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Mineral Resources On-Line Spatial Data

White River Formation

WHITE RIVER FORMATION (AGE 31 TO 35 Ma)--White to pale-pink blocky tuffaceous claystone and lenticular arkosic conglomerate.
StateWyoming
NameWhite River Formation
Geologic agePhanerozoic | Cenozoic | Tertiary | Oligocene (31-35 Ma)
Original map labelTwr
CommentsWhite River is also included in Tmo
Primary rock typefine-grained mixed clastic
Secondary rock typemedium-grained mixed clastic
Other rock typesmixed clastic/volcanic
Lithologic constituents
Major
Sedimentary > Clastic > Conglomerate
Sedimentary > Clastic > Mudstone > Claystone (Tuffaceous)
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 coverageAlbany - Big Horn - Campbell - Carbon - Converse - Crook - Fremont - Goshen - Johnson - Laramie - Natrona - Niobrara - Platte - Sheridan - Sweetwater - Washakie

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URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=WYTwr;0
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