Mowry and Thermopolis Shales (WYKmt;0)

MOWRY (Kmr) AND THERMOPOLIS SHALES. MOWRY SHALE (AGE 94 TO 98 Ma)--Silvery-gray hard siliceous shale containing abundant fish scales and bentonite beds. THERMOPOLIS SHALE--Black soft fissile shale; Muddy Sandstone Member at top.

State	Wyoming
Name	Mowry and Thermopolis Shales
Geologic age	Phanerozoic \| Mesozoic \| Cretaceous-Early
Original map label	Kmt
Primary rock type	shale
Secondary rock type	sandstone
Other rock types	mixed clastic/volcanic
Lithologic constituents	Major Sedimentary > Clastic > Mudstone > Shale Minor Sedimentary > Clastic > Sandstone Incidental Sedimentary > Clastic > Mudstone > Claystone > Bentonite
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 - Big Horn - Carbon - Converse - Fremont - Hot Springs - Johnson - Natrona - Park - Platte - Sheridan - Sublette - Teton - Washakie