|Latitude & Longitude (WGS84):||40° 20' 12'' North , 118° 6' 30'' West|
|Latitude & Longitude (decimal):||40.33685,-118.10847|
|Locality type:||Group of Placers|
|Köppen climate type:||BWk : Cold desert climate|
|Other/historical names associated with this locality:||Spring Valley Mines|
Sec 36 T29N R34E
1 valid mineral.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
|Pleistocene - Pliocene|
0.0117 - 5.333 Ma
|Older alluvium and alluvial fan deposits|
Age: Cenozoic (0.0117 - 5.333 Ma)
Description: Unit consists mostly of older alluvium and alluvial fans. It also includes various stream deposits, gravel, fanglomerates, and older gravels. It is not very consistent in description from county to county. This is used in all counties except Clark.
Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. 
201.3 - 252.17 Ma
|Mesozoic sedimentary rocks|
Age: Triassic (201.3 - 252.17 Ma)
Lithology: Sedimentary rocks
Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529.