Moenkopi and Thaynes Formations

Moenkopi (in Blue Mountain) and Thaynes (north of Confusion Range) Formations.
State Utah
Name Moenkopi and Thaynes Formations
Geologic age Early Triassic
Lithologic constituents
Major
Sedimentary > Clastic > Siltstone (Bed)
Sedimentary > Carbonate > Limestone (Bed)
Comments in this area, Triassic rocks rare: eroded or not deposited. Eroded from ranges uplifted during Sevier. Marine and tidal flat
References

Hintze, L.F., 1980, Geologic map of Utah: Utah Geological and Mineral Survey, scale 1:500,000.

Hintze, L.F., 1988, Geologic History of Utah: Brigham Young University Geology Studies Special Publication 7, 202 p.

NGMDB product
Counties Beaver - Box Elder - Millard