Wagon Bed Formation (WYTwb;0)

WAGON BED FORMATION (AGE ABOUT 45 TO 49 Ma)--Southwest and central Wyoming--Green and gray tuffaceous claystone, sandstone, and conglomerate; some uranium-phosphate marlstone and variegated bentonitic claystone. Locally contains oil shale between Wind River and Bighorn Basins; Central Wyoming (west side of Laramie Mountains)--Dull-green siliceous bentonitic claystone and tuff; giant granite boulder conglomerate in tuffaceous matrix.

State	Wyoming
Name	Wagon Bed Formation
Geologic age	Phanerozoic \| Cenozoic \| Tertiary \| Eocene (45-49 Ma)
Original map label	Twb
Primary rock type	claystone
Secondary rock type	conglomerate
Other rock types	sandstone
Lithologic constituents	Major Sedimentary > Clastic > Mudstone > Claystone (Tuffaceous)bentonitic Minor Sedimentary > Clastic > Conglomerate (Tuffaceous) Sedimentary > Clastic > Sandstone (Tuffaceous) Incidental Sedimentary > Carbonate > Marlstoneuranium-phosphate bearing Sedimentary > Clastic > Mudstone > Shale > Oil-shale
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]
Geographic coverage	Albany - Carbon - Fremont - Hot Springs - Natrona - Washakie