Where there is more than one index entry for a term, the bold face number refers to the page where it is illustrated, and/or defined, or described fully. Where a term is defined in the text, it is set in bold face. Where
a term is illustrated in a color plate, this is indicated in the index.
Accommodation space, 283,467-469,
Plate 2C
Algae, 215,218, 335,400, 431,455
Algal stromatolites, 246, 247, 249, 403
Allocycles, 200, 286
Allodapic limestones, 268
Alluvium,
of braided channels, 193-196
of meandering channels, 196-200
economic geology of, 200-207
placer deposits of, 204-207
Ammonitico rosso, 277
Anhydrite
formation of, 446-452
mineralogy of, 440-441
nodular, Plate 5D
Ankerite, 396
Anoxic environments,
abyssal, 276
lacustrine, 220
shelf, 241-242
Anthracite, 428
Antidunes, defined, 96
in rivers, 96, 150
in turbidites, 105,149
Apatite, eluvial placers of, 36
Aragonite, 396,
Arkose, 353-354, Plate 3D
Arthrophycus, 134
Ash, volcanic, 29, 345
Atolls, evolution of, 252-254
Autocyclic sedimentation, 200, 286
513
Back-arc basins, 486,
Bacteria, 251,341-342, 363,376, 427, 455,
459, 506
Bahama Bank, 248-251
Ball and pillow, 159
Ball clay, 33
Banded iron formations, 434-436, 474479, 458
Barchan dune, 109
Barrier islands, 230-240
ancient, 234-237
modern, 233-234
petroleum in, 237-239
placer ores in, 239-240
Barytes, in pelagic deposits, 277
Basins, sedimentary,
classified, 475-478
defined, 468
described, 478-496
mechanisms of formation, 472-478
modelling, 496-506
Bauxite, 34
Beachrock, 400, 413, Plate 7A
Bedding, 142
convolute, 158
cross-, 144-152
flat, 143
graded, 143-144
massive, 143
/3 factor, 475, 478-479, 500
Bentonite, 337-338
Bermuda triangle, 168