Madison Limestone and Bighorn Dolomite (WYMO;0)

MADISON LIMESTONE AND BIGHORN DOLOMITE. MADISON LIMESTONE OR GROUP--Group includes Mission Canyon Limestone (blue-gray massive limestone and dolomite), underlain by Lodgepole Limestone (gray cherty limestone and dolomite). BIGHORN DOLOMITE--Light-gray massive siliceous dolomite.

State	Wyoming
Name	Madison Limestone and Bighorn Dolomite
Geologic age	Phanerozoic \| Paleozoic \| Ordovician-Middle Ordovician-Late(?) Silurian(?) Devonian(?) Carboniferous Mississippian-Early(?) Mississippian-Middle(?) Mississippian-Late
Original map label	MO
Comments	COMU box only shows Upper and Middle Silurian to Lower Devonian. Arrows extend age down through, up into Upper Mississippian
Primary rock type	limestone
Secondary rock type	dolostone (dolomite)
Other rock types
Lithologic constituents	Major Sedimentary > Carbonate > Limestone Minor Sedimentary > Carbonate > Dolostone
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	Johnson - Washakie