectonics and volcanism, B:503-533
volcanic rocks, B:315-357, 425-429

Greenland Ridge. See Faeroe-Iceland-Greenland Ridge

Greenland-Scotland Ridge, sedimentation, B:249

greensand

photograph, A:208-209
sedimentation, A:281-282

greenschist facies

P-T conditions, B:137-138, 520
petrology, A:80-81

greigite, magnetic susceptibility, B:273

Gyldenløves Trough, sedimentation, B:29-30, 36-38

metasedimentary rocks, B:136-137
See also lutetium/hafnium ratio

hafnium/lutetium ratio, basalts, B:493

hardgrounds

lithologic units, A:198, 204-205; B:46
subsidence, A:282-283

hardgrounds, glauconitic, photograph, A:202-203

hardgrounds, manganese, photograph, A:207

Hatton Bank

crust, B:472
lava, B:395, 398, 431-435
lava flows, B:488
transects, A:13-14
volcanic rocks, B:347

Hatton Margin, volcanic rocks, B:324-325

heat flow, Greenland Margin SE, A:249-251

hematite

magnetic susceptibility, B:279
weathering, B:117

heulandite group

alteration, B:426
mineral chemistry, B:419-420
phase equilibria, B:420

hexactines, Site 918, B:192

hiatuses

lithologic units, A:198
subsidence, A:282-283
volcanism, B:514
See also unconformities

holmium. See yttrium/holmium ratio

holmium/lanthanum ratio

volcanic ash, B:79-80
vs. age, B:84

Holocene, seawater signal, B:304

hotspots

emplacement, B:522-528
kinematics, A:6-9

hydrocarbons. See ethane; methane; propane

hydrocarbons, volatile

geochemistry, A:82
sediments, A:97, 269

hydroclastics, sediments, A:15

hydrogen index

vs. depth, B:284
vs. oxygen index, A:100, 233

hysteresis

magnetic susceptibility, B:274-277

ice rafting

reworking, B:195
sediments, A:97
See also debris flows, ice-rafted; glaciation

Iceland

crustal models, B:472-473
physiography, A:6-7
plumes, B:385, 479-501
tephra transport, B:51-64
volcanic ash, B:67-84
volcanic rocks, B:345-346, 431-435

Iceland Plateau, physiography, A:6-7

Iceland Plume, mantle, A:14-15

Iceland-Scotland overflows, currents, B:6-10

igneous petrology

Site 915, A:80-82
Site 917, A:121-140
Site 918, A:225-229

igneous rocks

composition, A:60; B:489-493
logs, A:283
petrology, A:279-281

igneous units

lithology, A:123-125, 225-227
magnetostratigraphy, A:223-224
petrology, A:121-126, 279-281
photograph, A:129-134
stratigraphy, B:507-510
tops and bases, A:123, 227
vs. depth, A:143

illite

deltaic sediments, B:119
Pearson correlation coefficients, B:43, 46
vs. depth, B:42

ilmenite, lava, B:412

Imassuak Channel, sedimentation, B:8

index properties

sediments, A:67-68, 84-85, 273-274
Site 916, A:102-103, 105, 142-143
Site 918, A:239-244
Site 919, A:273-274
summary, A:86
vs. depth, A:69

interlaboratory comparison, tephrochronology, B:85-91

interstitial waters

geochemistry, A:84, 97-101; B:293-305, 307-311
sediments, A:67, 235-236
See also pore water

Irminger Basin

biostratigraphy, B:147-160
clays, B:39-49
deep-sea currents, B:6-7, 15-17
evolution, B:26-27
formation, A:5-16
general development, A:282
genesis, A:282-283
interstitial waters, B:293-305
isotope stratigraphy, B:243-248
magnetostratigraphy, B:253-257, 265-269
paleoceanography, A:283
subsidence, A:208
tephra transport, B:51-64
volcanic ash, B:67-84
volcaniclastics, B:93-113

iron, spinels, B:407

iron, total

vs. sodium oxide, B:321-322
vs. total iron/(total iron+magnesium) ratio, B:142

iron, total/(total iron+magnesium) ratio

vs. silicon, B:142
vs. total iron, B:142

iron number, vs. depth, B:422

iron oxide

experimental liquids, B:366
vs. depth, B:24
vs. magnesium oxide, B:61, 100, 371
vs. silica, B:23, 62, 102
vs. sulfur, B:101
See also greigite; hematite; limonite; magnetite

iron oxide/magnesium oxide ratio (mineral), vs. iron oxide/magnesium oxide ratio (liquid), B:365

iron-titanium oxides

mineral chemistry, B:411-412, 416
See also ilmenite

iron/aluminum ratio, vs. titanium/aluminum ratio, B:297

isochelae, Site 918, B:192, 197

isochrons, age, B:390

isopachs, lithologic units, B:30-36

isotope stratigraphy

Cenozoic, B:233-241
Quaternary, B:243-248

isotopes

correlation, B:210-211
volcanic rocks, B:351-357
See also carbon isotopes; lead isotopes; lithium isotopes; neodymium isotopes; oxygen isotopes; stable isotopes; strontium isotopes

Jan Mayen Island, physiography, A:6-7

Jaramillo Subchron, magnetostratigraphy, A:221; B:268

kaolinite

grain size, B:120
Pearson correlation coefficients, B:43, 46
volcaniclastics, B:122-124
vs. depth, B:42
weathering, B:117

Katla caldera, tephra, B:64

kerogen

sediments, B:285
See also hydrocarbons; organic matter

Knipovich Ridge, physiography, A:6-7

Koenigsberger ratio, vs. depth, A:122

Kolbeinsey Ridge, physiography, A:6-7

Krabbedalen Formation, stratigraphy, B:225

Labrador Sea Water, currents, B:6-10, 15

lahars, units, B:102-103

Laki 1783 eruption, tephra, B:53

lanthanum

X-ray fluorescence, B:427
See also holmium/lanthanum ratio

lanthanum/niobium ratio, vs. zirconium/niobium ratio, B:383

lanthanum/samarium ratio

basalts, B:491
vs. depth, B:378, 490
vs. lanthanum/thorium ratio, B:382
vs. lutetium/hafnium ratio, B:382

lanthanum/thorium ratio

volcanic rocks, B:339-340, 342
vs. lanthanum/samarium ratio, B:382
vs. silica, B:343

