Felsic intrusive rocks, granophyre

Felsic intrusive rocks, granophyre. Includes parts of the Eagle Mountain (~1,098 Ma) and Pine Mountain (~1,095 to 1,098 Ma) intrusions.
State Minnesota
Name Felsic intrusive rocks, granophyre
Geologic age Mesoproterozoic
Lithologic constituents
Major
Igneous > Hypabyssal > Felsic-hypabyssalfelsic intrusive rocks, granophyre
Comments Part of miscellaneous intrusions of the Keweenawan Supergroup and Midcontinent Rift Intrusive Supersuite.
References

Jirsa, Mark A., Boerboom, Terrence J., Chandler, Val W., Mossler, John H., Runkel, Anthony C., and Setterholm, Dale R., 2011, S-21 Geologic Map of Minnesota-Bedrock Geology; Minnesota Geological Survey, State Map Series S-21. Scale 1:500,000.

NGMDB product
Counties Cook - Lake - Saint Louis