Jacobsville Sandstone

Red, brown, and white quartzose sandstone, and minor siltstone, shale and conglomerate
State Michigan
Name Jacobsville Sandstone
Geologic age Middle Proterozoic
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone (Bed)Red, brown, and white quartzose sandstone, and minor siltstone, shale and conglomerate
Minor
Sedimentary > Clastic > SiltstoneRed, brown, and white quartzose sandstone, and minor siltstone, shale and conglomerate
Sedimentary > Clastic > Mudstone > ShaleRed, brown, and white quartzose sandstone, and minor siltstone, shale and conglomerate
Sedimentary > Clastic > ConglomerateRed, brown, and white quartzose sandstone, and minor siltstone, shale and conglomerate
References
NGMDB product
Counties Alger - Baraga - Chippewa - Gogebic - Houghton - Keweenaw - Luce - Marquette - Ontonagon