S-waves. See shear wave velocity
salinity
diapirs, B:57
gradients, A:130132
salts, sources, A:265266
scandium
sediments, B:231236
vs. depth, B:157, 233
See also thorium/scandium ratio
scouring, photograph, A:181
sea water. See paleoseawater
sea-level changes
glaciation, A:6
lithology, A:184
See also eustacy
seafloor pockmarks
diapirs, A:270272
gas hydrates, A:271
photograph, A:249
sediment drift, structure, A:4748
sediment instability, continental margin, A:6
sediment penetration rate, vs. depth, A:254
sediment properties, pressure core sampler, A:296
sediment recovery, gas release, B:125126
sedimentation
diagenesis, A:220221
lithologic units, A:7981
lithology, A:146147, 313
PlioceneQuaternary interval, B:402404
shallow hydrates, B:233234
See also pelagic sedimentation; precipitation
sedimentation, hemipelagic, lithologic units, A:80
sedimentation rates
biostratigraphy, A:188189, 258, 291292; B:365366
calcareous nannofossils, B:333
gas hydrates, B:136
lithologic units, A:147, 149
nannofossil datums, A:117
organic carbon, A:286
Quaternary, A:82
vs. depth, B:375
vs. diatom abundance, B:375
See also mass accumulation rates
sediments
bacteria, B:393398
carbon-14, B:325327
composition, B:231233, 313324
compressional wave velocity, B:265272
diagenesis, A:6, 247249; B:139146
geochemistry, B:147149, 151163
geotechnical properties, B:421429
grain size, B:237245
hydrocarbons, B:4758, 101112
isotopes, B:6777
Minolta data, B:318323
photograph, A:7174, 7677
physical properties, A:78, 196
PlioceneMiocene interval, B:34
Rock-Eval pyrolysis, A:92, 129, 202, 302
X-ray diffraction data, A:183, 256, 286
See also red sediments
sediments, deep-marine, geomicrobiology, B:379391, 393398
sediments, hemipelagic, scanning electron microscope photomicrographs, B:306
seismic amplitude reduction, gas hydrates, A:4849
seismic profiles
arrivals vs. arrival time, A:135
Blake Ridge, A:4756, 59; B:4, 181, 254
Cape Fear Diapir, A:69
depths, A:135
Site 994, A:101104
Site 995, A:177
Site 996, A:244248
Site 997, A:280
seismic profiles, vertical
depth, A:206207
experimental design, A:135136, 305306
reflectors, B:269270
seismic reflection, marine gas hydrates, A:5
seismic surveys
gas hydrates, B:253264
systems, A:4346
seismogram stacks, vs. depth, A:208
shallow faults, gas hydrates, A:51
Shannon/Weaver diversity
planktonic foraminifers, B:351, 353
vs. depth, B:357
shear, Lamont-Doherty dipole shear tool, A:215
shear strength
sediments, B:422423
vs. depth, A:9496, 205, 274, 304; B:425
shear strength, undrained, sediments, A:9193, 133, 201, 269, 304
shear wave velocity
gas hydrates, B:255257
vs. depth, A:217
shells
lithologic units, A:246
photograph, A:252
sediments, A:247
shore-based processing, well-logging, A:155, 166, 226, 319
Siberia, gas hydrate detection, B:169
side-scan sonar, diapirs, A:67
siderite
authigenic carbonates, B:303306
diagenesis, A:149, 314; B:139146
lithologic units, A:285286
sediments, A:183184
vs. depth, A:112, 182, 286; B:308
X-ray diffraction data, A:112
siderite beds, lithologic units, A:283
siderite nodules, lithologic units, A:111, 283
siderite rhombs, scanning electron microscope photomicrographs, B:306
silica
pore water, A:129, 264265, 300301
vs. depth, A:131, 203, 271, 303; B:233
See also opal
silt, aragonitic clayey, lithologic units, A:246
silt, clayey, photograph, A:74
silt, lithologic units, A:6972, 7475, 7879
silt, nannofossil clayey, photomicrograph, A:80
Site 533, gases, B:35
Site 570, gas hydrates, B:180
Site 991
biostratigraphy, A:8182
