962 



INDEX 



Iron ore continued 



Lake Superior region, 459 



of Alabama, 538 



of Lower Cretaceous age, 736 



of Ohio, 639 



of Pennsyvlanian, 638, 639 

 Iron pyrites, 78 

 Ironstone, 84 

 Irruptions, 367 

 Irving, R. D., 466 

 Ischadites, 533 

 Ishpeming formation, 460 

 Isocardia markoei, 825 

 Isoclinal fold, 401 

 Isoseismals, 342 

 Isostasy, 468, 481 

 Isostatic plane, 480 

 Isotelus maximus, 524 

 Itacolumite, 84 



Jacksonian formation, 774 

 Jasper, 80, 84 

 Jelly-fish, Cambrian, 500 

 Jerseyan glacial epoch, 874 

 John Day basin, 778, 798 

 Johnson, L. C., 829 

 Joints, 40, 61, 406 



influence on erosion, 165 

 origin of, 408 

 Judd, J. W., 393 

 Jurassic, birds of, 725 

 climate of, 710 

 close of, 707, 710 

 coal, 709 

 conifers, 719 

 fauna, 710^19, 721-726 

 flora, 719 

 in Alaska, 707 

 Arctic lands, 709 

 Asia, 709 

 Australia, 709 

 Borneo, 709 

 Europe, 708 

 Mexico, 709 

 New Zealand, 709 

 South America, 709 

 life of, 710 



on Atlantic coast of North Amer- 

 ica, 702 

 on Pacific coast of North Amoricn, 



705 



period, 702-726 

 reptiles, 716-720 

 system, thickness of, 707 

 Kaaterskill Creek, 124 



Kame terraces, 871 

 Kames, 274, 870, 872 

 Kansan glacial epoch, 874, 875 

 Kansas, oil and gas in, 639 



zinc ore in, 597 

 Kaolin, 78 

 Kaolinite, 78 

 Karst topography, 689 

 Kaskaskia series, 597 

 Kayser, E., 643, 689, 758 

 Keewatin ice-sheet, 847 

 Keilhack, K., 894 

 Kellogg, S. D., 884 

 Keokuk limestone, 597 

 Keuper formation, 688, 689 

 Keweenawan conglomerate, 460 



deformation, 465 



system, 460 



thickness of, 461 

 Kidd, D. A., 279 

 Kilauea, 376 

 Kinderhook fauna, 607 



formation, 597 



King, C., 685, 707, 776, 835, 838, 910 

 Kingsmill, T. W., 887 

 Kingston beds, 559 

 Kittatinny peneplain, 172 

 Klamath Mountains, 707 



peneplanation in, 810 

 Knight, W. C., 661, 702, 732 

 Knott, C. G., 338, 344 

 Knowlton, F. H., 778, 797 

 Knox dolomite, 510 

 Knoxville series, 733 

 Kona dolomite, 460 

 Kootenay formation, 732-733 

 Krakatoa, 89 



Kttmmel, H. B., 335, 683, 730 

 Kutorgina cingulata, 497 



Laboratory work, 87 



Labradorian ice-sheet, 8- Hi 



Labradorite, 78 



Labyrinth odonts, 019. 0.7J. 0.-.:; 



Laccoliths, 15, 16, 367 



Lacustrine deposits, 333, 770. '.MM). 



905 



Lselaps, 762 



Lafayette formation, 829 

 Lake Agassi/, ssi. 9TJ 



Algonquin. SS] 

 Arkona. 881 

 basins, origin <>f. :;:! ~ 

 Bonnevffle, 834, '.).',. 900 

 faulting on *h<nv >!'. ( .'" s 



