Skip to main content

White River Formation--Chadron Member

WHITE RIVER FORMATION Chadron Member--Light-gray to dark-red tuffaceous claystone, sandstone, and lenticular conglomerate.
State Wyoming
Name White River Formation--Chadron Member
Geologic age Phanerozoic | Cenozoic | Tertiary | Oligocene
Primary rock type fine-grained mixed clastic
Secondary rock type medium-grained mixed clastic
Other rock types mixed clastic/volcanic
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Claystone (Tuffaceous)
Sedimentary > Clastic > Sandstone
Sedimentary > Clastic > Conglomerate (Lense)
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 Goshen