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Georgetown, Georgetown District, East Segment Mother Lode, Mother Lode Belt, El Dorado Co., California, USA

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Latitude & Longitude (WGS84): 38° 54' 25'' North , 120° 50' 19'' West
Latitude & Longitude (decimal): 38.90694,-120.83861
GeoHash:G#: 9qfj66b12
Köppen climate type:Csa : Hot-summer Mediterranean climate


A populated place.


Mineral List

Mineral list contains entries from the region specified including sub-localities

24 valid minerals.

Regional Geology

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

Jurassic - Triassic
145 - 252.17 Ma



ID: 3189515
Mesozoic sedimentary and volcanic rocks

Age: Mesozoic (145 - 252.17 Ma)

Lithology: Mudstone-carbonate-sandstone-conglomerate

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. [154]

Late Jurassic - Triassic
145 - 252.17 Ma



ID: 2902371
Jurassic marine rocks, unit 1 (Western Sierra Nevada and Western Klamath Mountains)

Age: Mesozoic (145 - 252.17 Ma)

Stratigraphic Name: Agua Fria Formation; Colfax Formation; Cosumnes Formation; Galice Formation; Hunter Valley Cherts; Mariposa Formation; Merced Falls Slate; Salt Spring Slate; Jasper Point Formation

Description: Shale, sandstone, minor conglomerate, chert, slate, limestone; minor pyroclastic rocks

Comments: Western Klamath Mountains, western Sierra Nevada. Primarily slate and metamorphosed graywacke; minor siltstone, conglomerate, chert, and volcanic rocks. Mainly Late Jurassic in age, but also includes some Early Jurassic or older rocks

Lithology: Major:{slate,graywacke}, Minor:{siltstone,conglomerate}, Incidental:{chert, volcanic, basalt}

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. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


Localities in this Region
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This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
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