State | North Dakota |
---|---|
Name | Ludlow Formation |
Geologic age | Paleocene |
Lithologic constituents |
Major
Sedimentary > Clastic > Siltstone (Bed)poorly consolidated
Sedimentary > Clastic > Sandstone (Bed)poorly consolidated
Sedimentary > Clastic > Mudstone > Claystone (Bed)poorly consolidated
Incidental
Sedimentary > Coal > Lignite (Bed)
|
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.USGS Geologic Names lexicon found at: http://ngmdb.usgs.gov/Geolex/https://ngmdb.usgs.gov/Geolex/search |
NGMDB product | |
Counties | Adams - Bowman - Golden Valley - Slope |