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Mohawk Mine (Clark Station Mine; Pactolus Mine; Wilshire prospect), Mohawk Hill, Clark Mountain District (Clark District), Clark Mts (Clark Mountain Range), San Bernardino Co., California, USA

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Latitude & Longitude (WGS84): 35° 28' 43'' North , 115° 37' 4'' West
Latitude & Longitude (decimal): 35.4786, -115.61774

A former Pb-Cu-Au-Ag-Zn-Mn occurrence/mine complex located in secs. 7, 8, 17 & 18, T16N, R13E, SBM, on and around Mohawk Hill, just N of Interstate highway 15 (24 miles N of Cima). MRDS database stated accuracy for this location is 100 meters.

NOTE: This mine has been placed off limits and posted against trespass in both English and Spanish. Both roads leading to the mine adits are chained and padlocked with carbide-shackled locks (as of February 3, 2010).

Mineralization is hosted in limestone. The ore body is irregular in form, strikes N40W and dips vertical at a thickness of 9.14 meters. Controls for ore emplacement included fractures crossing the contact zones. A series of parallel fissures lie near an irregular contact between limestone and quartz monzonite. The strike is generally eastward, and the dip is about 40 degree southward. The ore is soft, earthy and associated with soft Fe and Mn oxides. Associated rocks include quartz monzonite. Local rocks include Devonian marine rocks, unit 1 (Death Valley) and/or Quaternary alluvium and marine deposits.

Workings include underground openings comprised of 3 tunnels (adits) at different levels driven northward into Mohawk Hill. The workings include winzes, raises, adits, drifts and stopes, totaling over 2,500 feet.

Production statistics: Year: 1951: ore (estimate): ^12% Pb, 4.92 ounces Ag, 0.50% Cu, and minor Au. Recovery percentage: 1 weight percent Pb (139 grams/metric ton).

Recorded production 1918 to 1952, intermittent. Ratio of Pb:Zn, about 2:1. During early years of production operators reported the average grade to be 10% Pb, 3% Zn and 7-8 ounces Ag/ton.

Mineral List

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

58 valid minerals.

Localities in this Region


The above list contains all mineral locality references listed on 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 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.


Tucker, W. Burling & Reid J. Sampson (1943b), Mineral resources of San Bernardino County: California Division Mines Report 39: 484, 485.

Wiebelt, F.J. (1949a), Investigation of the Mohawk lead-zinc mine, San Bernardino County, California: US Bureau Mines Report of Investigation 4478.

Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology: 49: 49-192: 109-111.

Hewett, Donnel Foster (1956) Geology and mineral resources of the Ivanpah quadrangle, California and Nevada, USGS Professional Paper 275, 172 pp.: 145-146.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 59, 172.

Mineralogical Record (1977): 8: 432.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 85, 104, 168, 227, 229, 230, 233, 277, 302, 303, 321, 323.

California Division of Mines and Geology Open File Report 84-2 (1984): No. 19, Plates 5 & 6.

U.S. Bureau of Mines (1990), Mineral Investigation of the East Mojave National Scenic Area, San Bernardino County, California: Table 2: No. 95-96: p. 74; No. 107: p. 76.

Wise, William S. (1990), The Mineralogy of the Mohawk Mine San Bernardino County, California, San Bernardino County Museum Association, Quarterly Vol 37(1), February, 1990.

Mineralien-Welt (1993): 1/93: 44.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10034068 & 10213076.

U.S. Bureau of Mines, Minerals Availability System (MAS) file #0060710264.

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