lanthanum/ytterbium ratio, basalts, B:491

lapillistone

photograph, B:113
units, B:103-105

laterite-derived facies, lithofacies, B:117

lava

age, B:387-402, 486
alteration, B:115-128
composition, B:315-330, 479-501
crust, B:466
emplacement, A:290-291
eruptions, B:486-489
fracture zones, B:450
geochemistry, B:80-84
Lower and Middle Series, B:450
magnetic susceptibility, B:271-280
photograph, A:130
seismic properties, B:453-462
seismic reflectors, A:6-9
stratigraphy, B:509
Tertiary, Atlantic Ocean, A:12-14
X-ray fluorescence, B:425-426
See also aa lavas; pahoehoe lavas; volcanic eruptions

lava, basaltic

composition, B:431-435
lithologic units, A:115
low pressure experiments, B:359-372
paleomagnetism, B:259-264

lava, brecciated, photograph, A:133

lava flows

alteration, A:134-135
basalts, A:280-281
breakup volcanism, A:287-288
brecciation, B:338-339
crust, B:344
geochemistry, B:341, 489-491
magma sources, A:137-139
morphology, A:227-228
morphology and lithology, A:126-129
petrography, A:228
petrology, A:131-134
photograph, A:115, 129-134
picrite, B:369-371
position, A:284
stratigraphy, A:135-137
structure, A:129-131, 228
thickness vs. depth, A:126
volcanic margins, B:488

lava flows, altered, volcaniclastics, B:122

lead, vs. depth, B:24

lead-206/lead-204 ratio

vs. lead-207/lead-204 ratio, B:354, 492
vs. lead-208/lead-204 ratio, B:355, 492

lead-207/lead-204 ratio, vs. lead-206/lead-204 ratio, B:354, 490

lead-208/lead-204 ratio, vs. lead-206/lead-204 ratio, B:355, 490

lead isotopes

volcanic rocks, B:351-357, 489-490
vs. strontium isotopes, B:354

leucoxene, metasedimentary rocks, B:132

lid effect, lithospheric thinning, B:384

limonite, lithologic units, A:76

Lipari, obsidian, B:85-91

liptodetrinite, sediments, B:285

liquid lines of descent, basalts, B:363, 365-366

lithium

metasedimentary rocks, B:135-137
vs. depth, A:102, 238, 272; B:299, 301

lithium isotopes

interstitial waters, B:294, 302-304
vs. depth, B:303

lithofacies, laterite-derived facies, B:117

lithologic Unit I

clays, B:43
seismic stratigraphy, B:32-34

lithologic Unit II

clays, B:40-43
seismic stratigraphy, B:29-32

lithologic Unit IV, clays, B:41-43

lithologic Unit V, clays, B:41-43

lithologic units

Site 914, A:57-62
Site 915, A:75-78
Site 916, A:91-94
Site 917, A:113-117
Site 918, A:195-208
Site 919, A:261-264
Sites 914-917, A:165-173
Unit I, A:57-60, 75-76, 92, 113-114, 165-166, 194-196
Unit II, A:60-62, 76-78, 92-93, 114-115, 166-170, 196-198
Unit III, A:78, 94, 115, 170-173, 198, 202-204
Unit IV, A:115, 170-173, 204-205
Unit V, A:115-116, 204
Unit VI, A:116-117, 204-205
vs. depth, A:240-241

lithosphere

contamination, B:508-509
upwelling, B:380

lithostratigraphy

deltaic sediments, B:119
downhole measurements, B:440-441, 453-455
lava flows, A:139-140
sediments and volcanics, B:271-280
Site 914, A:57-62
Site 915, A:75-78
Site 916, A:90-94, 113-117, 191-208
Site 919, A:261-264
Sites 914-917, A:164-173
summary, A:285
weathering, B:118

loss on ignition, volcanic rocks, B:336

Lower Series

age, B:486
magnetostratigraphy, B:511
stratigraphy, B:508-509, 522
See also Middle Series

lutetium/hafnium ratio

vs. depth, B:378
vs. lanthanum/samarium ratio, B:382
See also hafnium/lutetium ratio

paleoenvironment, B:289
sediments, B:285

magma fluxes, stratigraphy, B:514-515

magma reservoirs, volcanism, B:348

magmas

breakup volcanism, A:287-288
iron oxide, B:371
magnesium oxide, B:494

magmatic flux, mantle, B:525-528

magmatism

lava flows, A:137-139
Tertiary, A:12-14

magnesium

sediments, A:272
vs. calcium, B:295, 298
vs. depth, A:102, 238-239, 271; B:298
weathered basalt, B:119, 121
See also iron, total/(total iron+magnesium) ratio

magnesium/calcium ratio, vs. depth, A:271

magnesium number

basalts, B:366
melting temperature, B:365
olivine, B:406
spinels, B:407
volcanic rocks, B:342

magnesium oxide

basalts, A:229; B:344, 363, 365-366, 491, 498
lava, B:341
magmas, B:494
spinels, B:407
volcanic rocks, A:288
vs. calcium oxide, A:229
vs. calcium oxide/aluminum oxide ratio, B:367
vs. depth, B:375, 394, 423
vs. iron oxide, B:371
vs. major oxides, B:100
vs. oxides, B:61
vs. silica, B:23
vs. sulfur, B:101
vs. temperature, B:365
vs. titanium oxide, B:103, 316-318
X-ray fluorescence, B:426
See also iron oxide/magnesium oxide ratio (mineral)

magnetic anomalies, margins, A:12-15

magnetic data

igneous rocks, A:225
volcanic rocks, A:120
See also aeromagnetic profiles

magnetic declination, vs. depth, A:66

magnetic field, vs. depth, B:444

magnetic inclination, vs. depth, A:66, 82, 99, 121, 225, 267; B:268

magnetic intensity, vs. depth, A:66, 82, 99, 119

magnetic polarity

correlation, A:79
depth, B:269
sequences, A:66
vs. depth, A:99

magnetic properties. See hysteresis; median destructive fields

magnetic susceptibility

lava, B:271-280
vs. depth, A:69, 85, 104, 121, 127, 143, 226, 240-241, 273, 275; B:272-274, 278

magnetite

demagnetization, B:263-264
magnetic susceptibility, B:273-278

magnetochrons

correlation, A:82
vs. depth, A:66, 99
See also cryptochrons

magnetostratigraphy

correlation, B:223-224
Paleogene, B:253-257
Pliocene-Pleistocene, B:265-269
vs. depth, A:224, 267
See also biomagnetostratigraphy

major elements

interstitial waters, B:307-311
metasedimentary rocks, B:133-135
sediments, B:19-28
tephra, B:56
volcanic ash, B:72-77
volcanic rocks, B:336-338, 431-435

