Green River Formation: Fontenelle Tongue or Member [NONE ON MAP] (WYTwg;0)

WASATCH AND GREEN RIVER FORMATIONS: New Fork Tongue (dull-red and green mudstone, brown sandstone, and thin limestone beds, merging southward in T. 23 N. with other units) of Wasatch and Fontenelle Tongue or Member (oil shale, marlstone, limestone, and siltstone; occurs along Green and New Fork Rivers and on west side of Green River Basin from T. 33 N. south to and lensing out in T. 17 N.) of Green River.

State	Wyoming
Name	Green River Formation: Fontenelle Tongue or Member [NONE ON MAP]
Geologic age	Phanerozoic \| Cenozoic \| Tertiary \| Eocene
Original map label	Twg
Primary rock type	fine-grained mixed clastic
Secondary rock type	mixed clastic/carbonate
Other rock types	oil shale
Lithologic constituents	Major Sedimentary > Clastic > Sandstone Sedimentary > Clastic > Mudstone Minor Sedimentary > Carbonate > Limestone Sedimentary > Carbonate > Marlstone Sedimentary > Clastic > Mudstone > Shale > Oil-shale Sedimentary > Carbonate > Limestone Sedimentary > Clastic > Mudstone Sedimentary > Clastic > Siltstone Sedimentary > Clastic > Sandstone
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 - Sublette