Index to the Geologic Names of North America
Index to the Geologic Names of North America
GEOLOGICAL SURVEY BULLETIN 1056-B
Index to the Geologic Names of North America
By DRUID WILSON, GRACE C. KEROHER, and BLANCHE E. HANSEN
GEOLOGIC NAMES OF NORTH AMERICA
GEOLOGICAL SURVEY BULLETIN 10S6-B
Geologic names arranged by age and by area containing type locality. Includes names in Greenland, the West Indies, the Pacific Island possessions of the United States, and the Trust Territory of the Pacific Islands
UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1959
UNITED STATES DEPARTMENT OF THE INTERIOR FRED A. SEATON, Secretary GEOLOGICAL SURVEY Thomas B. Nolan, Director
For sale by the Superintendent of Documents, U.S. Government Printing Office Washington 25, D.G. - Price 60 cents (paper cover)
CONTENTS
Page
Major stratigraphic and time divisions in use by the U.S. Geological Survey._ iv Introduction______________________________________ 407
Acknowledgments. _--__ _______ _________________________________ 410 Bibliography________________________________________________ 410 Symbols___________________________________ 413 Geologic time and time-stratigraphic (time-rock) units________________ 415 Time terms of nongeographic origin_______________________-______ 415 Cenozoic_________________________________________________ 415
Pleistocene (glacial)______________________________________ 415 Cenozoic (marine)_______________________________________ 418
Eastern North America_______________________________ 418 Western North America__-__-_____----------__-----____ 419 Cenozoic (continental)___________________________________ 421 Mesozoic________________________________________________ 421 Cretaceous______________________________________________ 422 Jurassic__ ______________________________________________ 422 Triassic ____________________________________ 422 Paleozoic.________________________________________________ 422 Permian___________________._______________ 423 Pennsylvanian__________________________________________ 423 Mississippian____________________________________________ 424 Devonian_______________________________________________ 425 Silurian________________________________________________ 425 Ordovician______________________________________________ 426 Cambrian_______________________________________________ 426 Precambrian-_____________________________________________ 427 Rock Units ..__________________________________ 429 United States....._____________.________________ 429 Canada...________________________________.__ 576 St. Pierre and Miquelon________________________________________ 603 Mexico.___________________________________._ 603 Central America_____________________________________________ 607 Greenland.....___._____________________.____...__ 609 Bermuda__________________________________________________ 611 West Indies.._________________________________ 612 Pacific Islands_______________________________________________ 618 Additions and corrections...-_________-____.-____________-------- 621
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