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Last Chance Mine, Deadwood, Deadwood District, Klamath Mts, Trinity Co., California, USA

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A former lode Au-Zn-As-Pb mine located in sec. 2, T33N, R8W, MDM (UTM estimated. Unsurveyed for township, range and section. Location projected), 2.9 km (9,400 feet) NNW of Deadwood, along the South Fork Eastman Gulch. MRDS database stated accuracy for this location is 1,000 meters.

Mineralization is hosted in slate.The ore body dips 60-80S at a thickness of 0.61 meters. Controls for ore emplacement included a fault. Local rocks include Paleozoic metavolcanic rocks, unit 1 (Eastern Klamath Mountains).

Workings include underground openings comprised of a 220 foot adit, 250 feet of drifts and 1 stope. Worked for pockets.

Production data are found in: Brown (1913).

No specific production record found but claimed production of $20,000 was made (period values).

Analytical results: High-grade ore was reported.

Mineral List



4 entries listed. 4 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

Brown, G. Chester (1913), The Counties of Shasta, Siskiyou and Trinity: California Journal of Mines and Geology (Report 14): 14(4): 894.

Ferguson, Henry G. (1914a), Gold lodes of the Weaverville quadrangle, California: USGS Bulletin 540: 70-71.

Averill, Charles V. (1941), Mineral resources of Trinity County: California Journal of Mines and Geology, California Division Mines (Report 37): 37(1): 82.

McCulloch, W.C., Oesterling, W.A., Spurck, W.H., & Tischler, M.S. (1964), Minerals for Industry, Northern California, Southern Pacific Company: Vol. II: 128.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10035910 & 10238303.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0061050457.

Mineral and/or Locality  
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