INDEX 



1 163 



Geologic genera, 978 

 Geological time scale, 22 

 Geology, defined, 19 



, subdivided, 20 



Georgia Straits, in 

 Georgian Bay, 836, 837 

 Geosyncline, 799 



, proposed by Dana, 900 



Gephyrean worms, destruction of corals by, 



415 

 Gerbing, J., cited, 763, 774 

 Germersheim, 251 

 tierontastic, 973 

 Gerontic stage, defined, 972 

 Ghadames, 26 

 Giants' Causeway, columnar structure of, 



318 



, Tertiary basalt of, 867 



Gibbsite, 177 



Gibraltar, limestone breccias of, 547 



, Straits of, 240 



Gilbert, G. K., cited, 119, 143, 380, 705, 



706, 707, 709, 721, 861, 878, 908 



, quoted, 705, 706, 712, 713, 882 



, and Gulliver, F. B., cited, 447, 448, 



463, 840 

 , and others, cited, 908 



Islands, 389 



Gironde River, 223, 231 

 Girvan district, oolites of, 471 

 Girvanella, 283, 474 

 Givetien, 431 



Gjas, 866 

 Glabella, 947 

 Glacial grooves, 264 



periods, 30 



Glaciation, Cambric, 81 



, Lower Huronian, 81 



, Permo-Carbonic, 82 



, Pleistocenic, 80, 81 



, pre-Cambric, 81 



Glaciers, ablation of, 642 

 , alpine, 324 



, cliff, 324 



, continental, 325 



, piedmont, 324 



, plateau, 325 



, ravine, 324 



, valley, 324 



Glauberite, 363 



Glauconite, 330, 451 



Glen Roy, "Parallel Roads" of, 125 



<".linka, K., cited, 687 



Globigerina ooze, 450-453, 675 



, analysis of, 677 



, salt content of, 367 



Glossopteris, 481, 967 

 Glyptogenesis, 16, 829, 1 147 

 Glyptoliths, 572 

 Gneiss, 279, 771 



, restriction of term, 770 



Gneissoid structure, defined, 795 



Goat Island, fossiliferous gravels of, 89 



Gobi desert, strength of wind in, 56 



Goebel, quoted, 357 



Goethe, cited, 874 



Goldspie, 650 



Golfe di Taranto, 113, 608 



Golfe du Lion, 1 13 



Gollachy Mill, Old Red conglomerate of, 



716 

 Gondwana formation, reptiles of, 953 



land, 82 



Goniatites, 978 



Goodchild, J. G., cited, 253, 266 

 Goodenough Lake, composition of, 157, 158 



, salinity of, 154 



Goppert, cited, 1081 



Gorjanovic-Kramberger, K., cited, 92 



Gorteen Bay, 576 



Gossendorf, 246 



Gotan, S., cited, 79, 94 



Gotland, 420, 421, 838 



, reefs of, 418, 427 



, Siluric oolites of, 472 ^ 



Gotthard road, 368 



CJotzinger, G., cited, 543, 579 



Gour, 53 



Gower, limestones of, 459 



Grabau, A. W., cited, 124, 126, 127, 143, 

 243, 257, 266, 271, 283, 288, 299, 355, 

 366, 377, 380, 381, 418, 419, 424, 425, 

 427, 446, 463, 547, 579, 599, 600, t.35, 

 636, 637, 038, 684, 687, 719, 721, 723, 

 732, 739, 744, 749, 758, 774, 821, 827, 

 837, 858, 916, 900, 964, 970, 977, 979, 

 980, 981, 989, 990, 992, 994, 999, 1043, 

 1052, io56, 1070, 1095, 1097, 1113, 

 1 1 19, 1 136, 1 139, 1 145, 1 146, 1 148 



— — , quoted, 273, 282, 792, 793, 1074, 

 1075, 1076 



, and Reed, M., cited, 980 



, and Sherzer, W. H., cited, 52, 94, 



537. 538, 1 127, 1 148 



, and Shimer, H. W., cited, 956, 1095, 



II 19 



, quoted, 1074, 1076 



Graff, cited, 1024 



Grafton, 420 



Graham's Island, 864 



Grampians, Carex peat of, 505 



Gran Canaria, 244, 336 



■ — , oolite grains of, 753 



Grand Banks, 234 



Grand Canyon, lava flows of, 313 



Grand Cayman Island, 108 



Grand Puy of Sarconi, lava cone of, 870 



Granite, disintegration of, 32 



Granite, graphic, 194 



Granulites, consolidation of, 751 



Graphite, 510, 511 



Graptolites, 243 



, wide distribution of, 1134 



Gravenzande, destruction of dunes at, 224 



Graz, 246 



Great Bahama Banks, 104 



Great Banks, red algae on, 470 



Great Barrier Reef, 387, 389, 390, 391, 402, 

 403, 411, 413, 417 



, pteropod ooze near, 456 



, Orbitolites on, 1007 



Great Basin, diatomaceous earth of, 461 



, rainfall in, 69 



Great Fisher Bank, 191 



Great Geyser, siliceous waters of, 168 



Great Lakes, American, wave erosion on, 

 606 



Great Oolite, worn grains of, 577 



Great Pamir Mountains, sands brought 

 from, 561 



Great Plains, 260 



Great Salt Lake, 70, 338, 360 



■ , absence of calcium carbon- 

 ate in, 476 



, calcium carbonate in tribu- 

 taries of, 468 



, change in salinity of, 155, 



'56 . . 



— , composition of, 159 



, dune-forming oolites of, 550 



, elevation of, 115 



excrements of Artemia in, 



1093 

 oolite dunes of, 472, 574 

 oolites of, 467, 4(18, 473 

 -, salinity of, 154, 159 



