Quinlivan, W. D. and F. M. Byers, Jr.

Chemical Data and Variaion Diagrams of Igneous Rocks From the Timber Mountain-Oasis Valley Caldera Complex Southern Nevada; Open-fiel Report 77-724

United States Department of the Interior Geological Survey, 1977. softcover, 10.75" x 8", 9 pages, folden tables and figures inside rear pocket, Figure 2 & 4 missing 3 & 5, Table 1, 4, 5, 7, &10, missing 2, 3, 6, 8, & 9. good. Item #5570698

from the introduction, "The upper Tertiary Timber Mountain-Oasis Valley caldera complex comprises at least four overlapping cauldron subsidence centers and related volacnic rocks that are petrochemically distinct from those of adjacent and nearby centers of the southwestern Nevada volcanic field."

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