Precious and base-metal mineralization in the west-central Vermilion district, portions of St. Louis, Lake, and Cook counties, northeastern Minnesota /
by Henry V. Alminas, John B. McHugh, and E.C. Perry, Jr.
- Washington : U.S. G.P.O., 1992
- iv, 37 p. : ill., maps (some col.) ; 28 cm.
- U.S. Geological Survey bulletin ; 1984 .
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
Ore deposits--Minnesota Precious metals--Minnesota Mines and mineral resources--Minnesota Geology--Minnesota