Distribution of gold in porphyry copper deposits
By: by Dennis P. Cox and Donald A. Singer
Contributors: Singer, D. A; Geological Survey (U.S.)
Series: U.S. Geological Survey open-file report -- 88-46
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1988
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Ore deposits -- Composition; Copper ores -- Analysis
Notes: Distributed to depository libraries in microfiche

Bibliography: leaves 7-8

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1988]. 1 microfiche ; 11 x 15 cm