State | Colorado |
---|---|
Name | Laramie Fm and Fox Hills Sandstone |
Geologic age | Cretaceous |
Lithologic constituents | Major
Sedimentary > Clastic > Mudstone > Shale
Sedimentary > Clastic > Sandstone
Sedimentary > Clastic > Mudstone > Claystone
|
References | Tweto, Ogden, 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000. |
NGMDB product | |
Counties | Boulder - Broomfield - Douglas - El Paso - Jefferson - Park - Weld |