State | Nebraska |
---|---|
Name | Greenhorn Limestone and Graneros Shale |
Geologic age | Late Cretaceous |
Lithologic constituents |
Major
Sedimentary > Clastic > Mudstone > Shale (Calcareous)
Sedimentary > Carbonate > Limestone (Bed)
Minor
Sedimentary > Clastic > Sandstone (Bed)
Sedimentary > Clastic > Siltstone (Bed)
Incidental
Sedimentary > Carbonate > Marlstone (Bed)
|
Comments | Colorado Group |
References | Burchett, R.R., 1986, Geologic Bedrock Map of Nebraska: Nebraska Geological Survey. Scale 1:1 million.Burchett, R.R., Dreeszen, V.H., Souders, V.L., and Prichard, G.E., 1988, Bedrock Geologic Map Showing the Bedrock Surface in the Nebraska Part of the Sioux City 1x2 Quad.: USGS Map I-1879. Scale 1:250 K.https://pubs.er.usgs.gov/publication/i1879 |
NGMDB product | |
Counties | Burt - Butler - Cedar - Clay - Colfax - Cuming - Dakota - Dawes - Dixon - Dodge - Fillmore - Jefferson - Lancaster - Nuckolls - Polk - Saline - Saunders - Seward - Thayer - Thurston - York |