Siltstone, shale, sandstone, and limestone; Jurassic Cordilleran retroarc-foreland-basin deposits (subunits are Jl and Ju); southeastern Idaho (IDJ;0)

State	Idaho
Name	Siltstone, shale, sandstone, and limestone; Jurassic Cordilleran retroarc-foreland-basin deposits (subunits are Jl and Ju); southeastern Idaho
Geologic age	Jurassic
Original map label	J
Comments	Morrison Fm: siltstone, mudstone, shale, thin limestone interbeds, local sandstone; Swift Fm is only Fm of Ellis Gp exposed in map area: sandstone (calcareous, chert-bearing), shale and claystone in lower part
Primary rock type	siltstone
Secondary rock type	shale
Other rock types	sandstone; limestone
Lithologic constituents	Major Sedimentary > Clastic > Mudstone > Shale (Bed)mudstone to shale Sedimentary > Clastic > Siltstone (Bed)major in Morrison Fm Minor Sedimentary > Clastic > Sandstone (Bed)calcareous, chert-bearing Incidental Sedimentary > Carbonate > Limestone (Bed)thin freshwater limestone interbeds
Map references	Bond, J.G., Kauffman, J.D., Miller, D.A., and Venkatakrishnan, Ramesh, 1978, Geologic map of Idaho: Moscow, Idaho, Idaho Bureau of Mines and Geology, with contributions from U.S. Geological Survey, scale 1:500,000.
Unit references	Bond, J.G., Kauffman, J.D., Miller, D.A., and Venkatakrishnan, Ramesh, 1978, Geologic map of Idaho: Moscow, Idaho, Idaho Bureau of Mines and Geology, with contributions from U.S. Geological Survey, scale 1:500,000. O'Neill, J.M, and Christiansen, R.L., 2002, Geologic map of the Hebgen Lake quadrangle, Beaverhead, Madison, and Gallatin Counties, Montana, Park and Teton Counties, Wyoming, and Clark and Fremont Counties, Idaho: U.S. Geological survey Open-File Report 02-464, 1:100,000 scale with pamphlet, 20 p.
Geographic coverage	Bear Lake - Bonneville - Clark - Madison - Teton