Chapter XV. 



UPPER CRETACEOUS. 



Oolor, light green. 



Symbol, 7. 



Distribution: South America and West Indies; present but not distinguished in Mexico from 

 Lower Cretaceous; Atlantic and Gulf coasts from Mexican boundary to New England; 

 the Literior province, New Mexico to Mackenzie; Pacific coast, Lower California to Alaska; 

 the Arctic coastal plain of Alaska; and the west coast of Greenland. 



Content: Marine and coastal-plain deposits of the Atlantic and Gulf coasts and West Indies, 

 comprising Raritan to Manasquan, New Jersey; Black Creek ("Bladen") and Peedee 

 ("Burches Ferry"), North Carolina; Tuscaloosa to Ripley, Alabama; and the Gulf series — 

 that is, Woodbine to Navarro — of Texas and Louisiana. In Mexico included on map 

 with Lower Cretaceous (8). Marine and coastal-plain deposits of the Interior, Dakota to 

 Fox Hills, inclusive, and equivalents. Marine deposits of the Pacific coast, Chico and its 

 equivalents. Laramie and coal-bearing portion of the Montana of the Rocky Mountains 

 and Great Plains mapped separately. 



MONTANA, COAL-BEARING PORTION. 



Color, olive-green. 



Symbol, 7a. 



Distribution: Rocky Mountains and northern Great Plains of the United States and Canada. 



Content: Middle Montana, generally coal bearing; Mesaverde of New Mexico, Colorado, and 

 southern Wyoming; Eagle, Claggett, and Judith River of northern Wyoming and Mon- 

 tana and their equivalents in Canada. 



LATE UPPER CRETACEOUS, LARAMIE. 



Color, yellowish green. 

 Symbol, 6. 



Distribution: Rocky Mountains of the United States, southern Wyoming to New Mexico. 

 Content: Late Cretaceous coal-bearing formations; Laramie of the Denver Basin; "Lower 

 Laramie " of southern Wyoming ; and coal-bearing equivalents in Colorado and New Mexico. 



Upper Cretaceous areas. 



Page. 



D 19 Curacao, Aruba, and Bonaire 639 



E 18 Jamaica 639 



E 19 Santo Domingo 642 



F 17-18 Cuba 643 



E-G 13-14 Mexico (mapped in part) 644 



G 12, H 11 Lower California 644 



G-H 13-14 Coaliuila and Zacatecas, Mexico 648 



H 14 Southern Texas 649 



H-1 14 Northeastern Texas 650 



1 15 Northeastern Texas, Arkansas, and Louisiana 652 



1 16 Western Tennessee 653 



1 16-17, J 16 Eastern Gulf region, Georgia, and South Carolina 654 



I-J 13 Colorado and New Mexico 660 



I-K 10 California and southern Oregon 667 



I-K 10 Atlantic Coastal Plain. (See Chapter XIV, pp. 608-614.) 



J 12 Plateau province of Utah and Colorado 670 



637 



