A preliminary study of thermometry and metal sources of the Spar Lake strata-bound copper-silver deposit, Belt Supergroup, Montana
By: by Timothy S. Hayes
Contributors: Geological Survey (U.S.)
Series: Open-file report -- 90-484; U.S. Geological Survey open-file report -- 90-484
Publisher: U.S. Geological Survey
Published: 1990
Place of publication: [Denver, CO]
Language: eng
Format: Microform
Number of pages: 30
Subjects: Mines and mineral resources -- Montana -- Troy Region; Geology, Stratigraphic; Fluid inclusions
Notes: Cover title

Distributed to depository libraries in microfiche

Includes bibliographical references (p. 29-30)

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1992] 1 microfiche