Analyses of upper-plate volcanic rocks at Picacho Peak, Pinal County, Arizona
By: by William E. Brooks.
Contributors: Geological Survey (U.S.)
Series: Open-file report -- 85-740.; Open-file report (Geological Survey (U.S.)) -- 85-740.
Publisher: U.S. Dept. of the Interior, Geological Survey
Published: 1985
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Alkalic igneous rocks -- Analysis.; Rocks, Igneous -- Arizona -- Pinal County.
Notes: Distributed to depository libraries in microfiche.

Bibliography: p. 5.

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1985]. 1 microfiche ; 11 x 15 cm.