Utica Shale

Utica Shale
State Michigan
Name Utica Shale
Geologic age Late Ordovician
Lithologic constituents
Sedimentary > Clastic > Mudstone > Shale > Black-shale (Bed)

Reed, Robert C., and Daniels, Jennifer (compilers), 1987, Bedrock geology of northern Michigan: Geological Survey Division, Michigan Dept. of Natural Resources, scale 1:500,000.

NGMDB product
Counties Alger - Chippewa - Delta - Luce - Schoolcraft