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Snelling Gold Dredging Company Placer Mine, Snelling, Snelling District, Merced Co., California, USA

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Latitude & Longitude (WGS84): 37° 30' 54'' North , 120° 23' 51'' West
Latitude & Longitude (decimal): 37.51500,-120.39750


A former placer Au-PGE (Pt-Ru-Pd-Rh-Os-Ir) mine (dredge) located in sec. 3, T5S, R14E, MDM, 3.6 km (2.2 miles) E of Snelling, along the S side of the Merced River between river miles 50 & 51. First produced in 1932. MRDS database stated accuracy for this location is 1,000 meters. NOTE: This locality is evidenced on topo maps as a large shaded area of designated dredge tailings.

Minealization is a lacer Au-PGE deposit (Deposit Type: stream placer; Deposit model: 119: Placer Au-PGE), hosted in rocks of the Ingalls complex (gravel and conglomerate). Local rocks include Quaternary alluvium and marine deposits.

Workings presumably consisted of surface dredging operations.

Mineral List


2 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

Holocene - Pliocene
0 - 5.333 Ma
Quaternary alluvium and marine deposits

Age: Cenozoic (0 - 5.333 Ma)

Stratigraphic Name: Temescal Formation; Modesto Formation; Victor Formation; Alameda Formation; Aromas Red Sands; Bautista Beds; Brawley Formation; Borrego Formation; Burnt Canyon Breccia; Cabezon Fanglomerate; Campus Formation; Casitas Formation; Chemehuevi Formation; Corcoran Clay; Cushenbury Springs Formation; Dos Picachos Gravels; Dripping Springs Formation; Frazier Mountain Formation; Friant Formation; Harold Formation; Heights Fanglomerate; Hookton Formation (part); Huichica Formation; La Habra Formation; Manix Lake Beds; Mohawk Lake Beds; Montezuma Formation; Nadeau Gravel; Ocotillo Conglomerate; Orcutt Formation; Pacoima Formation; Pauba Formation; Peckham Formation; Pinto Formation; Resting Springs Formation; Riverbank Formation; Rohnerville Formation; San Dimas Formation; Shoemaker Gravel; Temecula Arkose; Battery Formation; Bay Point Formation; Colma Formation; Lindavista Formation; Lomita Marl; Merritt Sand; Millerton Formation; Palos Verdes Sand; San Pedro Formation; Sweitzer Formation; Timms Point Silt

Description: Alluvium, lake, playa, and terrace deposits; unconsolidated and semi-consolidated. Mostly nonmarine, but includes marine deposits near the coast.

Lithology: Major:{coarse alluvium}, Minor:{fine alluvium}

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



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.

References

Logan, Clarence August (1918), Platinum and allied metals in California: California Mining Bureau. Bulletin 85, 120 pp.: 33-34.

Mertie, J.B. (1969) Economic geology of the platinum metals. USGS Professional Paper 630, 120 pp.: 94, Table 40.

Clark, Wm. B. (1970a) Gold districts of California: California Division Mines & Geology Bulletin 193: 120-121.

Clark, Wm. B. (1970b) Platinum: California Division Mines and Geology Mineral Information Service: 23(6): 115-122:

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10261218.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060470044.

 
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