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Minnesota Geology Topics

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8x10 Geology Images

More detailed maps available under "Data and Publications" to the left

Aeromagnetic Map 1991

Aeromagnetic Map 2008

Archean Rocks

Bedrock Map Postcard 2003

Bedrock Map 2000


Dominant Rock Type

Dominant Soil Type

Exposed Rock

Geologic Terrane Cross Section

Gravity Map 2006

Mesoproterozoic Rocks

Paleoproterozoic Rocks

Phanerozoic Rocks

Rock Ages

Rock Distribution

Rock Terranes

Rock Type Cross Section

Surficial Geology Postcard

Time-Stratigraphic Cross Section

S21 bedrock image

Bedrock Geology 2011 Edition


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