White River Formation--Brule Member (WYTwrb;0)

Mineral Resources On-Line Spatial Data

White River Formation--Brule Member

WHITE RIVER FORMATION Brule Member--Pale-pink to white blocky tuffaceous claystone and lenticular sandstone. Locally includes the Upper Conglomerate Member (Twru).

State	Wyoming
Name	White River Formation--Brule 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 (Lense) Minor Sedimentary > Clastic > Conglomerate
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 - Laramie - Platte