Granophyre, ferromonzodiorite, and leucogabbro

Granophyre, ferromonzodiorite, and leucogabbro. Includes the Mt. Weber (~1,106 Ma), Whitefish Lake (~1,109 Ma), Beth Lake, Misquah Hills (~1,106 Ma), and Cucumber Lake (~1,106 Ma) granophyres, and Wine Lake monzodiorite.
State Minnesota
Name Granophyre, ferromonzodiorite, and leucogabbro
Geologic age Mesoproterozoic
Lithologic constituents
Igneous > Plutonic > Dioritic > Monzodioriteferromonzodiorite
Igneous > Hypabyssal > Felsic-hypabyssalgranophyre
Igneous > Plutonic > Gabbroic > Gabbroleucogabbro
Comments Part of the Duluth Complex - felsic series. Part of the Keweenawan Supergroup and Midcontinent Rift Intrusive Supersuite.

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