Precious and base-metal mineralization in the west-central Vermilion district, portions of St. Louis, Lake, and Cook counties, northeastern Minnesota
By: by Henry V. Alminas, John B. McHugh, and E.C. Perry, Jr.
Contributors: McHugh, John B.; Perry, Eugene C., 1933-; Minnesota Geological Survey.
Series: U.S. Geological Survey bulletin ;; 1984
Publisher: U.S. G.P.O.; For sale by Books and Open-File Report Sales, U.S. Geological Survey
Published: 1992
Place of publication: [Washington]; Denver, CO
Language: eng
Number of pages: 37
Subjects: Ore deposits -- Minnesota.; Precious metals -- Minnesota.; Mines and mineral resources -- Minnesota.; Geology -- Minnesota.
Other titles: Mineralization in the Vermilion district, northeastern Minnesota.
Notes: Includes bibliographical references (p. 37).
"Field work done in cooperation with the Minnesota Geological Survey."
"Geochemical study of west-central Vermilion district indicates widespread precious- and base-metal mineralization; striking similarities exist with Archean lode gold deposits in Ontario."
Two folded maps in pocket.
Title on cover, p. [4]: Mineralization in the Vermilion district, northeastern Minnesota.