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Elgin Mine, Wilbur Springs, Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Coast Ranges, Colusa Co., California, USA

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A former Hg-S mine located in the SE¼ sec. 13, T14N, R6W, and in sec. 18, T14N, R5W, MDM, 5.1 km (3.1 miles) WNW of Wilbur Springs, along the West Fork Sulphur Creek. Discovered about 1908. Produced in 1908-1909 & 1916. Owned by W. S. Norman. MRDS database stated accuracy for this location is 500 meters.

Mineralization is hosted in serpentinite and shale. The ore body form is a ledge. Controls for ore emplacement include a silicified zone in serpentine. Deposit occurs in an area of hot spring activity. Alteration is local and involves the opalization of serpentine. Local rocks include Jurassic marine rocks, unit 2 (Coast Ranges) and/or rocks of the Franciscan Complex, unit 1 (Coast Ranges).

Workings include unspecified surface and underground openings with a length of 152.4 meters.

Production data are found in: Bailey, E.H., USGS, personal files.

Production data: ^8 pounds (253 grams [?])/metric ton of ore. NOTE: Metric equivalent in grams is in error, should be over 3,600 grams. General grade of this deposit is low.

A couple of attempts were made at producing sulfur.

Mineral List

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


4 entries listed. 2 valid minerals.

Localities in this Region

USA
  • California
    • Colusa Co.
      • Coast Ranges
        • Sulphur Creek District (Sulfur Creek District; Wilbur Springs District)

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

Goodyear, Watson Andrews (1890), Alameda, Colusa, Contra Costa, Lake, Marin, Mendocino, Napa, Yolo Counties: California Mining Bureau. Report 10: 157-159.

Fairbanks, Harold W. (1894), Some remarkable hot springs and associated mineral deposits in Colusa County, California: Science: 23: 120-121.

Forstner, William (1903), The quicksilver resources of California: California Mining Bureau. Bulletin 27, 270 pp.

Bradley, W.W. (1918), Quicksilver resources of California, with a section on metallurgy and ore dressing: California Mining Bureau. Bulletin 78, 389 pp.

Bradley, W.W. (1928), California’s commercial nonmetallic minerals: Mining Congress Journal: 14: 678.

Logan, Clarence August (1929), Sierra County, Colusa County: California Mining Bureau. Report 25: 295-299.

Bradley, W.W. (1934), Thirtieth report of the State Mineralogist: California Mining Bureau. Report 30: 196.

Holmes, Jr., G.W. (1965), Mercury in California: in: U.S. Bureau of Mines Information Circular 8252.

White, D.E. (1967) Mercury and base-metal deposits with associated thermal and mineral waters. In: H.L. Barnes (Editor), Geochemistry of hydrothermal ore deposits. Holt Reinhart and Winston, New York: 591.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 355.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 52, 114 (map 3-8), 351.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10103811, 10114701 & 10187415.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060110019 & 0060110021.

Bailey, E.H., USGS, personal files.

 
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