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Philadelphia Fluorspar deposit (Providence Mountain Mine; Providence Mountain Fluorspar deposit), Arrowhead Spring, Arrowhead District (Arrow District), Providence Mts (Sierra de Santa Coleta; Timpisagwagatsitci), San Bernardino Co., California, USA

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Latitude & Longitude (WGS84): 34° 51' 41'' North , 115° 35' 5'' West
Latitude & Longitude (decimal): 34.86142, -115.58473


A F(fluorspar) occurrence/prospect located in sec. 14, T9N, R13E, SBM, 2.1 km (1.3 miles) NE of Arrowhead Spring (coordinates of record), on private land within a federal reservation (Mojave National Preserve/East Mojave National Scenic Area). Discovered in 1870. First produced in 1889. MRDS database stated accuracy for this location is 100 meters.

NOTE: The USGS MRDS database seemingly has data from another locality in the Ord Mountain District con fused with this locality and contained in the cited MRDS file.

The ore body strikes N15W and dips 80W at a thickness of 6 meters, a width of 45.7 meters, and a length of 1.5 meters. The body is in a shear zone. The primary mode of origin was hydrothermal activity. Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).

Workings include unspecified surface and underground openings.

Mineral List


8 valid minerals.

The above list 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

Tucker, W. Burling (1921), Los Angeles field division: California Mining Bureau. Report 17: 343.

Crosby, James W. III & S.R. Hoffman (1951), Fluorspar in California: California Journal of Mines and Geology: 47: 633, 635, 637-638.

Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology: 49(1-2): tabulated list, 147.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 187.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 190.

U.S. Bureau of Mines Open File Report MLA 32-84 (1984): No. 53, Appendix A, Pl. 2.

California Division of Mines and Geology Open-File Report 88-3 (1988): No. 53, Pl. 2.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10213099.

U.S. Bureau of Mines (1995), Minerals Availability System/Mineral Industry Location System (MAS/MILS): file #0060710049.

 
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