INDEX. 
907 
Page. 
Central    America,    pre-Cambrian    rocks    of, 
literature  of 754-755 
Central  mine  group,  correlation  of 177 
Cerbat  Mountains,  rocks  of 870, 871 
Chads  Fork,  rocks  near 653 
Chamberlin,  T.C.,  meteoric  accretion  theory 
of 30-31 
on  Baraboo  rocks 718, 749 
on  cleavage  development 31 
on  copper-bearing  series 307-308, 401 
on  Fox  River  rocks 722, 750 
on  geologic  time  divisions 21 
on  geology  of  Wisconsin 190-192 
on  Lake  Superior  stratigraphy 368 
on  Penokee  district 184-185, 392 
Chamberlin,  T.  C,  and  Irving,  R.  I).,  on  con- 
tact on  Keweenaw  Point. .   135-136, 388 
on  correlation 47 
on  derivation  of  pre-Cambrian  sediments.        24 
on  pre-Cambrian  subdivision 20 
Chamberlin,  T.  C,   and  Strong,  Moses,  on 
St.  Croix  district 188, 392 
Chamberlin,  T.  C,  and  others,  on  quartzites 
of  Wisconsin 190, 392 
Champion,  ores  near 132 
Champlain  Lake,  rocks  of 597, 603-604, 607 
Champlain  series,  correlation  of 623 
relations  of 623 
Chandalar  River,  rocks  on 884,887 
Chandler  Fiord,  rocks  on 534 
Charming,  W.  F.,  on  St.  Marys  River 404, 444 
Chateau  Bay,  rocks  near 538 
Chatham,  rocks  near 461 
Chats,  rocks  near 466-467 
Chaudiere  series,  relations  of 487 
Chelmsford  sandstone,  character  and  distribu- 
tion of 432 
Chequamegon  Bay,  locks  near 298 
Cherokee  slate,  character  and   distribution 
of 680, 681-682 
correlation  of 682 
Cherry  Creek,  rocks  near 854,856,864 
Cherry  Creek  group,  character  and  distribu- 
tion of 46, 855-856, 860, 864 
correlation  of 33, 46, 865 
Cherty  limestone,  character  and  distribution 
of 141,144 
Chesaw,  rocks  near 867 
Cheshire  quartzite,  character  and  distribution 
of.... 579 
Chester,  rocks  at 570-571 
Chester,  A.  EL,  on  iron  region  of  Minnesota. . .    200- 
201,393 
Chester,  F.  D.,  on  Delaware  rocks 676-677, 714 
Chester  amphibolite,  character  and  distribu- 
tion of 579 
Chester  Creek,  rocks  on 659 
Chesterfield  Inlet,  rocks  of 534-535, 539 
Chester  Valley  limestone,  correlation  of 671 
Chestnut  Hill,  rocks  near 658 
Chiapas,  rocks  of 754, 756, 763, 765-768 
Chicago  Creek,  rocks  on 803-804 
Chickies  quart  zite,  correlation  of 657,  ♦  ">T i ,  709 
Chief  Mountain,  rocks  of 859 
Page. 
China,  pre-Cambrian  rocks  of 54-57 
Chippewa  district,  formation  of 178 
rocks  of 113, 116, 118, 178-179, 182, 195, 338 
Choccolocco  River,  rocks  near 690, 716 
Chocolate  River,  rocks  near 363 
Chocolate  Mountains,  rocks  of 869 
Chocorua  granite,  character  and  distribution 
of 555, 556, 557 
correlation  of 587 
Choyye  Cape,  rocks  at 257, 264, 281 
Chuar  group,  character  and  distribution  of.  773-774 
correlation  of 743, 773, 778 
fossils  in 33, 99, 773, 779 
Chugach  Mountains,  rocks  of 889 
Chugwater  Creek,  rocks  on 834 
Churchill  River,  rocks  on 532-533, 538-539 
Cimarron  Mountains,  rocks  in 769 
Cimarron  River,  rocks  on 768 
Cinnabar  Mountain,  rocks  on 853, 854, 855 
Citico  conglomerate,  character  and  distribu- 
tion of 686, 687 
Claremont,  rocks  near 556, 570 
Clark,  W.  B.,  on  Maryland  geology 669, 713 
Clark,  W.  B.,  and  Mathews,  E.  B.,  on  Mary- 
land geology 672, 713 
Clark,  W.  B.,  and  Williams,  G.  II.,  on  Mary- 
land geology 667,713 
Clarksburg,  rocks  at 586 
Clarksburg  formation,  character  and  distribu- 
tion of 159, 336, 577 
correlation  of 176 
Clarksburg  Mountain,  rocks  of 577, 578 
Clarks  Fork,  rocks  on 844, 853 
Clarks  Peak,  rocks  of 836 
Clasolite  formations,  nature  of 148 
Clayton  Peak,  rocks  at 785, 788-789 
Clear  Creek,  rocks  on 802, 804, 827 
Clearwater  Lake,  rocks  of 537 
Clearwater  Mountains,  rocks  in 46 
Cleavage,  existence  of 31 
Clements,  J.  M. ,  on  Alabama  geology 701 
on  Lake  Superior  stratigraphy 372, 374 
on  Michigamme  district  volcanics 154,390 
on  Vermilion  district 246-248, 396 
Clements,  J.  M.,  and  Smyth,  H.  L.,  on  Crys- 
tal Falls  district 163-169, 390 
Clements,  J.  M.,  and  Van  Hise,  C.  R.,  on  Min- 
nesota coast 242, 396 
on  Ontario  coast 287-289, 400 
Clifton  quadrangle,  rocks  of 777 
Clingman  conglomerate,  character  and  distri- 
bution of 686-687 
Clinton  Lake,  rocks  near 527 
Cloche  Mountains,  rocks  of l_'l 
Cloquet,  rocks  at 333, 338, 358 
Cloud  Peak,  rocks  of 839 
Cloud  Peak  quadrangle,  rocks  of 846 
Clover  Canyon,  rocks  in 793, 795 
Clover  Peak,  rocks  of 795-796 
Cluro  Hills,  rocks  of 792 
Coal  Creek,  rocks  on m i  1 . S04-805, 806, 808, 827 
Coastal  series,  character  and  distribution  of . .  83-84, 
97, 492, 493 
correlation  of 493, 496, 498, 502-51 13 
