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Animikie Group; Shale, siltstone, feldspathic graywacke, and associated volcaniclastic rocks

Animikie Group; Shale, siltstone, feldspathic graywacke, and associated volcaniclastic rocks - Includes the Rove Formation in Cook County, the Virginia Formation in St. Louis, Itasca, and Lake Counties, and the Thomson Formation in Carlton County
StateMinnesota
NameAnimikie Group; Shale, siltstone, feldspathic graywacke, and associated volcaniclastic rocks
Geologic ageEarly Proterozoic
Original map labelPeg
Primary rock typeshale
Secondary rock typesiltstone
Other rock typesgraywacke; mixed clastic/volcanic
Lithologic constituents
Map references
Morey, G.B., and Meints, Joyce, 2000, Geologic map of Minnesota - Bedrock Geology: Minnesota Geological Survey, State Map Series, S-20, 3rd edition, scale 1:1,000,000. available online at: http://www.geo.umn.edu/mgs/currentpubs.htm
Unit references
Morey, G.B., and Meints, Joyce, 2000, Geologic map of Minnesota - Bedrock Geology: Minnesota Geological Survey, State Map Series, S-20, 3rd edition, scale 1:1,000,000. available online at: http://www.geo.umn.edu/mgs/currentpubs.htm
Geographic coverageAitkin - Carlton - Cass - Cook - Crow Wing - Hubbard - Itasca - Morrison - Otter Tail - Saint Louis - Stearns - Todd - Wadena

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