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Cactus Gold Mine (Blue Eagle Mine; Middle Buttes Mine; Cactus Mine; Cactus Queen Mine; Shumake deposit; Shumake Mine), Middle Buttes deposit (Cactus deposit), Middle Butte, Rosamond, Mojave-Rosamond District (Mojave District), Kern Co., California, USA

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Latitude & Longitude (WGS84): 34° 57' 28'' North , 118° 17' 12'' West
Latitude & Longitude (decimal): 34.9577777778, -118.286666667
Other regions containing this locality:North America

A former Au-Ag-Cu-Pb mine and plant located in the SW¼ & NW¼ sec. 17, T10N, R13W, SBM, on a SW knob of Middle Butte, on private land (located claim). MRDS database stated accuracy for this location is 100 meters.

There has been a series of owners and operators: Owner: Summo Minerals Corp. (100%), Colorado (1997- ); owner: Hecla Mining Company (75%), California (-1997); owner: Dakota Mining Corp. (25%, Colorado (-1997); operator: Cactus Gold Mines Inc. (Owned (85%) By Hecla), California (1996); owner: Compass Mining Inc. (25%) (1990); owner-operator: Coca Mines Inc. (74%), Colorado (1990); owner: W. J. Carey (1%), California (1990); owner-operator: Cactus Gold Mines Company (100%), California (1990). As of 1994: Hecla had a 064% interest in Cactus Gold Mines Co. Cactus Gold Mines is owned by Middle Buttes Partners Limited (MBPL), & 25% by Compass Mining, Inc. MBPL is a limited partnership in which the company (MBPL) is the sole general partner (53%) & a limited partner (11%). As of January, 1997, Hecla and Dakota signed agreements to sell their interst in them mine to Summo.

Local rocks include Tertiary intrusive rocks (hypabyssal), unit 7 (Northern Mojave Desert).

Workings include surface and underground openings. A leach plant operates on the property (ended circa 1995).

Production statistics:

Year: 1989 - 2,106,800 metric tons of ore treated; heap leach Au production was 59,493 ounces Au/year.
Year: 1991 - Ag production was 217,014 Troy ounces/year; Au production was 53,912 Troy ounces/year from 2,129,724 metric tons of ore.
Year: 1992 - Ag production was 138,394 Troy ounces/year; Au production was 36,283 Troy ounces/year from 318,414 metric tons of ore.
Year: 1993 - Ag production was 32,220 Troy ounces/year; Au production was 9,755 Troy ounces/year (no ore produced this year - depletede).
Year: 1994 - Ag production was 26,074 Troy ounces/year; Au production was 10,147 Troy ounces/year.
Year: 1995 - Ag production was 2,324 Troy ounces/year; Au production was 5,295 Troy ounces/year.
Mining stopped in 1992. Heap leach Au/Ag recovery was expected to sontinue through 1995 and end sometime in 1996.

Reserve-Resource data are found in: Hecla Mining Company (1995), Form 10-K Report: 27.

The most recent reserve data were: Type: in-situ (estimated year = 1996): demonstrated reserves: 212,408 metric tons ore; total resources: 212,408 metric tons ore. Au at 1.37 grams/metric ton.

Mineral List

27 valid minerals.

This page 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, & Gordon Blaisdell Oakeshott (1949), Mineral resources of Kern County, California: California Journal of Mines and Geology: 45: 216.

Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 44, 49, 99, 103-104, 109, 126.

Southern Pacific Co. (1964b), Minerals for Industry, Vol. III - Southern California: 42, 53.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 85, 124, 205, 233, 292, 296, 339.

Clark, Wm. B. (1970a) Gold districts of California: California Division Mines & Geology Bulletin 193.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 19, 23, 46, 74, 84, 89, 99, 107, 108, 264, 276, 302, 303, 437.

Skillings, Jr., David N. (1989), COCA Opens Shumake Mine and Plant for Production at Cactus Gold Mines, Skilling Mining Review: 78(4): 4-8.

Blaske, A.R. (1990), Alteration, Mineralization, and Geochemistry of the Shumake Deposit: A Volcanic Come-Hosted Epithermal Precious Metal Deposit, Kern County, California, Unpublished M. S. Thesis, Michigan Technological University.

California Division of Mines and Geology (1990), Mines and mineral producers active in California (1988-89), California Department of Conservation, Division of Mines and Geology, Special Publication 103.

Randol Mining Directory (1990).

Blaske, A.R., Bornhorst, T.J., Brady, J.M., Marsh, T.M., McKitrick, S.A. (1991), The Shumake Volcanic Dome-Hosted Epithermal Precious Metal Deposit, Western Mojave Desert, California, Economic Geology: 86(8): 1646-1656.

Hecla Mining Company (1994), Annual Report: 20.

Hecla Mining Company (1994), 10-K Report: 19.

Randol Mining Directory (1994/95), U.S. Mines and Mining Companies: 223 (Blue Eagle Mine).

Hecla Mining Company (1995), 10-K Report: 26-27.

Randol Mining Directory (1996/97), U.S. Mines and Mining Companies: 151

The Mining Record (1997): 108(4): 3 (Jan. 22, 1997).

The Mining Record (1997): 108(32): 1 (August 6, 1997).

Point Cast Business Wire (1997), Summo Minerals-Cactus Gold Mines Continued Drilling Extends Shumake Orebody. Found on Point Cast Business Wire, 7-29-97.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10110711 & 10115314.

USGS (2011), Open-File Report OFR 2011-1034.

U.S. Bureau of Mines, Minerals Availability System (MAS) file #0060290144.

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