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Old Guard Mine (Royal Guard Mine), Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA

‡Ref.: Butler, B.S., Wilson, E.D., and Rasor, C.A. (1938b), Geology and ore deposits of the Tombstone district, Arizona, Arizona Bureau of Mines Bull. 143: 46-48, 78, Pl. III, IV & XII.

Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, Arizona: 77 (Table 4).

Williams, S.A. (1978), Khinite, parakhinite, and dugganite, three new tellurates from Tombstone, Arizona, American Mineralogist: 63: 1016-1019.

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 209, 267, 320, 350.

Arizona Bureau of mines files.

MRDS database Dep. ID file #10027015, MRDS ID #M001721; and, Dep. ID #10158768, MAS ID #0040030665.

A former small underground Ag-Au-Pb-Mn mine located in the SW ¼ sec. 11 and sec. 14, T.20S., R.22E, ¾ mile SW of Tombstone, on private land. Located directly between the Herschel Mine and the Lucky Cuss Mine. Produced 1905-1940. Owned at times, or in part, by the Old Guard Mining Co., Imperial Guard Mining Co., Silver Bar Mining Co., and the Tombstone Silver Fields Mining Co.

Mineralization is a replacement deposit with oxidized oreshoots containing argentiferous lead and manganese ores along the Lucky Cuss fault zone at junctions with intersecting fissures. The ore zone strikes NNE and dips 70-75E. Host rock units are shale and limestone.

Workings include an inclined shaft. Some 2,000 tons of ore were produced intermittently between 1905 and 1940.





Map Reference: 31°42'11"N , 110°4'24"W

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Mineral List:
  • Bromargyrite
  • Chlorargyrite
  • Chrysocolla
  • Dugganite
  • Gold
  • Khinite (TL)
  • Parakhinite
  • Quartz
  • Quetzalcoatlite
  • Tenorite
  • Tlapallite
  • Xocomecatlite


    12 entries listed. 12 valid minerals. 1 type locality (valid mineral).

    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!
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