manganese. See hardgrounds, manganese

manganese oxide

vs. depth, B:24
vs. silica, B:23

mantle

contamination, B:353-356, 522-523
emplacement, B:522-528
melting, A:12-14; B:321-324
olivine, B:316-318
sources, B:344-346, 381-384
volcanism, B:373-386, 398
See also crust; Mohorovicic discontinuity

mantle, anomalous melt-yield, emplacement, B:522-528

mass accumulation rates

organic carbon, B:285, 292
vs. age, B:292

Matuyama Chron, magnetostratigraphy, A:221

Matuyama/Gauss boundary, magnetostratigraphy, B:268

mechanical Unit M1, sediments, A:70-71

mechanical Unit M2, sediments, A:70-71

mechanical Unit M3, sediments, A:70-71

mechanical Unit M4, sediments, A:70-71

mechanical units

sediments, A:70-71
vs. depth, A:104, 240-241

median destructive fields, vs. depth, A:122, 226

melting

basalts, B:359-372
crust, B:344, 498
mantle, A:14-15; B:321-324, 373-386

melting, decompression, basalts, B:380

melts

olivine, B:369-371
segregation, B:494-495

Merlin reflector, lithologic units, B:15-16

metabasalts, petrology, A:80-81

metaclaystone

photograph, A:116
See also claystone, metamorphosed

metals. See alkali metals; alkaline earths

metamorphic rocks, volcaniclastics, B:129-144

metamorphism

age, B:139
lithologic units, A:116
P-T conditions, B:137-138, 422
sediments, B:519-520
See also greenschist facies

metasedimentary rocks

chemical composition, B:132, 489-490
composition, B:129-144
crust, B:466-467
mineral composition, B:132
photograph, B:144

metasiltstone

photograph, A:116
See also siltstone, metamorphosed

methane

sediments, A:82, 230-231, 269
vs. depth, A:270

micrite, lithologic units, A:198; B:14

microfabric, diamicton, A:168

microfossils

deposition, A:286-287
vs. depth, A:262

Mid-Atlantic Ridge, physiography, A:6-7

mid-ocean ridges, kinematics, A:6-9

Middle Series

age, B:486
stratigraphy, B:508-509, 522
See also Lower Series

mineral chemistry

clay minerals, B:420-422
volcanic rocks, B:403-416
zeolites, B:419-420

mineral composition, lithologic units, A:171

minor elements, metasedimentary rocks, B:133-135

Miocene

biostratigraphy, B:147-160
clays, B:41-43, 46-47
diatoms, B:249-250
lithologic units, A:196-201; B:29-30
magnetostratigraphy, B:253-257
paleoenvironment, B:289

Miocene/Pliocene boundary, lithologic units, B:29-30

moat structures, sedimentation, B:8-17

Mohns Ridge, physiography, A:6-7

Mohorovicic discontinuity

crust, B:471
See also crust; mantle

monactinal, Site 918, B:192, 196

monaxons, Site 918, B:192

morphology, continental slope, B:5-6

mound structures, sedimentation, B:8-17

mud, lithologic units, A:92

mud, glaciomarine

lithologic units, A:57-62, 167-168
photograph, A:59

mud, laminated, lithologic units, A:168-170

mud, reddish, lithologic units, A:115

mudstone, calcareous

lithologic units, A:114
photograph, A:77

multisensor tracks

properties, A:237-239
sediments, A:272-273
Site 916, A:101-102
Site 917, A:140-141

muscovite, metasedimentary rocks, B:132

nannofossils, correlation, B:255-257

nannofossils, calcareous

biostratigraphy, A:62, 78, 94, 117, 209, 264; B:147-160
photograph, B:158-160

natrolite

alteration, B:426
lava flows, A:134-135
occurrence, B:418

neodymium

metasedimentary rocks, B:136
vs. depth, B:489
vs. strontium isotopes, B:490-491
vs. zirconium/niobium ratio, B:492

neodymium isotopes

relative stratigraphic position, B:354, 489
vs. silica, B:355
vs. zirconium, B:356

Neogene

clays, B:46-48
deposition, B:29-38
paleomagnetism, B:265-269
volcanic ash, B:68-71
volcaniclastics, B:93-113

Neogene, upper

geochemistry, B:25
sedimentation, B:3-18

Neovolcanic Zone, physiography, A:6-7

neutron activation analysis, volcanic rocks, B:334

new taxa, Bolboforma, B:205

nickel

lava flows, A:135-137
metasedimentary rocks, B:136
olivine, B:406
vs. depth, A:126
vs. strontium, A:139
vs. titanium oxide, A:137

niobium

metasedimentary rocks, B:136
vs. depth, B:348
vs. zirconium, B:79
X-ray fluorescence, B:427
See also barium/niobium ratio; lanthanum/niobium ratio; zirconium/niobium ratio

niobium/yttrium ratio vs. zirconium/yttrium ratio, B:84, 345-347, 496-497

niobium/zirconium ratio

basalts, B:491
volcanic rocks, B:339-340, 342
vs. depth, B:489

nitrogen

sediments, A:67, 82-83, 269
vs. organic carbon, A:83, 231, 269
See also carbon, organic/nitrogen ratio

North Atlantic Deep Water

currents, B:6-10, 14-17
development, A:283; B:154, 156
early formation, A:208, 225
foraminifers, A:204
sediments, B:23

North Atlantic Rifted Margins Detailed Planning Group, plate tectonics, B:482

North Atlantic Tertiary Volcanic Province

geochemistry, B:23, 25, 398, 400, 496-498
mantle, A:12-14
volcanic rocks, B:315-350, 487

Norway Basin, physiography, A:6-7

Norwegian-Greenland Sea, sedimentation, B:249

ocean basins, physiography, A:6-7

oceanic gateways, margins, A:15-16

Oceanic Succession, stratigraphy, B:509, 515

oceans. See continent/ocean transition

Olduvai Subchron

biomagnetostratigraphy, A:265-266
magnetostratigraphy, A:221; B:268

Oligocene

biostratigraphy, B:147-160
clays, B:41-43, 46
diatoms, B:249-250
lithologic units, A:60-62, 92-93, 202-204
magnetostratigraphy, B:253-257
paleoenvironment, B:289
sedimentation, A:281-282
sponge spicules, B:191-199

olivine

alteration, B:426
basalts, B:361, 363, 365-372, 404-405
crust, B:344
fractionation, B:316-318, 369-371
mineral chemistry, B:406, 414
petrology, A:81
picrite, B:340
See also basalts, aphyric-olivine; basalts, olivine-aphyric; basalts, olivine-phyric; basalts, olivine-plagioclase-clinopyroxene-phyric; basalts, olivine-plagioclase-phyric

