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Oronto Group; Freda Sandstone; Conglomerate member

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Oronto Group; Freda Sandstone; Conglomerate member
State Michigan
Name Oronto Group; Freda Sandstone; Conglomerate member
Geologic age Middle Proterozoic
Lithologic constituents
Major
Sedimentary > Clastic > Conglomerate (Bed)
References

Cannon, W.F., Kress, T.H., Sutphin, D.M., Morey, G.B., Meints, Joyce, and Barber-Delach, Robert, 1997, Digital Geologic Map and mineral deposits of the Lake Superior Region, Minnesota, Wisconsin, Michigan: USGS Open-File Report 97-455 (version 3, Nov. 1999).

https://pubs.er.usgs.gov/publication/ofr97455
NGMDB product
Counties Gogebic