Item #5570321 Oligocene and Miocene Volcanic Rocks in the central Pioche-Marysvale Igneous belt, Western Utah and Eastern Nevada, Stratigraphy of the Volcanic Oligocene Needles Range Group in Southwestern Utah and Eastern Nevada; Miocene Magmatism and Tectonism n and Near the Southern Wah Wah Mountains, Southwestern Utah; U.S. Geological Survey Professional Paper 1433 A-B. Myron G. Best, Harald H. Mehnert S. Kerry Grant, Jeffrey D. Keith, Charles W. Nasser.

Oligocene and Miocene Volcanic Rocks in the central Pioche-Marysvale Igneous belt, Western Utah and Eastern Nevada, Stratigraphy of the Volcanic Oligocene Needles Range Group in Southwestern Utah and Eastern Nevada; Miocene Magmatism and Tectonism n and Near the Southern Wah Wah Mountains, Southwestern Utah; U.S. Geological Survey Professional Paper 1433 A-B

Washington: United States Government Printing Office, 1987. softcover, 11" x 8.5", illustrated, 47 pages, library writings on cover, cover loose from pages. good. Item #5570321

from the abstract, "Dominantly explosive mid-Oligocene magmatic activity 33-28 m.y. ago along the southern Utah-Nevada border produced several ash-flow cooling units with a total volume of at least 6,600 km and formed the large Indian Peak calera complex."

Price: $20.00

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