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Felden deposit (Feldon deposit; Felden & Holloway prospect), Banner, Banner District, San Diego Co., California, USA

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A former, very small W mine located in the SE¼ Sec 26, T13S, R5E, SBM, in the Anza-Borrego Desert State Park about 7.9 miles SE of Banner on the crest of the ridge S of the Box Canyon. Discovered by H. L. Jackson of Brawley and E. H. Johnson of San Diego in 1941. It was leased by Frank Felden in the 1950’s.

The adit is located at N 33.0058861 W 116.4331055, elev. 2,960 feet and the trench with the dump in a distance of 1,480 feet at N33.009147 W116.435687, at an elevation of 3,080 feet.

The deposit consists of tactite interlayered with quartzite and quartz-biotite schist. Tactite averaged about 1% WO3. The garnet found was of brownish color.

Workings include surface and underground openings comprised of a 50 foot trench, several shallow pits and 1 short inclined shaft. In 2013 the shaft was still accessible and a small dump was visible.

Production was negligible.

Mineral List

6 entries listed. 3 valid minerals.

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Tucker, W. B. (1941): California Division of Mines and Geology, unpublished notes, about 1941.

Kerr, P. F. (1946): Tungsten mineralization in the United States: Geological Society of America, Memoires 1946, 15. p.165.

DMA Docket (1955): No 3803, Felden & Holloway Prospect.

Lemmon, Dwight Moulton and Tweto, O.L. (1962) Tungsten in the United States, exclusive of Alaska and Hawaii. USGS Mineral Investigative Resources Map MR-25.

Lemmon, D.M., Tungsten deposits in the US; Vol. I, unpublished data.

Weber, H. F. Jr. (1963): Geology and Mineral Resources of San Diego County, California, County Report 3. California Division of Mines and Geology, San Francisco. p. 277.

Rowland, R. W. (1972): San Diego County’s Tungsten Boom – 1951 to 1956. In: Environment Southwest, San Diego Natural History Museum, 1972.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10262418 (D000980).

Mineral Availability System (MAS/MILS ID) database file #0060730452.

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