Radiometric Ages of Igenous Rocks From Pima, Santa Cruz, and Cochise Counties, Southeastern Arizona; Geological Survey Bulletin 1379

by Richard F. Marvin, S. G. Creasey, T. W.

$25 · Offered by Crossroads Books

Washington: United States Government Printing Office, 1973. red cloth, 9.25 x 6 , 27 pages, public property stamped front cover. very good. Item #5570190 from the title page, A tabulaton of K-Ar, Pb-a, and Rb-Sr ages for igneous rocks ranging in age from Pliocene to Precambrian.

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