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Dorleska Mine, Preachers Peak, Klamath Mts, Trinity Co., California, USA
Latitude: 41°3'29"N
Longitude: 122°54'30"W
Longitude: 122°54'30"W
Mineralization is hosted in lamprophyre, serpentinite, and schist. The ore body strikes N16E and dips 75W. Ore control was a fault zone. This deposit is an extension to the N of the same system of veins and lamprophyre dikes found in the Yellow Rose Mine. Local rocks include schist of various types and ages, unit 7 (Klamath Mountains).
Workings include underground openings. The old workings are caved. Some newer development work was done in the late 1930's with unknown results. There is a 350 foot deep shaft with 3 levels and a 50 foot deep winze, from the lowest of these it is said to extend 150 feet N and S into ore.
Production data are found in: MacDonald (1912).
Production statistics for 1926: $200,000 worth of Au (period values) was produced by 1926. No other production record was found.
Mineral List
| Galena Gold Heazlewoodite | Hessite Nagyágite Petzite | Pyrite Quartz 'Serpentine Group' | Sylvanite |
10 entries listed. 9 valid minerals.
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References
Hershey, Oscar H. (1899), The upper Coffee Creek mining district, California: Mining & Scientific Press: 79: 689.
Osborne, H.Z. (1903), The Dorleska gold mine: Mining and Scientific Press: 7: 252.
Stines, Norman S. (1907), The geology of the Coffee Creek mining district, California: Mining and Scientific Press: 95: 25-26.
MacDonald, Donald Francis (1913), Notes on the gold lodes of the Carrville district, Trinity County, California: USGS Bulletin 530D: 34.
Logan, Clarence August (1926), El Dorado, Shasta and Trinity Counties: California Journal of Mines and Geology, California Mining Bureau. (Report 22): 18.
Averill, Charles V. (1941), Mineral resources of Trinity and Humboldt Counties: California Journal of Mines and Geology, California Division Mines (Report 37): 37(1): 33.
Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged, 834pp.: 169.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 276, 286, 357.
Hotz, Preston Enslow, Thurber, H.K., Marks, L.Y., and Evans, R.K. (1972), Mineral resources of the Salmon-Trinity Alps Primitive Area, California: U.S. Geological Survey Bulletin 1371-B, 267 p.: 128-130.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 64, 109, 110.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10086643 & 10263136.
U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0061050775.
Osborne, H.Z. (1903), The Dorleska gold mine: Mining and Scientific Press: 7: 252.
Stines, Norman S. (1907), The geology of the Coffee Creek mining district, California: Mining and Scientific Press: 95: 25-26.
MacDonald, Donald Francis (1913), Notes on the gold lodes of the Carrville district, Trinity County, California: USGS Bulletin 530D: 34.
Logan, Clarence August (1926), El Dorado, Shasta and Trinity Counties: California Journal of Mines and Geology, California Mining Bureau. (Report 22): 18.
Averill, Charles V. (1941), Mineral resources of Trinity and Humboldt Counties: California Journal of Mines and Geology, California Division Mines (Report 37): 37(1): 33.
Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged, 834pp.: 169.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 276, 286, 357.
Hotz, Preston Enslow, Thurber, H.K., Marks, L.Y., and Evans, R.K. (1972), Mineral resources of the Salmon-Trinity Alps Primitive Area, California: U.S. Geological Survey Bulletin 1371-B, 267 p.: 128-130.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 64, 109, 110.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10086643 & 10263136.
U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0061050775.
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