10-year flood 62, 63, 70
100-year flood 59, 62, 63, 70
14C dating 58, 73
abandoned channels 139, 177-178,
180, 493, 514
accommodation 456-459, 475
actualistic facies model, history of
26, 31
adiabatic rainfall, see orographic
rainfall
Adriatic foreland 397,403
aerial photographs 15, 58
aggradation index 146, 152
Agua Grande field 487
Alberta Basin 365, 395, 403, 408,
419, 479,488, 495, 496
algal encrustations 127
Algoa Basin 395
allocyclic, see allogenic
allogenic process, definition of term
30, 31
allostratigraphy, use of 95, 306309,460
alluvial fan (see also terminal fan)
classification 207, 245-249
climatic setting 424, 428-431
evolution model 84, 252, 258259, 311-317, 344-346, 361-362
history of research 11, 23,.24
sequence 252, 259
tectonic setting 344-346, 378
alluvial ridge 321
alluvium, deformation of 399
Alpine fault 393
Altamont-Bluebell field 486
alternate bar 162, 165, 233, 238-240
Amazon River 348, 362, 364, 367,
417
Amite River 40,215, 307, 308
Anadarko Basin 487, 506
analysis of variance 21
anastomosed rivers
avulsion in 325-327
causes of 197, 325, 469,471
fluvial style 229, 232, 234, 237
anastomosing: history of term 14,
15, 32-33, 52
Ancestral Rockies 392, 401
antecedent river 398
antidune 19, 20, 22, 36, 112, 245
antitectonic model 375, 403
apex avulsion 143
apex incision 312
Aracas field 487
architectural element
and climate 434-435
classification of 89-94, 98
definition of 91
scale of 82, 282, 283
arid climate 425, 426, 427, 428-430,
442
aridity, facies indications of 222,
424-429, 432-435, 438, 442
Arkansas River 193, 433
Arkoma Basin 479,486, 487, 496,
506
armoring 103
Arno River 6
arroyo 435
Arve River 9
ash (in coal) 179
Atchafalaya River/delta 63, 65, 72,
318,319
Athabasca Oil Sands 54, 224
Athabasca River 208, 209
aulacogen 382-383
autocydic, see autogenic
autogenic process, definition of term
30, 31, 3!!
Auvergne 8
av ulsion 252, 253, 312, 317-327,
341, 471
axial (longitudinal) transport 364365, 375, 379, 398, 399, 403, 404,
413
Babbage River 218, 356, 357
backarc basins 386
and petroleum 479,486, 515
backfilling, fan 84, 311-315, 362
Badlands National Park 440
Bahia Supergroup 482, 497
bajada 31
bank (channel) stability 135, 192
Bantry field 486
bar, definition of 110
bar-top assemblage 149
Barail Sands 485
Barrancas Formation 497
Barrow Arch 506, 507
Bartlesville Sandstone 275, 485,
493,496
base level
change, effect of 352-362, 456458
defmition of 352
Basin and Range 379, 386, 387, 388
basin classification
paleogeographic 413
tectonic 376, 377
basin equilibrium time 374
Battery Point Formation 39, 40, 50,
434
bayou 14, 177
Beartooth Conglomerate 88, 258,
314
Beatrice field 487
Beaufort Group 227, 228, 408, 416,
435
bed load 15, 17, 18,50
bed roughness 17, 18
bed-load stream 50, 196
bedform classification 38, 60, 78
Bellshill Lake field 491, 496
Belly River Formation 496
bench (point�bar) 51, 163, 222
Beni Basin 387
Benin Formation 395
Benue Trough 383, 394, 418
Bermejo Valley 389, 390
Berwick field 493, 496
big rivers 54, 150, 362; 364, 414
Big Wall field 486
Bijou Creek model 33, 54, 163, 200,
243
Bijou Creek, C9lorado 24, 33, 72
billabong 177
bioturbation, floodplain 177
Blackhawk Formation 407, 462
Blackwell field 490, 496
blind structures 349
boghead coal 181
Bohai Bay Basin 482, 486, 491
Book Cliffs 265,407,482
Boothia Uplift 412, 415
boreal climate 425, 426, 431, 432
Boulder Creek Formation 463
boundary layer 17
bounding surfaces
and allostratigraphy 305-306
annotation of 96, 98, 151
classification of 69-71, 81-89
