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Absaroka Volcanic Supergroup: Hominy Peak Formation

ABSAROKA VOLCANIC SUPERGROUP--HOMINY PEAK FORMATION (AGE ABOUT 49 Ma)--Mafic volcaniclastic conglomerate and tuff; sparse claystone in upper part; gold-bearing quartzite conglomerate at base.
StateWyoming
NameAbsaroka Volcanic Supergroup: Hominy Peak Formation
Geologic agePhanerozoic | Cenozoic | Tertiary | Eocene
Original map labelThp
Primary rock typemixed clastic/volcanic
Secondary rock typecoarse-grained mixed clastic
Other rock typesfine-grained mixed clastic
Lithologic constituents
Major
Igneous > Volcanic (Pyroclastic, tuff)
Sedimentary > Clastic > Conglomerate
Minor
Sedimentary > Clastic > Mudstone > Claystone
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 coverageTeton

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