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Bug Formation

BUG FORMATION (PLEISTOCENE OR PLIOCENE)--Lacustrine white marl, claystone, sandstone, conglomerate, and tuff; generally radioactive.
State Wyoming
Name Bug Formation
Geologic age Phanerozoic | Cenozoic | Tertiary Quaternary | Pliocene Pleistocene
Primary rock type fine-grained mixed clastic
Secondary rock type medium-grained mixed clastic
Other rock types mixed clastic/carbonate; mixed clastic/volcanic
Lithologic constituents
Minor
Unconsolidated > Marl (Lacustrine)
Sedimentary > Clastic > Mudstone > Claystone
Sedimentary > Clastic > Sandstone
Sedimentary > Clastic > Conglomerate
Igneous > Volcanic (Pyroclastic, tuff)
Map references
Love, J.D. and Christiansen, Ann Coe, 1985, Geologic Map of Wyoming: U.S. Geological Survey.
Unit references
Love, J.D. and Christiansen, Ann Coe, 1985, Geologic Map of Wyoming: U.S. Geological Survey.
Counties Natrona