diapirs, B:30
lithostratigraphy, A:6875
physical properties, A:9091
slide scars, B:325327
Site 992
biostratigraphy, A:82
diapirs, B:30
lithostratigraphy, A:7578
physical properties, A:9192
Site 993
biostratigraphy, A:82
diapirs, B:30
lithostratigraphy, A:7881
physical properties, A:9294
Site 994, A:99174
background and objectives, A:100103
bacteria, B:393398
biostratigraphy, A:114117; B:331341
coring, A:105
diapirs, B:30, 3435
downhole measurements, A:122124, 136144
gas hydrates, B:247249
geomicrobiology, B:383384
geophysics, A:135136
grain size, B:237245
in-situ temperature, A:144146
inorganic geochemistry, A:128132
isotope stratigraphy, B:173175
lithology, B:229236
lithostratigraphy, A:105114
operations, A:103105
organic geochemistry, A:124128
oxygen isotopes, B:5966
paleomagnetism, A:117122
physical properties, A:132135
seismic profiles, A:4756, 59
site description, A:99174
synthesis and significance, A:146152
well-logging, A:136144
Site 995, A:175240
background and objectives, A:176177
biostratigraphy, A:185189; B:331341
coring, A:178
diapirs, B:30, 3435
downhole measurements, A:193197, 207215
gas hydrates, B:247249
geomicrobiology, B:384386
geophysics, A:204207
grain size, B:237245
in-situ temperature, A:215220
inorganic geochemistry, A:198200
lithostratigraphy, A:179185
operations, A:177179
organic geochemistry, A:197
paleomagnetism, A:189193
physical properties, A:200204; B:424
seismic profiles, A:4756, 59
site description, A:175240
synthesis and significance, A:220224
well-logging, A:207215
Site 996, A:241275
background and objectives, A:243
biostratigraphy, A:256, 258
coring, A:250
diapirs, B:30
downhole measurements, A:261262
gas hydrates, A:249255; B:219228
inorganic geochemistry, A:264266; B:285300
lithostratigraphy, A:245249
operations, A:243245
organic geochemistry, A:262264
paleomagnetism, A:258, 260261
physical properties, A:266, 269270
site description, A:241275
synthesis and significance, A:270272
Site 997, A:277334
ammonium, B:171172
background and objectives, A:278279
biostratigraphy, A:290292; B:331341, 343363
coring, A:281
diapirs, B:30, 3435
diatoms, B:365376
downhole measurements, A:295297, 307310
gas hydrates, A:286290; B:247249
geomicrobiology, B:386387
geophysics, A:305307
grain size, B:237245
in-situ temperature, A:310313
inorganic geochemistry, A:298, 300301; B:147149, 151163
lithostratigraphy, A:281286
operations, A:279281
organic geochemistry, A:297298
oxygen isotopes, B:5966
paleoceanography, B:343363
paleomagnetism, A:292295
physical properties, A:301, 303305
seismic profiles, A:4756, 59
site description, A:277334
stable isotopes, B:129137
synthesis and significance, A:313317
well-logging, A:307310
Sites 991993, A:6597
background and objectives, A:6667
coring, A:69
inorganic geochemistry, A:8890
operations, A:68
organic geochemistry, A:8788
paleomagnetism, A:8287
physical properties, B:424
site description, A:6597
synthesis and significance, A:94, 96
slide scars
carbon-14 age, B:325327
deformation, B:6
photograph, B:327
slumps
gas hydrates, B:9
geochronology, B:325327
lithologic units, A:246249
See also debris flows; landslides; mass transport deposits
smear slides, photomicrograph, A:75
smectite
carbon/oxygen ratio, B:205206
porosity, B:434
vs. depth, B:207208
sodium
pore water, A:89, 264265
vs. depth, A:271
sodium/chloride ratio
salts, A:8990, 266
vs. chloride, A:93
vs. depth, A:273
soft sediment deformation, lithologic units, A:75, 7778, 9496, 246249
sonic logs. See gamma rayresistivitysonic logs; velocity