olivine, experimental, composition, B:363

olivine-plagioclase cotectic, volcanic glass, B:368-369

opal-CT, weathering, B:117

Orfæjökull eruption, tephra, B:53

organic matter

paleoenvironment, B:289
sediments, A:97, 269
See also hydrocarbons; kerogen; macerals; n-alkanes; resins

orthopyroxene, crust, B:344

oxeas, Site 918, B:192, 196

oxygen fugacity

lava, B:412-413
vs. temperature, B:413

oxygen index, vs. hydrogen index, A:100, 233

oxygen isotopes

foraminifers, B:243-248
interstitial waters, B:294, 301
tephra, B:54
vs. chloride, B:296
vs. depth, B:296, 302-303

oxygen-isotope signal, Pleistocene, B:301

metamorphism, B:137-138
See also phase equilibria; pressure; temperature

pahoehoe lavas, lava flows, A:126-127, 139

paleoceanography

Cenozoic, B:226-227, 283-292
diatoms, B:209-219
margins, A:15-16
nannofossils, B:147-160
Quaternary, B:243-248

Paleocene

basins, B:520
margins, A:12-15
metamorphic rocks, B:129-144

Paleocene, upper, plate tectonics, B:482

paleoclimatology

Cenozoic, B:154, 156, 289
deposition, A:173
Eocene, B:226-227
margins, A:15-16
Quaternary, B:247-248
volcaniclastics, B:123-125

paleoelevation, transgression, B:516-517

paleoenvironment

biostratigraphy, B:161-189
Cenozoic, B:283-292
Eocene, B:225-226
foraminifers, B:243-248
sediments, A:97
transport, B:51-52
volcaniclastics, B:123-125

Paleogene

chronostratigraphy, A:15-16
ebridians, B:249-250
lithologic units, A:92-94, 170-173
magnetostratigraphy, B:253-257
volcaniclastics, B:71, 93-113

paleomagnetism

Neogene, B:265-269
Paleogene, B:253-257
sediments and volcanics, B:271-280
Site 914, A:64-66
Site 915, A:78-79
Site 916, A:96-97
Site 917, A:119-121; B:259-264
Site 918, A:219-224
Site 919, A:266-267

paleosols

deposition, A:173
lithologic units, A:170-173
See also pedogenesis

paleotopography, rifts, B:517

paleowater

age vs. depth, A:175
depth, A:265-266
sedimentation rates, A:225

Palmason model, seismic reflectors, A:8

palynomorphs

Cenozoic, B:221-231
See also dinoflagellates; pollen

paragenesis, photograph, B:128

partial melting, picrite, B:384-385

partition coefficients, mantle, B:381

pebbles

photograph, A:129
See also gravel

pedogenesis

volcaniclastics, B:121-124
See also paleosols

pellets, lithologic units, A:198

pellets, glauconitic, photograph, A:202, 206

petrogenesis, volcanic rocks, B:343-344

petrography

volcanic ash, B:68-71
volcanic rocks, B:404-405

phase equilibria

basalts, B:361, 363, 365-372
chabazite, B:419-420
heulandite group, B:420
mantle, B:381

phenocrysts

olivine, B:406
photograph, B:113
plagioclase, B:407, 409

phillipsite

lava flows, A:134-135
lithologic units, A:60-62, 77

phosphorus, metasedimentary rocks, B:135

phosphorus oxide

experimental liquids, B:366
vs. silica, B:23

phyllosilicates

metamorphism, B:420-423, 489-490
See also biotite; clay minerals; muscovite

physical properties

Site 914, A:67-70
Site 915, A:83-87
Site 916, A:101-105
Site 917, A:140-145
Site 918, A:237-249
Site 919, A:272-276

physiography, Atlantic Ocean, A:6-7

picrite

composition, B:324-325, 489-491
lava flows, A:131-132; B:369-371
persistent volume problem, B:384-385
petrography, B:404-405
photograph, A:133
plagioclase, B:408
See also basalts

plagioclase

basalts, B:361, 363, 365-372, 404-405
mineral chemistry, B:407-409, 415
photograph, B:112
See also albite; anorthite; basalts, olivine-plagioclase-clinopyroxene-phyric; basalts, olivine-plagioclase-phyric; basalts, plagioclase-phyric; basalts, plagioclase-pyroxene-phyric; olivine-plagioclase cotectic

plagioclase, experimental, composition, B:363

plate tectonics

kinematics, A:6-7; B:503-533
upper Paleocene, B:482

Pleistocene

biostratigraphy, B:147-160, 165
diatoms, B:209-219
lithologic units, A:261-264
magnetostratigraphy, B:265-269
oxygen-isotope signal, B:301
tephra, B:62-64

Pliocene

biostratigraphy, B:147-160
lithologic units, A:195-196, 261-264; B:32-34
magnetostratigraphy, B:265-269
tephra, B:62-64
See also Miocene/Pliocene boundary

Pliocene/Pleistocene transition, biostratigraphy, B:173

plumes

inflation and depletion, B:526-530
mantle, A:14-15; B:479-501, 522-528
picrite, B:385
volcanism, B:348, 398, 503-533

pollen, Cenozoic, B:221-231

polyaxons, Site 918, B:192, 197

polymictic textures, units, B:102-103

pore water

strontium isotopes, B:236-237
See also interstitial waters

porosity

vs. compressional wave velocity, B:460
vs. depth, A:85, 104, 240-241, 273

potassium

metasedimentary rocks, B:135
sediments, B:20, 23
vs. argon isotopes, B:109
vs. depth, A:102, 238, 272; B:24, 299
See also calcium/potassium ratio

potassium/calcium ratio, sediments, B:23, 25

potassium logs, vs. depth, A:128

potassium oxide

experimental liquids, B:366
vs. depth, B:423
vs. magnesium oxide, B:100
vs. silica, B:23, 62, 102
vs. titanium oxide, B:57, 61, 103

potassium oxide/calcium oxide ratio

vs. depth, B:25
vs. sodium oxide/iron oxide ratio, B:26

prehnite, lithologic units, A:116; B:520

pressure, metamorphism, B:422

problematic fossils, biostratigraphy, B:201-208

propane, sediments, A:230-231, 269

provenance, source areas, B:19-28

pseudomorphs

clay minerals, B:418
lithologic units, A:117

pumice, photograph, B:112-113

pyrite

lithologic units, A:60-62
magnetic susceptibility, B:273
metasedimentary rocks, B:132
photograph, A:94
volcaniclastics, B:122

pyroclastic flows

photograph, B:127
See also debris flows

pyrolysis, Rock-Eval, sediments, A:234

pyroxene

mineral chemistry, B:409-411, 416
See also basalts, plagioclase-pyroxene-phyric; clinopyroxene; orthopyroxene

