State | Wyoming |
---|---|
Name | Fowkes Formation |
Geologic age | Eocene |
Lithologic constituents |
Major
Sedimentary > Clastic > Sandstone (Tuffaceous)
Sedimentary > Clastic > Siltstone (Tuffaceous)
Minor
Igneous > Volcanic (Pyroclastic-tuff)
Sedimentary > Clastic > Conglomerate (Tuffaceous)
|
Comments | Upper part may be as young as Pliocene, according to COMU unit description. COMU box stops with a ? at Eocene/Oligocene boundary. |
References | |
NGMDB product | |
Counties | Lincoln - Uinta |