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Ten Strike Mine (Tenstrike Mine; Ten Strike group; Stone and Dempsey; Klondyke Mining Co.; Lone Pine Lead; Cassidy and Rubal), Klondyke, Santa Teresa Mts, Aravaipa District, Graham Co., Arizona, USA

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Latitude & Longitude (WGS84): 32° 54' 21'' North , 110° 19' 31'' West
Latitude & Longitude (decimal): 32.9058333333, -110.325277778
Other regions containing this locality:Sonoran Desert, North America

A small former surface and underground Pb-Zn-Cu-Au-Ag-V mine located in sec. 17, T6S, R20E, 3.9 miles SSE of Aravaipa, 3 km N of NNW of the Grand Reef Mine on the western slope of the Santa Teresa Mts, north of Laurel Canyon, on or near Cobre Grande Mountain near Klondyke. Produced 1916-1954. Past operators include Flick and Merrill; Albert Thurman; J.T. Corn; and J.F. Rydborn. Also known as / designated: Aravaipa Leasing Co. property; Aravaipa Patented claim MS 1783.

Mineralization is a tabular ore body hosted in Horse Mountain volcanics in several fault zones. Mineralization occurs in gouge along faults. The ore zone strikes N40W and dips 88SW. Quartz crystals occur in vein druses. An associated rock unit is the Laurel Canyon Granodiorite. Ore control was the Grand Reef and associated faults. Ore concentration was fissure filling and replacement.

Area structures include block faulting trending NNW. Regional trends: minor Pre-Cretaceous E- and NE-trending folds and major Post-Cretaceous NNW-trending faults.

Workings include several short adits, a 120 foot deep shaft, 1 opencut, and about 500 feet of drifts. Workings are connected with the Aravaipa Mine's. Production years: 1924, 1952, & 1954.

Mineral List

9 valid minerals.

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.


Ross, C.P. (1925a), Geology and ore deposits of the Aravaipa and Stanley mining districts, Graham County, Arizona, USGS Bull. 763: 88.

Flagg, A.G. (1942), Vanadium report, Book 1 to Book VIII, Arizona Department of Mines Mineral Resources (unpublished): book 2: 4.

Galbraith, F.W. (1947), Minerals of Arizona, Arizona Bureau of Mines Bull. 153: 16.

Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, Arizona Bureau of Mines Bull. 156: 62-63.

Galbraith, F.W. & D.J. Brennan (1959), Minerals of Arizona: 63, 84.

Simons, F.S. (1964) Geology of the Klondyke Quadrangle Graham and Pinal Counties. USGS Professional Paper 461: 146.

Elevatorski, E.A. (1978), Arizona Industrial Minerals, Arizona Department of Mineral Resources, Minerals Report No. 2: 34.

Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Mineral Report 4, 185 pp.

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 163, 278, 346.

USGS Cobre Grande Quadrangle map.

Arizona Department of Mineral Resources Tenstrike file.

MRDS database Dep. ID #10039485, MRDS ID #M050151; and Dep. ID #10258669, MAS ID #0040090336.

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