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Buckeye Mine (Buckeye Copper Mine), Spring Mountain, Webb District, Gila Bend Mts, Maricopa Co., Arizona, USA

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Latitude & Longitude (WGS84): 33° 12' 5'' North , 112° 52' 7'' West
Latitude & Longitude (decimal): 33.2013888889, -112.868611111
Other regions containing this locality:Sonoran Desert, North America

‡Ref.: Cheeseman, R.J. (1974), Geology of the Webb Mountain district, Gila Bend Mountains, Maricopa County, unpublished MS. thesis, Northern Arizona University.

Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, AZ Dept. Mines & Min. Resources Open File Rept. 92-10: 9 (Table 1).

Arizona Bureau of Geology in. Technical clippings file.

Arizona Department of Mineral Resources (ADMR) file data.

USGS 15 minute Woolsey Peak map.

Arizona Department of Mineral Resources (ADMR) Buckeye Copper file.

MRDS database Dep. ID file #10046345; and Dep. ID #10283279.

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

A former underground Cu-Ag-Au-U mine located in the NE¼ sec. 28, T.2N., R.6W. (Woolsey Peak 15 minute topo map).

Mineralization is a vein deposit and includes secondary copper minerals. Locally metamorphic rocks are domed and faulted by a pluton in the mine area. There is minor displacement on the faults. NE foliation on the schist, quartz monzonite and quartz diorite intrusives exist ½ mile west of the mine.

Mineral List

7 valid minerals.

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

Pleistocene - Middle Pleistocene
0.0117 - 0.781 Ma
Late and middle Pleistocene surficial deposits

Age: Pleistocene (0.0117 - 0.781 Ma)

Description: Unconsolidated to weakly consolidated alluvial fan, terrace, and basin-floor deposits with moderate to strong soil development. Fan and terrace deposits are primarily poorly sorted, moderately bedded gravel and sand, and basin-floor deposits are primarily sand, silt, and clay. (10-750 ka)

Lithology: Major:{gravel,sand}, Minor:{silt,clay}

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

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.
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