Triassic (2) sedimentary rocks in southwestern Utah (UTTR2;8)

State	Utah
Name	Triassic (2) sedimentary rocks in southwestern Utah
Geologic age	Late Triassic
Original map label	Tr2
Comments	continental, interior basin. Shinarump member coincides with the initiation of the Andean-type margin
Primary rock type	mudstone
Secondary rock type	conglomerate
Other rock types	siltstone
Lithologic constituents	Major Sedimentary > Clastic > Mudstone (Bed)contains petrified wood, tuffaceous material from west (bentonitic mudstone) Minor Sedimentary > Clastic > Conglomerate (Bed)Shinarump Conglomerate Member at base; major for that member Incidental Sedimentary > Clastic > Mixed-clastic (Bed)
Map references	Hintze, L.F., 1980, Geologic map of Utah: Utah Geological and Mineral Survey, scale 1:500,000.
Unit references	Hintze, L.F., 1980, Geologic map of Utah: Utah Geological and Mineral Survey, scale 1:500,000. Biek, R.G., Willis, G.C., Hylland, M.D., and Doelling, H.H., 2000, Geology of Zion National Park, Utah, in Sprinkel, D.A., Chidsey, Jr., T.C., and Anderson, P.B., Geology of Utah's Parks and Monuments: Utah Geological Association Publication 28, p. 107-138.`
Geographic coverage	Iron - Kane - Millard - Washington