pyroxene, experimental, composition, B:364

pyrrhotite, magnetic susceptibility, B:273

ice-rafted debris, A:283
lithologic units, A:57-62, 174, 262-264
metasedimentary rocks, B:132-133
units, B:102-103

quartz sandstone

metamorphic rocks, B:131-132
photograph, B:132, 144

Quaternary

clays, B:46-48
deposition, B:29-38
isotope stratigraphy, B:243-248
lithologic units, A:75-76, 92, 113-114, 167-168, 194-195
sedimentation, B:3-18
See also Holocene; Pleistocene; Weichselian

basalts, B:481, 489-491
crust, B:343-344
greenschist facies, B:138
interstitial waters, B:307-311
metasedimentary rocks, B:135-137
picrite, B:340-341
volcanic ash, B:72, 77-79
volcanic glass, B:60-64
volcanic rocks, B:431-435
X-ray fluorescence, B:428

reaction rims, sediments, A:236-237

reaction zones, sediments and volcanics, B:304

recrystallization, quartz sandstone, B:131-132

reflector D, lithologic units, B:15-16

reflectors

crust, B:469-472
See also blue reflector; Merlin reflector; reflector D; yellow reflector

remanent magnetization, anhysteritic

inclinations, A:219, 224
vs. depth, A:122, 226

remanent magnetization, natural

correlation, A:267
inclinations, A:219-224
sediments, A:96-97; B:267
vs. depth, A:122

resins, paleoenvironment, B:291

resistivity

sediments, A:70, 86, 276
Site 916, A:103
Site 918, A:245, 248-249
vs. compressional wave velocity, B:460
vs. depth, A:71, 249-251, 276-277

resistivity logs, vs. depth, B:442

resistivity-velocity-natural gamma-ray logs, A:153-155

Réunion Subchron, magnetostratigraphy, A:221; B:268

reworking, foraminifers, B:237

Reykjanes Ridge, physiography, A:6-7

rhyolite, volcanic glass, B:57-64

rifted margins

basalts, B:493, 503-533
Greenland, A:5-16
volcanic and nonvolcanic, A:5-6

rifting

Cenozoic, B:139
continental margin, A:289-290

rifts, paleotopography, B:517

rock magnetism, sediments and volcanics, B:271-280

Rockall Plateau

lava, B:387-402, 495-497
lava flows, B:488
transects, A:13-14

Rockall Trough, sedimentation, B:15-17

rubidium

metasedimentary rocks, B:135-137
vs. depth, B:24
X-ray fluorescence, B:426

Ryberg Formation

basalts, A:289
Cretaceous, B:139
unconformities, B:520

oxygen-isotope signal, B:301
vs. depth, A:103

samarium. See also lanthanum/samarium ratio

samarium/lutetium ratio

basalts, B:493-495
vs. relative stratigraphic position, B:493

sand

lithologic units, A:57-62
photograph, A:202
vs. depth, B:42

sand, amphibole-enriched, photograph, A:197

sand, quartz, lithologic units, A:204

sand, silty

lithologic units, A:60-62, 75-77, 93
photograph, A:61, 206

sand, turbiditic, photograph, A:205-206

sandstone

density, B:449
photograph, A:79, 95
See also quartz sandstone

sandstone, calcareous

composition, A:63
lithologic units, A:60-62

sandstone, metamorphosed, lithologic units, A:115-116

sandstone, quartzose, lithologic units, A:115-116

saponite

alteration, B:426
mineral chemistry, B:421

saponite/celadonite mixed minerals, mineral chemistry, B:421

saprolite

lithologic units, A:204
volcaniclastics, B:123

scandium

basalts, B:344
metasedimentary rocks, B:136
vs. zirconium, B:324-325, 345
X-ray fluorescence, B:427
See also zirconium/scandium ratio

scolecite, lava flows, A:134-135

Scoresby Sound, volcanic rocks, B:347

Scotland. See Iceland-Scotland overflows

Scotland Ridge. See Greenland-Scotland Ridge

SDRS. See seaward-dipping reflector sequences

sea-level changes, Eocene, B:225-226

seafloor spreading

seismic reflectors, A:6-9
spreading rates, B:512, 521-522
structure, B:518-519

seafloor spreading anomalies, crust, B:463-464

seafloor spreading systems, stratigraphy, B:509

seaward-dipping reflector sequences, A:6-16; B:470-501, 506-528

seawater signal, Holocene, B:304

secondary minerals

distribution and chemistry, B:417-424
vs. depth, A:134

sedimentary structures, lithologic units, A:116

sedimentation

basement, A:281-282
continental rise, B:3-18
events and age, A:286
lithologic units, A:208
transport, B:51-52
volcaniclastics, B:123-125

sedimentation rates

age vs. depth, A:175
geochemical data, A:98-99
magnetostratigraphy, B:268-269
Site 914, A:66
Site 915, A:79-80
Site 916, A:97
Site 917, A:121
Site 918, A:224-225
Site 919, A:267
Sites 914-917, A:173-174

sedimentology

metasedimentary rocks, B:129-131
volcanic ash, B:68-71

sediments

age, B:139
alteration, B:115-128
clays, B:39-49
correlation, B:520-521
geochemistry, B:19-28
magnetic susceptibility, B:271-280
magnetostratigraphy, B:265-269
pre-rifting, B:519-520
succession, A:50-51
volcanic ash, B:95-113

sediments, alluvial, photograph, A:115

sediments, prebasaltic, crust, B:466-467

segregation, melts, B:494-495

seismic data, Greenland SE, B:4-16

seismic facies, sedimentation, B:8-17

seismic profiles

Atlantic Ocean, A:42; B:4-16
crust, B:466-469
Site 918, A:190-191
Site 919, A:260
Sites 914-917, A:160, 162-165, 281, 284; B:31-36

seismic properties, lava, B:453-462

seismic reflectors

basalts, A:280-281
sediments, A:50-51
sequences, A:6-9
velocity, A:159-160
See also seaward-dipping reflector sequences

