Gypsum Spring Formation and Nugget Sandstone (WYJTRgn;0)

Gypsum Spring Formation and Nugget Sandstone

Gypsum Spring Formation - Interbedded red shale, dolomite, and gypsum. In north Wyoming wedges out south in T. 39 N. Nugget Sandstone (JTRn) - gray to dull-red, crossbedded quartz sandstone.

State	Wyoming
Name	Gypsum Spring Formation and Nugget Sandstone
Geologic age	Lower Triassic-Upper Jurassic
Lithologic constituents	Major Sedimentary > Carbonate > Dolostone Sedimentary > Clastic > Sandstone Sedimentary > Clastic > Mudstone > Shale Incidental Sedimentary > Chemical > Evaporite > Gypsum
References	Love, J.D. and Christiansen, A.C., 1985, Geologic Map of Wyoming: U.S. Geological Survey, scale 1:500,000. https://pubs.er.usgs.gov/publication/70046739
NGMDB product	NGMDB product page for 16366
Counties	Fremont

Gypsum Spring Formation and Nugget Sandstone

Love, J.D. and Christiansen, A.C., 1985, Geologic Map of Wyoming: U.S. Geological Survey, scale 1:500,000.