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Richie Hill Mine, Calaveritas, Calaveritas District, East Belt, Calaveras Co., California, USA

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A former hydraulic placer Au occurrence/mine located in sec. 26, T4N, R12E, MDM. Property consisted of 40 acres. MRDS database stated accuracy for this location is 500 meters.

Mineralization is a placer Au deposit on the Fort Mountain channel. The gravel bank is 20 feet high, 200 feet long and exposes 1 to 18 inch slabs of quartz, schist, quartzite, and greenstone. Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).

Workings included hydraulic operations wherein the gravel was washed from the bank, along sloping floor of the cut and to sluices.

Mineral List

1 entry listed. 1 valid mineral.

The above list contains all mineral locality references listed on 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 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.


Logan, Clarence August and Franke, H. (1936), Mines and Mineral Resources of Calaveras Co.: California Division of Mines, California Journal of Mines & Geology, California Division of Mines (Report 32): 32(3): 362.

Clark, L.D. (1954), Geology and mineral deposits of the Calaveritas quadrangle, Calaveras County, California: California Division Mines Special Report 40: 21, Pls. 1 & 2.

Clark, Wm. B. & P.A. Lydon (1962), Mines and mineral resources of Calaveras County, California: California Division of Mines & Geology County Report 2; [… Geological Society of America Proceedings, 1933: 312-313, 1934]: 205, Pl. C.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10028882 & 10260362.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060090478.


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