Ferromonzodiorite forming the upper contact zone

Ferromonzodiorite forming the upper contact zone.
State Minnesota
Name Ferromonzodiorite forming the upper contact zone
Geologic age Mesoproterozoic
Lithologic constituents
Major
Igneous > Plutonic > Dioritic > MonzodioriteFerromonzodiorite
Comments Part of the Duluth Complex - layered series. Part 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 Saint Louis