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United Arizona Mine (United Arizona Copper Mine; Arizona Copper Queen Mine; Goldflower group; Bloody Basin Mineral Development Co. property; Claims MS 3731), Brooklyn Peak, Yavapai Co., Arizona, USA

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Latitude & Longitude (WGS84): 34° 12' 2'' North , 111° 56' 56'' West
Latitude & Longitude (decimal): 34.20055389404297, -111.94889068603516

‡Ref.: Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, AZ Dept. Mines & Min. Resources Open File Rept. 92-10: 18 (Table 1).

Yale Peabody GNIS database (NOTE: this database is derived from USGS 1:24,000 topographic map data).

USGS Brooklyn Peak Quadrangle map.

Arizona Department of Mineral Resources Goldflower group file.

U.S. Bureau of Land Management Mining District Sheets 98 & 99.

MRDS database Dep. ID #10210361, MAS ID #0040251535.

A former underground Cu mine located in the SW¼ sec. 33, T.10N., R.4E. (Brooklyn Peak 7.5 minute topo map). Claims extend into the center of the N1/2 of sec. 33, and into sec. 3, T10N, R3E, and sec. 21, T9.5N, R4E.

Mineralization includes secondary copper minerals..

Mineral List

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

1600 - 2500 Ma
Cherry Tonalite

Age: Proterozoic (1600 - 2500 Ma)

Description: Medium- to medium-coarse-grained hornblende-biotite diorite to granodiorite containing phenocrysts of hornblende (Anderson and Creasey, 1967). Includes tonalite of Cherry (DeWitt, 1989), and part of Cherry batholith (Anderson, 1989a). Newly named herein for exposures near Cherry. Type area is designated where main mass exposed from north of Cherry to far southeastern part of map area. Smaller bodies exposed along east side of Lonesome Valley. Prominent north-trending zone of high magnetic intensity along eastern Lonesome Valley probably marks western contact of Cherry Tonalite with metavolcanic rocks (Langenheim and others, 2002). Most mafic along western margin of main mass and in southern Lonesome Valley. Exposed in erosional highs beneath Tertiary basalt from Interstate 17 to southern margin of map area. Cuts Bishop Spring Granodiorite (unit Xbp) northwest of Rugged Mesa. Cuts Bland Tonalite (newly named, unit Xbl) east of Perry Mesa and south of map area, along Squaw Creek. Undeformed in most outcrops, but mildly to strongly flow foli­ated in places. Strongly deformed along Shylock fault and Shylock high-strain zone in southwestern Black Hills. Hosts gold-bearing quartz veins in Cherry district that are genetically related to the tonalite (Clements, 1991). Chemically is calc-alkalic, sodic to very sodic, and very Mg rich to Fe rich. Age of sample from near Cherry, from U-Pb zircon analyses, is 1,740 Ma (Anderson and others, 1971). K-Ar hornblende dates of 1,694 and 1,690 Ma obtained from samples near Cherry (Lanphere, 1968; Dalrymple and Lanphere, 1971). 40Ar/39Ar total fusion date of 1,709 Ma obtained from one hornblende (Dalrymple and Lanphere, 1971). K-Ar biotite dates of 1,689–1,693 Ma also obtained from same samples. Con­flicting age (cuts 1,720-Ma Bland Tonalite but has U-Pb zircon age of 1,740 Ma) may be due to more than one tonalite body within a composite pluton (Anderson, 1989a)

Reference: DeWitt, E., V. Langenheim, E. Force, R.K. Vance, P.A. Lindberg, R.L. Driscoll. Geologic map of the Prescott National Forest and the headwaters of the Verde River, Yavapai and Coconino Counties, Arizona. Scientific Investigations Map SIM-2996. [99]

1600 - 1800 Ma
Early Proterozoic granitic rocks

Age: Statherian (1600 - 1800 Ma)

Description: Wide variety of granitic rocks, including granite, granodiorite, tonalite, quartz diorite, diorite, and gabbro. These rocks commonly are characterized by steep, northeast-striking foliation. (1600-1800 Ma)

Comments: ~ 1.6 - 1.8 Ga

Lithology: Major:{granite,granodiorite,tonalite}, Minor:{quartz diorite,diorite,gabbro}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License

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