seismic sequences, continental slope, B:7-17

seismic stratigraphy

lava, B:460-461
Sites 914-917, A:159-164; B:29-36

seismic waves

propagation, B:460-461
See also compressional wave velocity

seismograms, synthetic

vs. two-way traveltime, A:150
well-log units, A:149

Senja Fracture Zone, physiography, A:6-7

Sequence 1, sediments, A:50-51

Sequence 2, sediments, A:50-51

Sequence 3, sediments, A:50-51

Sequence 4, sediments, A:50-51

shear strength, undrained

sediments, A:68-70, 86
Site 916, A:103
vs. depth, A:70-71

shear wave velocity, vs. compressional wave velocity, B:459

shelf sediments, isotopes, B:294-296

siderite

photograph, A:94
weathering, B:117

sideromelane, photograph, B:112

silica

basalts, B:363, 365-366, 491
experimental liquids, B:366
geochemical data, A:99
lava, B:341
metasedimentary rocks, B:135
sediments, A:237, 270, 272
volcanic rocks, B:342
vs. age, B:71
vs. barium/zirconium ratio, B:320-321, 343
vs. cerium/yttrium ratio, B:343
vs. depth, A:239, 272; B:24, 56, 423
vs. magnesium oxide, B:61, 100
vs. major oxides, B:23, 62, 102
vs. neodymium isotopes, B:355
vs. sodium oxide, Lipari, B:88-89
vs. sodium oxide+potassium oxide, B:99
vs. sodium oxide/potassium oxide ratio, B:26
vs. strontium/zirconium ratio, B:343
vs. titanium oxide, B:319
X-ray fluorescence, B:426

silicate, vs. depth, A:102, 239, 272

silicic composition, volcanic glass, B:57-64

siliciclastics, lithologic units, A:76

silicoflagellates

continental rise, B:191-199
Paleogene, B:249-250

silicon, vs. total iron/(total iron+magnesium) ratio, B:142

silicon/aluminum ratio

weathered basalt, B:119, 121
zeolites, B:419-420

silicon/iron ratio, weathered basalt, B:119, 121

sills

composition, A:229
flows, A:227
geochemistry, B:341, 343

silt

lithologic units, A:194-195, 196, 198, 261-264
photograph, B:128
sediments, A:199
sedimentation, A:281-282
vs. depth, B:42

silt, clayey

lithologic units, A:76-77, 261-264
photograph, B:127

silt, glaciomarine, lithologic units, A:113-114

silt, massive, photograph, A:197

silt, quartzose, lithologic units, A:196, 198, 202

silt, sandy

lithologic units, A:60-62, 76-77, 168-170, 204
photograph, A:77

silt, volcaniclastic

lithologic units, A:93, 114, 196
photograph, A:207-208

siltstone, volcaniclastics, B:122

siltstone, metamorphosed

lithologic units, A:115-116
See also metasiltstone

similarity coefficients, geochemistry, B:87-89

sinusoidal-spicules, Site 918, B:192, 197

Site 338, lava eruptions, B:488

Site 342, lava eruptions, B:488

Site 552

lava, B:431-435
lava eruptions, B:488

Site 553, lava, B:395, 431-435

Site 554, lava, B:395, 431-435, 488

Site 555, lava, B:395, 431-435, 488

Site 914, A:53-71

biostratigraphy, A:62-64; B:147-148, 164, 250
coring, A:57
inorganic geochemistry, A:67, 97-101
interstitial waters, B:294-296
lithostratigraphy, A:57-62
magnetic susceptibility, B:272-273
magnetostratigraphy, B:253-254
operations, A:55-57
organic geochemistry, A:66-67
paleomagnetism, A:64-66
physical properties, A:67-70
sedimentation rates, A:66
site description, A:53-71

Site 915, A:73-87

alteration, B:117
biostratigraphy, A:78; B:148-149, 164-165, 250
coring, A:75
igneous petrology, A:80-82
inorganic geochemistry, A:83, 97-101
interstitial waters, B:294-296
lava, B:395
lithostratigraphy, A:75-78
magnetostratigraphy, B:254
operations, A:74-75
organic geochemistry, A:82-83
paleomagnetism, A:78-79
palynomorphs, B:221, 225
physical properties, A:83-87
sedimentation rates, A:79-80
site description, A:73-87
summary, A:87
volcanic rocks, B:316, 341

Site 916, A:89-105

alteration, B:117, 490-491
biostratigraphy, A:94, 96; B:149, 165
coring, A:90
inorganic geochemistry, A:97-101
interstitial waters, B:294-296
lithostratigraphy, A:90-94
magnetostratigraphy, B:254
operations, A:90
organic geochemistry, A:97
paleomagnetism, A:96-97
palynomorphs, B:221, 224-225
physical properties, A:101-105
sedimentation rates, A:97
site description, A:89-105

Site 917, A:107-158

alteration, B:117, 119
basaltic lavas, B:359-372
biostratigraphy, A:117-119; B:149
coring, A:112
downhole measurements, A:145-151; B:453-462
igneous petrology, A:121-140; B:489-490
lava, B:390-395
lithostratigraphy, A:113-117
magnetic susceptibility, B:278-279
magnetostratigraphy, B:254
metamorphic rocks, B:129-144
operations, A:110-113
paleomagnetism, A:119-121; B:259-264
palynomorphs, B:221-222
physical properties, A:140-145
secondary minerals, B:417-424
sedimentation rates, A:121
site description, A:107-158
structures, B:439-451
volcanic rocks, B:316, 338-341, 403-416, 510-512, 518-519
volcaniclastics, B:93-113

Site 918, A:177-256

alteration, B:119, 121
background and scientific objectives, A:179-182
biostratigraphy, A:208-219; B:149-154, 165-172, 201-208, 250
clays, B:39-49
coring, A:192
heat flow, A:249-251
igneous petrology, A:225-229
inorganic geochemistry, A:231-237
interstitial waters, B:293-305
isotope stratigraphy, B:233-241
lava, B:395
lithostratigraphy, A:191-208
magnetic susceptibility, B:272, 275-277
magnetostratigraphy, B:254-256, 265-269
operations, A:182-191
organic carbon, B:283-292
organic geochemistry, A:229-231
paleomagnetism, A:219-224
palynomorphs, B:222-223, 225
physical properties, A:237-249
sedimentation rates, A:224-225
sediments, B:19-28
silicoflagellates, B:191-199
site description, A:177-256
subsidence, A:224-225
volcanic ash, B:67-84
volcanic rocks, B:316, 341, 343, 490-491, 512-513
volcaniclastics, B:93-113

