Peavy Pond complex

Chiefly hornblende metagabbro, but includes metanorite, metatonalite, granodiorite, and granite (Bayley, 1959).
State Michigan
Name Peavy Pond complex
Geologic age Early Proterozoic
Lithologic constituents
Major
Metamorphic > Metaigneous > Metaintrusive > MetagabbroChiefly hornblende metagabbro, but includes metanorite.
Minor
Igneous > Plutonic > Granitic > Granodiorite
Igneous > Plutonic > Granitic > Granite
Metamorphic > Metaigneous > Metaintrusive > Metatonalite
Comments Continental margin assemblage (north of Niagara Fault). This unit is labeled "Xpc" on paper map of Sims (1992); description used here is taken from description for unit "Xpc" on paper map. Reference: Bayley, R.W., 1959, Geology of the Lake Mary quadrangle, Iron County, Michigan: U.S. Geological Survey Bulletin 1077, 112 p.
References
NGMDB product
Counties Iron