Pilliken Mine (Pillikan Mine; Pilliken Chrome Mine; Flagstaff Hills; Pilikin area 1-4), Salmon Falls, Pilliken, Flagstaff Hill area, El Dorado Co., California, USA

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A former Cr-Ni mine located in secs. 21 & 28, T11N, R8E, MDM in the Flagstaff Hill chrome area.

Mineralization is hosted in ultramafic intrusive rock.

References

Averill, Charles V. (1942), Chromium: California Division Mines Report 38: 90.

Cater, F.W., Jr., G.A. Rynearson & D.H. Dow (1951), Chromite deposits of El Dorado County, California: California Division Mines Bulletin 134, part III, Chapter 4: 134.

Carlson, D.W. (1953), Pilliken Mine. Preliminary Report No. 8 (April, 1953), El Dorado County.

Clark, Wm. B. & D.W. Carlson (1956), Mines and mineral resources of El Dorado County, California: California Journal of Mines and Geology: 52(4): 387, 438.

Clark, L.D. (1964), Stratigraphy and Structure of Part of the Western Metamorphic Belt, California, USGS Professional Paper 410.

Lindgren, Waldemar Turner (1914)(reprint 1984), USGS Geological Atlas, Placerville, Sacramento, and Jackson Folio reprints (Nos. 3, 5, and 11): 4.

McMillan, W.D. ( ), Preliminary Report on U.S. Chrome Mines, Pilliken Chrome District, El Dorado County; U.S. Bureau of Mines Preliminary Report, 13 pp. (August).

Wells, F.G., Page, L.R., and James, H.L. (1940), Chromite deposits of the Pilliken area, El Dorado County, California: USGS Bulletin 922-O: 417-460.

Stevens, Rollin Elbert (1944) Composition of some chromites of the western hemisphere. American Mineralogist: 29: 7.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 136, 193, 197.

Wetzel, N., Nokleberg, W. (1976), Plate Tectonic and Structural Relations for the Origin and the Deformation of the Western Metamorphic Belt along the Margin of the Central Sierra Nevada Batholith, Geological Society of America abstract, 72nd Annual Meeting: 8(3)(February).

Wetzel, N., Gale, G. (1980), The Pilliken Chromite Deposit El Dorado County, California, U.S. Bureau of Mines MAS Deposit Report, unpublished, June, 1980.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 153 (map 4-4), 155, 156 (map 4-7), 203, 422, 434, 495.

Mineral List

Mineral list contains entries from the region specified including sub-localities

'Chlorite Group' Chromite Clinochlore var: Chromian Clinochlore 'Diallage'

Enstatite 'Garnierite' Magnesiochromite Magnesite

Népouite 'Olivine' Opal 'Serpentine Group'

Talc Uvarovite

16 entries listed. 8 valid minerals.

Localities in this Region

USA California El Dorado Co. Flagstaff Hill Area Pilliken Salmon Falls Pilliken Mine (Pillikan Mine; Pilliken Chrome Mine; Flagstaff Hills; Pilikin area 1-4) Pillikin Mine Area 1 (East Basin) Pillikin Mine Area 2 (Bonanza King Mine) Pillikin Mine Area 3 (West Basin) Pillikin Mine Area 4 (Chrome Gulch)