Stratigraphy of Tertiary volcanic rocks in eastern Nevada, by Earl F. Cook, 1965.

Criteria used for ignimbrite correlations; descriptions of named volcanic formations, features of eastern Nevada ignimbrites, origin of ignimbrites, structural implications of the volcanic relations; references and index.

Related information on stratigraphy in the Great Basin is available in B72.

Report 11, 67 pages, 11x8.5", 31 b/w drawings, 9 b/w photos (including 8 photomicrographs), 2 tables, 1 plate-- 1:500,000, locations of sections, 30x35.5", b/w, photocopy,, $27.95