100-year flood 59, 62, 63, 70
14C dating 58, 73
abandoned channels 139, 177-178,
180, 493, 514
accommodation 456-459, 475
actualistic facies model, history of
26, 31
adiabatic rainfall, see orographic
rainfall
Adriatic foreland 397,403
aerial photographs 15, 58
aggradation index 146, 152
Agua Grande field 487
Alberta Basin 365, 395, 403, 408,
419, 479,488, 495, 496
algal encrustations 127
Algoa Basin 395
allocyclic, see allogenic
allogenic process, definition of term
30, 31
allostratigraphy, use of 95, 306309,460
alluvial fan (see also terminal fan)
classification 207, 245-249
climatic setting 424, 428-431
evolution model 84, 252, 258259, 311-317, 344-346, 361-362
history of research 11, 23,.24
sequence 252, 259
tectonic setting 344-346, 378
alluvial ridge 321
alluvium, deformation of 399
Alpine fault 393
Altamont-Bluebell field 486
alternate bar 162, 165, 233, 238-240
Amazon River 348, 362, 364, 367,
417
Amite River 40,215, 307, 308
Anadarko Basin 487, 506
analysis of variance 21
anastomosed rivers
avulsion in 325-327
causes of 197, 325, 469,471
fluvial style 229, 232, 234, 237
anastomosing: history of term 14,
15, 32-33, 52
Ancestral Rockies 392, 401
antecedent river 398
antidune 19, 20, 22, 36, 112, 245
antitectonic model 375, 403
apex avulsion 143
apex incision 312
Aracas field 487
architectural element
and climate 434-435
classification of 89-94, 98
definition of 91
scale of 82, 282, 283
arid climate 425, 426, 427, 428-430,
442
aridity, facies indications of 222,
424-429, 432-435, 438, 442
Arkansas River 193, 433
Arkoma Basin 479,486, 487, 496,
506
armoring 103
Arno River 6
arroyo 435
Arve River 9
ash (in coal) 179
Atchafalaya River/delta 63, 65, 72,
318,319
Athabasca Oil Sands 54, 224
Athabasca River 208, 209
aulacogen 382-383
autocydic, see autogenic
autogenic process, definition of term
30, 31, 3!!
Auvergne 8
av ulsion 252, 253, 312, 317-327,
341, 471
axial (longitudinal) transport 364365, 375, 379, 398, 399, 403, 404,
413
Babbage River 218, 356, 357
backarc basins 386
and petroleum 479,486, 515
backfilling, fan 84, 311-315, 362
Badlands National Park 440
Bahia Supergroup 482, 497
bajada 31
bank (channel) stability 135, 192
Bantry field 486
bar, definition of 110
bar-top assemblage 149
Barail Sands 485
Barrancas Formation 497
Barrow Arch 506, 507
Bartlesville Sandstone 275, 485,
493,496
base level
change, effect of 352-362, 456458
defmition of 352
Basin and Range 379, 386, 387, 388
basin classification
paleogeographic 413
tectonic 376, 377
basin equilibrium time 374
Battery Point Formation 39, 40, 50,
434
bayou 14, 177
Beartooth Conglomerate 88, 258,
314
Beatrice field 487
Beaufort Group 227, 228, 408, 416,
435
bed load 15, 17, 18,50
bed roughness 17, 18
bed-load stream 50, 196
bedform classification 38, 60, 78
Bellshill Lake field 491, 496
Belly River Formation 496
bench (point�bar) 51, 163, 222
Beni Basin 387
Benin Formation 395
Benue Trough 383, 394, 418
Bermejo Valley 389, 390
Berwick field 493, 496
big rivers 54, 150, 362; 364, 414
Big Wall field 486
Bijou Creek model 33, 54, 163, 200,
243
Bijou Creek, C9lorado 24, 33, 72
billabong 177
bioturbation, floodplain 177
Blackhawk Formation 407, 462
Blackwell field 490, 496
blind structures 349
boghead coal 181
Bohai Bay Basin 482, 486, 491
Book Cliffs 265,407,482
Boothia Uplift 412, 415
boreal climate 425, 426, 431, 432
Boulder Creek Formation 463
boundary layer 17
bounding surfaces
and allostratigraphy 305-306
annotation of 96, 98, 151
classification of 69-71, 81-89