Wayan and Smiths Formations (WYKws;0)

WAYAN AND SMITHS FORMATIONS. WAYAN FORMATION--Variegated mudstone, siltstone, and sandstone. SMITHS FORMATION--Ferruginous black shale and tan to brown sandstone.

State	Wyoming
Name	Wayan and Smiths Formations
Geologic age	Phanerozoic \| Mesozoic \| Cretaceous-Early
Original map label	Kws
Primary rock type	mudstone
Secondary rock type	sandstone
Other rock types
Lithologic constituents	Minor Sedimentary > Clastic > Mudstone > Shale Sedimentary > Clastic > Sandstone Sedimentary > Clastic > Siltstone Sedimentary > Clastic > Mudstone
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	Lincoln