906 
INDEX. 
Paj^e. 
Buckingham  rocks,  correlation  of 75 
Buckley,    E.   R.,   and   Buehler,   H.   A.,   on 
Missouri  rocks 740, 752 
Buckley,  S.  B.,  on  Texas  rocks 743, 753 
Buck  Ridge,  rocks  of 661,662 
Buehler,   H.   A.,   and   Buckley,    E.   R.,   on 
Missouri  rocks 740, 752 
Buell,  I.  M.,  on  Waterloo  quartzite 721, 750 
Buena  Vista  Range,  rocks  of 871 
Bullfrog  Hills,  rocks  of 798 
Bull  Run  Mountains,  rocks  of 673 
Bully  Choop  Mountain,  rocks  of 874 
Burbank,  L.  S.,  on  Eozoonal  limestone 572,595 
on  Nashua  Valley 574, 595 
Burling,  L.  D.,  on  quartziteof  BarronCounty, 
Wis 193 
Burnetan  system,  character  and  distribution 
of 744 
subdivision  of 744 
Burnt  Mountain,  rocks  on 808 
Burntside  granite,  character  and  distribution 
of 334 
Burro  Range,  rocks  near 45, 768, 770 
Burt,  W.  A.,  on  Upper  Peninsula  rocks —  114,387 
Burwash,  E.  N.,  on  Michipicoten  rocks 296,  400 
on  Nipissing-Algoma  rocks 422,  445 
Byram  gneiss,  character  and  distribution  of.  644,645 
C. 
Caballos  Mountains,  rocks  of 45, 770 
Cabin  John,  rocks  at 668 
Cabinet  Mountains,  rocks  of 852 
Cabotian  rocks,  character  and  distribution  of.     239, 
240-241 
Cades  conglomerate,  character  and  distribu- 
tion of 686 
Cadottes  Pass,  rocks  near 855 
Calais,  rocks  at 565 
Calamahi,  rocks  near 761, 762 
Calciferous  limestone,  character  and  distribu- 
tion of 692 
correlation  of 624, 637, 676 
relations  of 626 
Caledonia  Mountains,  rocks  of 493-494 
California,  correlation  in 46 
pre-Cambrian  rocks  of 46, 867-874 
literature  of 867-874 
Calkins,  F.  C,  on  Idaho  rocks 852, 897 
work  of 15 
Calkins,  F.  C,  and  Ransome,  F.  L.,  on  Coeur 
d'Alene  region 852, 897 
Calkins,  F.  C,  and  Smith,  G.  O.,  on  Washing- 
ton rocks 866, 898 
Cambrian,  base  of 36-37, 63, 94 
correlation  of 76 
fossils  of 96 
subdivision  of 94, 319 
unconformity  beneath 36-37, 349-351 
Cambrian  (British),  character  of 48 
Cambridge  slate,  character  and  distribution 
of 571 
Campbell,  J.  B.,  on  Lake  Superior  mineral 
regions 398, 401 
Campbell,  J.  L.,  on  Virginia  rocks 673-674, 714 
Page. 
Campbell,   J.   L.    and    H.   D.,   on  Virginia 
geology 675, 694, 714 
Campbell,  J.  L.,  and  Rurlner,  W.  H.,  on 
Georgia  rocks 690, 716 
Campbell,  J.  S.,  on  gold-bearing  slates 505, 523 
Camp  Creek  series,  relations  of 833 
Camsell,  Charles,  on  Severn  River  region  . .  545,551 
Canaan,  rocks  of 583 
Canada,  correlation  in 41,  42, 77-78 
nomenclature  in 101 
pre-Cambrian  rocks  of 16-17, 42, 92-93, 97 
structure  in 77-78 
unconformity  in 39 
See  also  particular  provinces,  places,  etc. 
Canada    (northern    interior),    pre-Cambrian 
rocks  of 526-551 
pre-Cambrian  rocks  of,  literature  of 526-545 
Canso,  Cape,  rocks  near 506 
Canton,  rocks  near 608 
Cantwell  River,  rocks  on 884 
Cape  Ann,  rocks  at 569, 575 
Cape  Rawson  beds,  character  and  distribu- 
tion of 536 
Careys  Islands,  rocks  of 530 
Caribou  Island,  rocks  of 536 
Caribou  Lake,  rocks  near 429 
Caribou  Mountains,  rocks  of 875-876, 878 
Carlton,  rocks  at 333, 338, 358 
Carlton  Mountains,  rocks  at 742 
Carltonian  anorthosite,  correlation  of 317 
Carlton  Peak,  rocks  at 215 
Carlton  slate,  correlation  of 243 
Carmelo  Bay,  rocks  of 872 
Carolina  gneiss,  character  and  distribution 
of 44, 585, 669, 682-683, 702,  704,  707 
correlation  of 44, 669, 709 
Carpenter,  F.  R.,  on  Black  Hills  geology. . .  730, 751 
Carpenter,  W.  L.,  on   Bighorn   Mountains 
rocks 839, 895 
Carp  River,  rocks  of 118, 173, 300, 354, 363 
Cartier,  rocks  near 412 
Cascade,  rocks  at  and  near 145, 147 
Cascade  City,  rocks  near 867 
Cascade  Creek,  rocks  on 830 
Cascade  formation,  character  and  distribu- 
tion of 145, 147, 368 
correlation  of 146, 149 
subdivision  of 147 
Cascade  Mountains,  rocks  of 865, 868, 875 
Cascade  series,  character  and  distribution  of.      875 
Castillo,  A.  del,  on  Lower  California  rocks. . .      762 
Castle  Creek,  rocks  on 729 
Castle  Mountain  district,  rocks  of 856-858 
Castle  Mountain  group,  character  and  distri- 
bution of 877 
Catamount  Mountain,  rocks  of 608 
Cat  Lake,  rocks  near 421 
Catlin,  George,  on  red  pipestone  quarries. .  196,392 
Catlinite,  correlation  of 250 
Catoctin  schist,  character  and   distribution 
of 44, 668, 695, 703 
Cebolla  Creek,  rocks  on 769, 816-817 
Cedar  Hill,  rocks  of 735-736 
Centerville,  rocks  at 676 