Site 919, A:257-277

background and scientific objectives, A:259
biostratigraphy, A:264-266; B:154-155, 173-175, 209-219
clays, B:39-49
coring, A:261
inorganic geochemistry, A:269-272
interstitial waters, B:293-305
isotope stratigraphy, B:233-241, 243-248
lithostratigraphy, A:261-264
magnetic susceptibility, B:274-277
magnetostratigraphy, B:265-269
operations, A:259-261
organic geochemistry, A:267-269
paleomagnetism, A:266-267
physical properties, A:272-276
sedimentation rates, A:267
site description, A:257-277
tephra transport, B:51-64
volcanic ash, B:67-84

site surveys, pre-cruise, A:45-46

Sites 914-917

lithologic units, A:165-173
lithostratigraphy, A:164-175
sedimentation rates, A:173-174
seismic stratigraphy, A:159-164
shelf stratigraphy, A:159-175

smectite

deltaic sediments, B:119
lithologic units, A:60-62, 202
mineral chemistry, B:420-422
Pearson correlation coefficients, B:43, 46
sediments, B:44-48
vs. depth, B:42
See also celadonite/smectite mixed mineral; chlorite/smectite mixed mineral

Snaefellses eruption, volcanic ash, B:80-84

Snorri Drift, sedimentation, B:8, 15

sodium

metasedimentary rocks, B:135
obsidian, B:87
sediments, B:20, 23
vs. depth, A:102, 238, 272; B:24, 299

sodium/chloride ratio

interstitial waters, B:299-300
vs. calcium, B:298
vs. depth, B:300

sodium/chlorine ratio

sediments, A:236
vs. depth, A:239, 272

sodium/ferric iron ratio, sediments, B:20

sodium oxide

experimental liquids, B:366
vs. depth, B:423
vs. silica, B:23, 88-89
vs. total iron, B:321-322
X-ray fluorescence, B:426

sodium oxide+potassium oxide, vs. silica, B:99

sodium oxide/iron oxide ratio

vs. depth, B:25
vs. potassium oxide/calcium oxide ratio, B:26

sodium oxide/potassium oxide ratio, vs. silica, B:26

soils

photograph, B:127-128
volcaniclastics, B:121-124

soils, red, photograph, A:129, 132

sonic tool, seismic properties, B:455-456

sources, mantle, B:522-528

Southeast Greenland Transect

seismic reflectors, A:9-12
See also East Greenland Margin; EG63 Transect; Greenland Margin

spectral gamma-ray logs, vs. depth, A:128

spectrometry, plasma-emission, inductively coupled, interstitial waters, B:307-311

spectrometry, plasma-mass, inductively coupled, interstitial waters, B:307-311

spherasters, Site 918, B:192, 197

spherulites, lava, B:412

spicules, lithologic units, A:57-62

spinel lherzolite, sources, B:344

spinels, mineral chemistry, B:407, 415

sponge spicules, continental rise, B:191-199

spores, Cenozoic, B:221-231

spreading rates, seafloor spreading, B:512

stable isotopes

foraminifers, B:243-248
vs. age, B:247
vs. depth, B:246

stratigraphy

basalts, B:376-380
drifts, B:14-17, 29-36
metasedimentary rocks, B:129-131
tephra, B:55-56
volcanic ash, B:95-113
volcanic rocks, B:337-341, 343
volcanism, B:467-468, 483-484, 506-510, 522
See also age; biostratigraphy; chronostratigraphy; Continental Succession; dating; lithostratigraphy; magnetostratigraphy; Oceanic Succession

streptasters, Site 918, B:192, 197

stress fields, fracturing, B:445

strongyles, Site 918, B:192, 196

strontium

interstitial waters, B:300-301
metasedimentary rocks, B:135-137
vs. depth, A:102, 238, 271; B:298
vs. nickel, A:139
X-ray fluorescence, B:427

strontium isotopes

basalts, B:491
foraminifers, B:233-241
interstitial waters, B:293-294, 300-301
volcanic rocks, B:351-357, 489-490
vs. depth, B:234, 236-238, 301, 303
vs. lead isotopes, B:354
vs. neodymium, B:490-491

strontium/zirconium ratio

volcanic rocks, B:339-340, 342
vs. silica, B:343

structural analysis, formation microscanner, B:442-445

structural contours, lithologic units, B:30-36

structure, metasedimentary rocks, B:129-131

structures, electrical logs, B:439-451

styles, Site 918, B:192, 196

subsidence

continental margin, A:282-283
margins, A:15
rifts, B:517-518
shelf, A:174
Site 918, A:224-225

subsidence, post-breakup, crust, A:291-292

sulfate

geochemical data, A:98-99
sediments, A:234-235
vs. depth, A:102, 237-238, 271

sulfur

sediments, A:67, 82-83
vs. iron and magnesium oxides, B:101

surface water, environment, B:245-247

Taupo eruption, tephra, B:53

tectonics

continental margin, A:288-292; B:521-522
crust, B:466-467, 503-533
stages, A:290

temperature

chlorite, B:138
metamorphism, B:422
planktonic foraminifers, B:176-177
Site 918, A:249, 251
vs. depth, A:256
vs. magnesium oxide, B:365
vs. oxygen fugacity, B:413
vs. time, A:252-255

temperature, mean, annual, Cenozoic, B:226-227

temperature, melting, magnesium number, B:365

tephra

electron probe data, B:96-97
transport, B:51-64

tephrochronology, interlaboratory comparison, B:85-91

Tertiary

lava, B:387-402
magmatism, A:12-14
volcanism, A:49-50

textures

metamorphic rocks, B:131
tephra, B:97

thermal conductivity

basalts, A:248-249
sediments, A:70, 87, 276
Site 916, A:103
Site 917, A:144-145
Site 918, A:245, 248-249
vs. degree of alteration and vesicularity, A:147
vs. depth, A:71, 145-146, 248, 256, 276

thermomagnetic curves, magnetic susceptibility, B:276-279

thickness

lithologic units, A:170
tephra, B:54
vs. compressional wave velocity, B:461

thomsonite

alteration, B:426
mineral chemistry, B:419
occurrence, B:418

thorium

metasedimentary rocks, B:137
See also lanthanum/thorium ratio

thorium/lead ratio, vs. depth, B:378

thorium/tantalum ratio, metasedimentary rocks, B:136

thorium logs, vs. depth, A:128

tilting

histograms, B:446-447
lava flows, A:129

Tindfjallajökull eruption, tephra, B:64

titanium

volcanic rocks, B:340
vs. zirconium, B:136
See also ilmenite; iron-titanium oxides

titanium oxide

experimental liquids, B:366
lava flows, A:137-139
vs. depth, B:24
vs. magnesium and calcium oxides, B:103
vs. magnesium oxide, B:100, 316-318
vs. nickel, A:137
vs. potassium oxide, B:57, 61, 103
vs. silica, B:23, 319

titanium/aluminum ratio

vs. depth, B:295, 297
vs. iron/aluminum ratio, B:297

titanomagnetite, lava, B:411-412

trace elements

basalts, B:376-380, 497
igneous rocks, A:230
interstitial waters, B:307-311
metasedimentary rocks, B:133-137
sediments, B:19-28
volcanic ash, B:72, 77-79
volcanic glass, B:60-64
volcanic rocks, B:335-343, 431-435

