White River Formation--Chadron Member (WYTwrc;0)

Mineral Resources On-Line Spatial Data

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. [http://pubs.er.usgs.gov/publication/ofr83802]
Unit references	Love, J.D. and Christiansen, Ann Coe, 1985, Geologic Map of Wyoming: U.S. Geological Survey. [http://pubs.er.usgs.gov/publication/ofr83802]
Counties	Goshen