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Captain Jack claims (Gold Crack; Dinner Belle; Calumet; Black Strap Mine; Last Dollar; Squaw Springs; Red Iron), Stanley District, Turnbull Mts, San Carlos Indian Reservation, Graham Co., Arizona, USA

Latitude: 33°3'21"N
Longitude: 110°22'18"W

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A group of Fe-Au-Ag-Cu claims with surface and underground workings located in the NW¼ sec. 35, T4S, R19E (San Carlos Reservoir 15 minute topo map), 6 miles NW of Aravaipa, on Indian-ceded land. Confusion as to location; ADMR U file states sec. 27, T4S, R19E. This property has been located several times for gold and silver, with no production.

Mineralization is ore in irregular lenses in a replacement deposit and includes secondary copper minerals. Ore control was a contact zone between diabase and limestone.

Workings include 2 shafts, an adit, and many small cuts and pits. Analysis of samples results: 65.35% Fe; 57.81% Fe.

References

Harrer, C.M. (1964), Reconnaissance of iron resources in Arizona, US Bureau of Mines Information Circular 8236: 58.

Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 7 (Table 1).

USGS San Carlos Reservoir Quadrangle map.

Arizona Department of Mineral Resources U file.

Arizona Department of Mineral Resources Black Strap group file.

MRDS database Dep. ID #10027028, MRDS ID #M001744; and Dep. ID #10136632, MAS ID #0040090097.

Mineral List

Hematite
var: Specularite

Magnetite

2 entries listed. 1 valid mineral.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in Arizona, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 23rd Jun 2011 13:40:09