TY - BOOK AU - Brooks,William E. TI - Summary of chemical analyses and 40Ar/39Ar age-spectra data for Eocene volcanic rocks from the central part of the northeast Nevada volcanic field T2 - Evolution of sedimentary basins--Eastern Great Basin AV - QE75QE461 .B9 no. 1988-K U1 - 557 s552/.2/09793 20 PY - 1998/// CY - Washington, Denver, CO PB - U.S. G.P.O., U.S. Dept. of the Interior, U.S. Geological Survey, For sale by U.S. Geological Survey, Information Services KW - Rocks, Igneous KW - Nevada KW - Composition KW - Argon-argon dating KW - Geochemistry KW - Geology, Stratigraphic KW - Eocene N1 - Includes bibliographical references (p. 31-33) ER -