Inyan Kara

Light-gray, fine to coarse sandstone and gray shale; river, lake, and nearshore marine sediment; as thick as 135 metres (450 feet).
State North Dakota
Name Inyan Kara
Geologic age Lower Cretaceous
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale (Bed)river, lake, and nearshore marine sediment
Sedimentary > Clastic > Sandstone (Bed)river, lake, and nearshore marine sediment
References

North Dakota Geological Survey, 2001, Geologic Bedrock Map of North Dakota based on Bluemle, John P., 1983, Geologic and Topographic Bedrock Map of North Dakota, NDGS Miscellaneous Map 25, 1:670,000 scale.

NGMDB product
Counties Cass - Grand Forks - Pembina - Richland - Traill - Walsh