|Name||Bullion Creek Formation|
Sedimentary > Clastic > Siltstone (Bed)poorly consolidated
Sedimentary > Clastic > Mudstone > Claystone (Bed)poorly consolidated
Sedimentary > Clastic > Sandstone (Bed)poorly consolidated
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Coal > Lignite (Bed)ND003 - occurs as micritic lenses from 60-200 cm thick and extending up to a few meters laterally; most common is uppermost part of Bullion Creek.
|Comments||Map unit descriptions mix unconsolidated and sedimentary terms; using sedimentary terms with poorly consolidated according to other sources.|
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.
Clausen, E. N., and Kihm, A. J., eds., 1986, Tertiary and Upper Cretaceous of south-central and western North Dakota Field Trip Guidebook, North Dakota Geological Society.
|Counties||Adams - Billings - Bowman - Burke - Burleigh - Divide - Dunn - Golden Valley - Grant - Hettinger - McHenry - McKenzie - McLean - Mercer - Morton - Mountrail - Oliver - Renville - Slope - Stark - Ward - Williams|