Bug Formation

Lacustrine white marl, claystone, sandstone, conglomerate, and tuff; generally radioactive.
State Wyoming
Name Bug Formation
Geologic age Pliocene-Pleistocene
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Claystone
Unconsolidated > Marl (Lacustrine)
Sedimentary > Clastic > Sandstone
Minor
Sedimentary > Clastic > Conglomerate
Igneous > Volcanic > Felsic-volcanic (Pyroclastic-tuff)
References
NGMDB product
Counties Natrona