| State | Utah |
|---|---|
| Name | Salt Lake Formation and valley-filling alluvial, lacustrine and volcanic materials |
| Geologic age | Middle Miocene to Late Pliocene |
| Lithologic constituents |
Major
Sedimentary > Clastic > Mixed-clastic (Tuffaceous)
Unconsolidated (Alluvial)alluvial valley fill
Minor
Sedimentary > Carbonate
Igneous > Volcanic > Felsic-volcanic (Pyroclastic)
Incidental
Igneous > Volcanic > Mafic-volcanic (Flow)
|
| References | Hintze, L.F., 1980, Geologic map of Utah: Utah Geological and Mineral Survey, scale 1:500,000.Oaks, R.Q., Jr., Smith, K.A., Janecke, S.U., Perkins, M.E., and Nash, W.P., 1999, Stratigraphy and tectonics of Tertiary strata of southern Cache Valley, north-central Utah: Utah Geological Association Publication 27, p. 71-110. |
| NGMDB product | |
| Counties | Summit |