sparite
lithologic units, A:246247
photomicrograph, A:255
species diversity
nannoflora, B:339
planktonic foraminifers, B:351, 353
spectra, seismic surveys, A:45
spectral data, shore-based, sediments, B:313324
spectral modeling, reflectors, B:268269
spectroscopy, nuclear magnetic resonance, gas hydrates, B:1718
spectroscopy, Raman, gas hydrates, B:18, 20
Sphaeroidinella, vs. depth, B:356
spicules, biostratigraphy, A:8182
sponge spicules, lithologic units, A:284
spores, sediments, B:52
sporinite, organic matter, B:55
stability zone, gas hydrates, A:317
stable isotopes
authigenic carbonates, B:289290, 292294, 303306
carbonates and sulfides, B:139146
methane, B:7985
pore water, B:129137
See also carbon isotopes; oxygen isotopes; strontium isotopes; sulfur isotopes
stress, sediments, B:421429
stress, vertical effective
vs. depth, B:429
vs. void ratio, B:427428
strontium
pore water, A:89, 129, 264265, 300301
vs. depth, A:131, 203, 271, 303; B:159, 305
strontium/calcium ratio, vs. depth, B:305
strontium/chloride ratio, vs. depth, A:283; B:305
strontium isotopes
authigenic carbonates, B:289290, 292294
pore water and authigenic carbonates, B:292293
vs. depth, B:298
structure, gas hydrates, A:4748; B:1620
subpolar assemblage, faunal assemblages, B:358
subtropical gyre assemblage, faunal assemblages, B:358
sulfate
concentration, B:94
depletion, A:90; B:3536, 9396
focused consumption, A:132
pore water, A:89, 128, 264
vs. depth, A:93, 131, 203, 271, 303; B:82, 85, 8991, 383, 385, 387
vs. methane, A:131
See also methane/sulfate ratio
sulfate/methane interface, authigenic carbonates, B:307
sulfate/methane ratio, vs. depth, A:88
sulfate flux, models, B:9293
sulfate reduction
authigenic carbonates, B:307309
high-resolution sampling, B:90
methanogenesis, A:126128; B:8085, 8799
organic matter transformation, B:55
PlioceneQuaternary interval, B:402404
pyrite, B:145
sediments, A:197, 298
vs. depth, B:85, 383, 385, 387, 389
sulfides
lithologic units, A:181182
reduction, A:193
stable isotopes, B:139146
See also iron sulfides; pyrite; pyrrhotite
sulfides, disseminated, lithologic units, A:284
sulfides, magnetic, reduction, A:294
sulfur, sediments, A:91, 128, 201, 263264, 269
sulfur, total, sediments, A:125126, 197, 297298, 301; B:4851
sulfur isotopes
pyrite, B:143146
vs. depth, B:9192
supersaturation, diatoms, B:233234
taxonomy, calcareous nannofossils, B:332333
temperature
anomalous measurements, A:146
chloride, A:198199
core recovery, B:5
core slabs, A:184185
cores, A:185186, 288
downhole core profiles, A:113, 185
equilibrium temperature, B:258260
gas hydrates, A:144, 255; B:247249
porosity, B:431434
slab samples, A:185
tools, A:215
vs. chloride, A:204
vs. depth, A:149, 152, 184, 220, 223, 287, 289, 313, 316; B:256257
vs. pressure, B:2728
vs. thermal conductivity, B:25
vs. thermal demagnetization, A:193
vs. time, A:148, 218220, 311312
water, A:197; B:120122
water-sampling probe, A:195196
See also pressuretemperature conditions
temperature, core
distribution, A:260
vs. depth, A:115, 186
temperature, core slab, gas hydrates, A:113
temperature, in-situ
sampling, B:5
Site 994, A:144147
Site 995, A:215220
Site 997, A:310313
temperature, surface, isothermal surface plot, A:114115
temperature logs, vs. depth, A:145, 216
temperature probe, pore water, A:296297
terrigenous components
lithologic units, A:111
mass accumulation rates, A:149
textures, authigenic carbonates, B:287289
thermal anomalies, gas hydrates, A:113
thermal conductivity
gas hydrates, A:8; B:22, 2425
