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Sunset Mine (Sunset group; Gregory Mine; Gregory claim; MS 4581 Sunset claim; MS 4581 Consolation claim), Ray Mine area, Mineral Creek District (Ray District), Dripping Spring Mts, Pinal Co., Arizona, USA

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Latitude & Longitude (WGS84): 33° 10' 57'' North , 110° 58' 4'' West
Latitude & Longitude (decimal): 33.1825, -110.967777778
A former underground Au-Ag-Cu mine located on 3 patented claims (Sunset #1, Sunset #4 Fraction, & the Sunset #5), in sec. 12, T3S, R13E, about 1 mile NNE of the Ray Mine, and about 1¾ miles SW of Scott Mountain. Produced 1933-1956. Past operators included Mr. William Gregory; A.E. Jones; Jones and R.V. Boggs; the Sunset Mining Co.; V.A. Gilbert; R.R. Leary, and W.O. Kay.

Mineralization is a tabular ore body hosted in Troy Quartzite. Regional structures are Pinal Schist striking WNW, and dipping 20SW. Some Mesozoic basalt porphyry (Gq 1021). The N-trending Broken Hill fault is on the west side of the claim group. The mineralization is probably related to Cretaceous-Paleozoic intrusions in the area, such as at the Ray Mine, 1 mile SW.

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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.


USGS Map GQ 1021 (1971).

Bureau of Land Management District Sheet #634.

U.S. Bureau of Mines - Arizona Bureau of Geology and Mining Technology Production file data.

USGS Sonora Quadrangle map.

Arizona Department of Mineral Resources Sunset group file.

MRDS database Dep. ID #10048306, MRDS ID #M899868; and Dep. ID #10137896, MAS ID #0040210806.

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