| State | North Dakota |
|---|---|
| Name | Cannonball Formation |
| Geologic age | Paleocene |
| Lithologic constituents | Major
Sedimentary > Clastic > Mudstone > Shale (Bed)poorly consolidated
Sedimentary > Clastic > Sandstone (Bed)poorly consolidated
|
| Comments | Map unit descriptions mix unconsolidated and sedimentary terms; using sedimentary terms with poorly consolidated according to other sources. |
| 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.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. |
| NGMDB product | |
| Counties | Adams - Bottineau - Bowman - Burke - Burleigh - Divide - Grant - Kidder - McHenry - McLean - Mercer - Morton - Oliver - Renville - Rolette - Sheridan - Sioux - Ward - Wells |