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Ribbonwood Tungsten Inc. Mine (Santa Rosa Mountains), Santa Rosa Mountain, Santa Rosa Mountain District (Santa Rosa Mountain area), Santa Rosa Mts, Riverside Co., California, USA

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Latitude & Longitude (WGS84): 33° 31' 57'' North , 116° 26' 34'' West
Latitude & Longitude (decimal): 33.5325012207, -116.443054199

A former W occurrence/mine located in the SW¼NE¼SW¼ sec. 26, T7S, R5E, SBM, 1.8 km (1.1 miles) ESE of Santa Rosa Mountain (coordinates of record) (18 miles S of Palm Springs), on National Forest land. MRDS database stated accuracy for this location is 100 meters.

Mineralization is hosted in granite. The ore body is lenticular, strikes EN50E and dips steeply W. The area is granitic with a few very narrow mica schist beds. Local rocks include Mesozoic granitic rocks, unit 2 (Peninsular Ranges).

Workings include underground openings comprised of a 40 foot tunnel on top of the mountain and an open cut at the 4,600 foot level. The cut is 10 feet by 5 feet and 8 feet deep.

S few tons were shipped to the Parker stockpile. The shipment from the open cut was reported to run 2% WO3. No production figures are available.

Mineral List

1 valid mineral.

Rock Types Recorded

Entries shown in red are rocks recorded for this region.

Note: this is a very new system on and data is currently VERY limited. Please bear with us while we work towards adding this information!

This page 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.


Sampson, Reid J. & W. Burling Tucker (1945), Mineral resources of Riverside County: California Journal of Mines and Geology, California Division of Mines and Geology (Report 41): 41(3): Pl. 35, No. 165.

California Division of Mines and Geology Open-File Report 77-14 (1977): tabulated list, p. 355.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10035347 & 10116017.

U.S. Bureau of Mines Minerals Availability System/Mineral Industry Location System (MAS/MILS): file #0060650154.

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