Precious and base-metal mineralization in the west-central Vermilion district, portions of St. Louis, Lake, and Cook counties, northeastern Minnesota /
Alminas, Henry V.,1938-
McHugh, John B.
Perry, Eugene C.,1933-
Minnesota Geological Survey.
Geological Survey (U.S.)
[Washington] : U.S. G.P.O. ; Denver, CO : For sale by Books and Open-File Report Sales, U.S. Geological Survey,
1992.
"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.
Includes bibliographical references (p. 37).
Ore deposits
Precious metals
Mines and mineral resources
Geology