transects

mantle, B:522-528
seafloor spreading anomalies, B:463-464, 506

transgression, sediments, B:516-517

transport

sedimentation, B:8-14
tephra, B:51-64, 99, 101

triaxons, Site 918, B:192, 197

triods, Site 918, B:192, 197

trough fills, lithologic units, B:34-36

tuff

lava flows, A:126-127, 133-134
petrography, B:405
photograph, A:129, 131; B:113
units, B:103-105

tuff, ash-flow, photograph, A:131

tuff, eutaxitic, plagioclase, B:409

turbidites

deposition, A:286-287
geochemistry, B:23-28
lithologic units, A:195, 198, 202; B:41
metamorphic rocks, B:131
photograph, A:197, 203-206

turbidity currents, sedimentation, B:3-18

tylostyles, Site 918, B:192, 196-197

Cenozoic, lithologic units, B:29-36
continental margin, A:288-292
continental slope, B:7-17
correlation, B:521-522
crust, B:518-519
lithologic units, A:92-94
sedimentation rates, A:225
volcanism, A:49-50
See also hiatuses

unconformity 1-2, lithologic units, B:15-16

underway geophysics, Atlantic Ocean, A:41-43

uplifts

crust, A:291-292; B:521-522
rifts, B:517-518

upper rise, sedimentation, B:3-18

upwelling, lithosphere, B:380

uranium logs, vs. depth, A:128

Vandfaldsdalen Formation

basalts, A:289
correlation, B:521

veins

calcite, B:120
clay minerals, B:418
lithologic units, A:116
vs. depth, A:134

veins, dendritic, volcaniclastics, B:122

velocimetry

sediments, A:68, 85, 274-275
Site 916, A:103
Site 917, A:143-144
Site 918, A:241, 245

velocity

crust, B:471
Sites 914-917, A:159-160
vs. depth, A:86, 104, 245, 275

velocity, acoustic

volcanic rocks, A:145
vs. depth, A:144

velocity logs, vs. depth, B:442, 457

vesicles

clay minerals, B:418
petrology, A:81
photograph, A:229; B:113

vitrinite, sediments, B:285

vitrodetrinite, sediments, B:285

Vøring Margin

transects, A:14
volcanic rocks, B:324-325

Vøring Plateau

physiography, A:6-7
volcanic rocks, B:347

volcanic ash

distribution, A:263; B:62-64
geochemistry, B:67-84
lithologic units, A:57-62, 262-264
paleoenvironment, B:51-64
photograph, A:262-263; B:70
sediments, B:95-113
stratigraphy, B:509-510
See also ash layers; volcanic glass; volcaniclastics

volcanic components, sediments, A:236-237

volcanic eruptions

tephra, B:99, 101
See also lava

volcanic glass

basalts, B:362
geochemistry, B:67-84
interlaboratory comparison, B:85-91
mineral chemistry, B:412, 416
paleoenvironment, B:51-64
phase equilibria, B:367
photograph, B:112-113
See also clasts, vitric

volcanic glass, experimental, composition, B:362

volcanic glass, silicic, geochemistry, B:57-64

volcanic plateaus, rifts, B:517

volcanic provinces, demagnetization, B:263-264

volcanic rocks

composition, B:331-357, 425-429, 315-330
lithology, A:123-125
magnetic susceptibility, B:271-280
mineral chemistry, B:403-416
petrology, A:279-281
photograph, A:129-134
stratigraphy, A:227
X-ray fluorescence, B:431-435
See also breccia, volcanic; conglomerate, volcanic; lapillistone; obsidian; rhyolite

volcaniclastics

alteration, B:115-128
ice-rafted debris, A:283
lava flows, A:126-127
lithologic units, A:76, 93, 115, 170-174, 204
metamorphic rocks, B:129-144
Paleogene, B:71
photograph, A:95; B:112-113
sediments, A:15
stratigraphy, B:484

volcanism

basement, A:49-50
continental margin, A:5-16; B:503-533
continental to oceanic transition, B:348
crust, B:465-469
eruptions, B:67-68, 486-489
mantle, B:373-386
stages and breaks, B:514
tephra, B:99, 101, 105-107
See also eruptions; Laki 1783 eruption; Neovolcanic Zone

volcanism, breakup, development, A:287-288

waveform data, lava, B:458

weathering

hematite, B:117
source areas, B:19-28
See also alteration; basalts, weathered; diagenesis

weathering features, lava flows, A:126-127

Weichselian, sedimentation, B:36-38

well-log units, A:149-151

well-logging

lava, B:458-459
Site 917, A:145-151

wollastonite projection, basalts, B:369-371

wood fragments

lithologic units, A:60-62, 93
photograph, A:95, 203

X-ray fluorescence data

igneous rocks, A:230
lava, B:431-435
sedimentary rocks, A:117
volcanic rocks, A:136, 138; B:333-334, 425-429

ytterbium. See lanthanum/ytterbium ratio

yttrium

metasedimentary rocks, B:136
volcanic rocks, B:337
X-ray fluorescence, B:427-429
See also cerium/yttrium ratio; niobium/yttrium ratio; zirconium/yttrium ratio

yttrium/holmium ratio, volcanic ash, B:80

alteration, B:426
distribution and chemistry, B:417-424
lava flows, A:135
lithologic units, A:60-62
mineral chemistry, B:419-420
vs. depth, A:134
See also chabazite; clinochlore; clinoptilolite; heulandite group; natrolite; phillipsite

zinc, alteration, B:426

zirconium

metasedimentary rocks, B:136
vs. neodymium isotopes, B:356
vs. niobium, B:79
vs. scandium, B:324-325, 345
vs. titanium, B:136
vs. zirconium/niobium ratio, A:140
See also barium/zirconium ratio; niobium/zirconium ratio

zirconium/niobium ratio

basalts, A:229, 280
metasedimentary rocks, B:136
volcanic ash, B:79-80
vs. age, B:84
vs. barium/zirconium ratio, A:287
vs. cerium/yttrium ratio, B:322-324
vs. lanthanum/niobium ratio, B:383
vs. neodymium, B:492
vs. zirconium, A:140

zirconium/scandium ratio

basalts, B:493-495
vs. depth, B:489

zirconium/yttrium ratio

basalts, A:229
volcanic rocks, B:342
vs. depth, A:137; B:375
vs. niobium/yttrium ratio, B:84, 345-347, 496-497

zoning, diatoms, B:211, 214