Anorthosite, gabbroic anorthosite, and anorthositic gabbro of the Mentor mafic intrusive complex in Polk County (MNAgb;0)

State	Minnesota
Name	Anorthosite, gabbroic anorthosite, and anorthositic gabbro of the Mentor mafic intrusive complex in Polk County
Geologic age	Late Archean
Original map label	Agb
Primary rock type	anorthosite
Secondary rock type	gabbro
Other rock types
Lithologic constituents	Major Igneous > Plutonic > Anorthosite Igneous > Plutonic > Gabbroic > Gabbro
Map references	Morey, G.B., and Meints, Joyce, 2000, Geologic map of Minnesota - Bedrock Geology: Minnesota Geological Survey, State Map Series, S-20, 3rd edition, scale 1:1,000,000. available online at: http://www.geo.umn.edu/mgs/currentpubs.htm [http://www.geo.umn.edu/mgs/currentpubs.htm]
Unit references	Morey, G.B., and Meints, Joyce, 2000, Geologic map of Minnesota - Bedrock Geology: Minnesota Geological Survey, State Map Series, S-20, 3rd edition, scale 1:1,000,000. available online at: http://www.geo.umn.edu/mgs/currentpubs.htm [http://www.geo.umn.edu/mgs/currentpubs.htm]
Geographic coverage	Norman - Polk