Chapter VIII. 

 CARBONIFEROUS UNDIVIDED. 



Color, light blue, horizontal ruling. 



Symbol, 14. 



Distribution: Western North America, Arctic region, Newfoundland, and Central America. 

 Subdivided into Mississippian, Pennsylvanian, and Permian in eastern North America. 

 (See fig. 10.) 



Content: Mississippian and Pennsylvanian limestones of the Cordillera including Devonian 

 where present; Mankomen formation and Nabesna limestone of Alaska; Lisburne forma- 

 tion, Alaska; Carboniferous of the Parry Archipelago, Arctic region; Carboniferous of 

 Newfoundland; doubtful Carboniferous or Devonian of Honduras. 



Areas mapped as Carboniferous xmdivided. 



Page. 



E 16 British Honduras 355 



H-I 12 Southern Arizona 357 



H-I 13 Trans-Pecos Texas 358 



1 12 Arizona and northwestern New Mexico 361 



113 New Mexico 362 



1 16 Alabama (not mapped) 363 



J 10 Sierra Nevada, California 363 



J 11 Eastern Nevada 364 



J 12 Southern Utah and northern Arizona 366 



J 13 Colorado 367 



J-L 13 Wyoming, northern Colorado, and South Dakota 372 



K 10 Klamath Mountains, California 373 



K 11 Nevada. (See J 11 and K 12.) 



K 12 Wasatch and Uinta ranges 376 



L 11 Blue Mountains, Oregon 380 



L 12 Western Montana 381 



L 19-20 New Brunswick (Mississippian and Pennsylvanian mapped separately) 383 



L 20 Nova Scotia and adjacent parts of New Brunswick (Mississippian, Pennsyl- 

 vanian, and Permian mapped separately) 384 



L-M 11-12 Western Montana and northern Wyoming 386 



M 11 Front Range, Rocky Mountains of Alberta 388 



M 21 Newfoundland , 389^ 



M-P 8-] 10 Rocky Mountains of British Columbia 39O 



N-0 8-9 Southeastern Alaska 392 



P 6-7 Northern base of St. Elias Range and White River basin, Alaska and Yukon 



Territory 394 



Q 3 Seward Peninsula, Alaska .- 395 



Q 7 Upper Yukon and Porcupine rivers, Alaska 395 



R 3 Cape Lisburne and Cape Thompson, northwestern Alaska 396 



R 5 Endicott Range, Alaska 399 



S-T 10-14, T 15, U 17-20 Baring (or Banks) Land, Parry Islands, Ellesmere Land, and Grinnell Land. . 399 



E 16. BRITISH HONDURAS. 



Sapper ®®* in 1899 compiled the available information concerning the geology 

 of British Honduras, or Belize. The map of that region as furnished by the Mexican 

 Survey in 1906 follows his reconnaissance map of 1899. The Carboniferous and the 



a M 10-11, N 10-11, O 9-10, and P 8-9 in general mapped with Paleozoic undivided. 



355 