sediments, A:9293, 133, 201202, 270, 304305
vs. depth, A:134, 206, 274, 305
vs. temperature, B:25
thermal neutron porosity logs, vs. depth, A:141
thermal surveys, gas hydrates, B:253264
thermogenesis, hydrocarbons, A:298
thermogenic gases, gas hydrates, A:910
thorium
vs. depth, B:162
vs. potassium, A:140, 212
thorium/scandium ratio, vs. depth, B:163
thorium/uranium ratio, vs. depth, B:163
thorium logs, vs. depth, A:156157
time, vs. pressure, A:122123, 265, B:124125
timepressure plots, pressure core sampler, A:195
titanium. See aluminum/titanium ratio
tomography. See acoustic reflection tomography
trace elements
authigenic carbonates, B:293
sediments, B:151163, 231236
traveltime
gas hydrates, A:223224
vs. depth, A:136
vs. frequency, B:268
vs. trace number, B:276
traveltime, one-way, vs. depth, A:137, 207, 306
traveltime, two-way, vs. depth, A:137, 146, 208
triterpenoids, sediments, B:50
upper methanogenic zone, authigenic carbonates, B:307309
upwelling, nannoflora, B:338339
uranium
vs. depth, B:162
See also thorium/uranium ratio
uranium logs, vs. depth, A:156157
vanadium, vs. depth, B:157
variegated color, photograph, A:7172
veins, gas hydrates, A:251, 254
velocity
gas hydrates, A:67
theoretical studies compared with experiments, B:276277
tomographic inversion, B:277
vertical seismic profiles, A:305307
vs. depth, A:9495, 134, 137, 195197, 206208, 255258, 305306
waveforms, A:147
See also compressional wave velocity; shear wave velocity
velocity, acoustic
gas hydrates, A:144
sediments, A:9193, 133, 201, 269, 303304
tools, A:215
velocity logs
gas hydrates, B:193198, 247249
porosity, B:194
vs. depth, A:139, 142143, 210, 213214, 217, 308309
See also gamma rayresistivitysonic logs; sonic logs
vent fluids, sediments, A:249
vitrinite
sediments, B:5056
vs. depth, B:51
void ratio
vertical effective stress, B:427428
vs. consolidation, B:427428
See also porosity
volume
gases, A:186
pressure core sampler, B:441
vs. pressure, B:115, 117124
warm-water (Gulf Stream) assemblage, faunal assemblages, B:356357
water
composition, A:124
gas hydrates, B:2022, 122123
sources, B:224225
temperature, A:197; B:120122
See also gas/water volume ratio
water/gas molar ratio, gas hydrates, A:8; B:1620, 4142
water content
sediments, B:431434
vs. depth, A:9495, 134, 205, 274, 304; B:432
water masses
foraminifers, B:358359
See also paleoceanography
water sampler, sediments, A:123124
water saturation, well-logging, B:187189
well-logging
chloride, Blake Ridge Transect, B:4
formation evaluation, B:199215
gas hydrate detection, B:179191, 247249, 253264
gas hydrate volume, B:193198
gas hydrates, A:309310
shore-based processing, A:155, 166, 226, 319
Site 994, A:136144; B:183
Site 995, A:207215; B:183
Site 997, A:307310; B:184
See also downhole measurements; epithermal neutron porosity logs; gamma raydensity logs; gamma raydensityporosity logs; gamma rayresistivitysonic logs; gamma-ray logs
well-logging unit 1, sediments, A:308
well-logging unit 2, sediments, A:308309
well-logging unit 3, sediments, A:309
well-logging units, sediments, A:138139, 209210, 308309; B:182183
X-ray CT imagery, gas hydrates, B:1415, 17
X-ray diffraction data
gas hydrates, B:1719
sediments, A:75; B:155163
xenon
global inventory, B:169
vs. krypton, B:168
vs. neon, B:168
yttrium, vs. depth, B:160
Zijderveld plots, demagnetization, B:412
zinc, vs. depth, B:159
zirconium, vs. depth, B:160
zonation
authigenic carbonates, B:301312
calcareous nannofossils, B:332333
diagenesis, B:306307
Zoophycos, lithologic units, A:107