Layered metagabbro

Interlayered gabbro, mafic accumulates, gabbroic anorthosite and anorthosite (Cummings, 1984) in Eau Claire River (T. 27 N., R. 8 W.). Age uncertain, but interpreted as Archean (Sims, 1990).
State Wisconsin
Name Layered metagabbro
Geologic age Late Archean
Lithologic constituents
Major
Metamorphic > Metaigneous > Metaintrusive > MetagabbroInterlayered gabbro, mafic accumulates, gabbroic anorthosite and anorthosite (Cummings, 1984, The Eau Claire River complex - A metamorphosed Precambrian mafic intrusion in western Wisconsin: Geological Society of America Bulletin, v. 95, p. 75-86.)
Minor
Igneous > Plutonic > AnorthositeInterlayered gabbro, mafic accumulates, gabbroic anorthosite and anorthosite (Cummings, 1984, The Eau Claire River complex - A metamorphosed Precambrian mafic intrusion in western Wisconsin: Geological Society of America Bulletin, v. 95, p. 75-86.)
Comments Marshfield terrane
References
NGMDB product
Counties Eau Claire