Flagstaff Hill occurrences, Flagstaff Hill, Salmon Falls District (Flagstaff Hill area), El Dorado Co., California, USA
|Latitude & Longitude (WGS84):||38° 46' 4'' North , 121° 4' 58'' West|
|Latitude & Longitude (decimal):||38.76778,-121.08278|
|Köppen climate type:||Csa : Hot-summer Mediterranean climate|
Occurrences in the SE¼SE¼ sec. 27, T11N, R8E, MDM, at Flagstaff Hill, SE of Pilot Hill.
2 valid minerals.
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
|Early Jurassic - Neoproterozoic|
174.1 - 1000 Ma
|Ultramafic rocks, chiefly Mesozoic, unit 2 (Western Sierra Nevada and Klamath Mountains)|
Comments: Feather River peridotite, Kings River ophiolite, Kings-Kaweah ophiolite melange. Tectonized ultramafic complexes in western Sierra Nevada and western Klamath Mts., primarily of Ordovician to Early Jurassic age. Characterized in large part by serpentinite-matrix melanges containing blocks and slabs of ultramafic and other rocks
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.