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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

Dikes

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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