Cratonal Sequence - Marine siltstone, limestone, and conglomerate (NVTRmt;0)

Cratonal Sequence - Marine siltstone, limestone, and conglomerate

Unit consists of marine deposits of siltstone, sandstone, claystone, mudstone, limestone, and conglomerate (Stewart and Carlson, 1978). It includes rocks assigned to the Moenkopi and Thaynes Formations and related unnamed rocks in northern Nevada (Stewart, 1980). It crops out in the eastern part of the State in Elko, White Pine, Lincoln, and Clark Counties.

State	Nevada
Name	Cratonal Sequence - Marine siltstone, limestone, and conglomerate
Geologic age	Middle (?) and Lower Triassic
Lithologic constituents	Major Sedimentary > Clastic > Siltstone (Bed) Sedimentary > Clastic > Conglomerate (Bed) Sedimentary > Carbonate > Limestone (Bed) Minor Sedimentary > Clastic > Mudstone > Claystone (Bed) Sedimentary > Clastic > Sandstone (Bed) Sedimentary > Clastic > Mudstone (Bed)
References	Crafford, A.E.J., 2007, Geologic Map of Nevada: U.S. Geological Survey Data Series 249, 1 CD-ROM, 46 p., 1 plate; Scale 1:250,000. Extended unit descriptions taken from pamphlet that accompanies geologic data/map. https://pubs.er.usgs.gov/publication/ds249
NGMDB product	NGMDB product page for 81584
Counties	Clark - Elko - Lincoln - White Pine

Cratonal Sequence - Marine siltstone, limestone, and conglomerate

Crafford, A.E.J., 2007, Geologic Map of Nevada: U.S. Geological Survey Data Series 249, 1 CD-ROM, 46 p., 1 plate; Scale 1:250,000. Extended unit descriptions taken from pamphlet that accompanies geologic data/map.