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Bug Formation

BUG FORMATION (PLEISTOCENE OR PLIOCENE)--Lacustrine white marl, claystone, sandstone, conglomerate, and tuff; generally radioactive.
StateWyoming
NameBug Formation
Geologic agePhanerozoic | Cenozoic | Tertiary Quaternary | Pliocene Pleistocene
Original map labelQTb
Primary rock typefine-grained mixed clastic
Secondary rock typemedium-grained mixed clastic
Other rock typesmixed clastic/carbonate; mixed clastic/volcanic
Lithologic constituents
Minor
Igneous > Volcanic (Pyroclastic, tuff)
Sedimentary > Clastic > Conglomerate
Sedimentary > Clastic > Sandstone
Sedimentary > Clastic > Mudstone > Claystone
Unconsolidated > Marl (Lacustrine)
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.
Geographic coverageNatrona

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