Bedrock geology of Minnesota: Postcard
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Minnesota Geological Survey
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Abstract
This simplified geologic map shows the general distribution of rock types underlying
Minnesota's landscape. Some of the rocks are 3.6 billion years old-the oldest found so far in
the United States.
Keywords
Description
The map is modified from the Geologic map of
Minnesota, bedrock geology: MGS State Map Series S-20.
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Suggested Citation
Tipping, R.G.; Lusardi, B.A.. (1996). Bedrock geology of Minnesota: Postcard. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/59848.
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