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Florence Mine (Florence Lead Silver Mine), Ripsey Hill area, Ripsey District, Tortilla Mts, Pinal Co., Arizona, USA

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Latitude & Longitude (WGS84): 33° 0' 25'' North , 110° 57' 27'' West
Latitude & Longitude (decimal): 33.0069444444, -110.9575
Other regions containing this locality:Sonoran Desert, North America

A former surface and underground Pb-Ag-Cu-Au-Mo-Cr-Zn mine located in sec. 12, T5S, R13E, about ½ mile E of Ripsey Hill, 2 miles W of Hackberry Mine and about 5½ miles SW of Kearny, on state land. Owned by Edward O. Ryden.

Mineralization is a sheared fault zone between Escabrosa Limestone and quartzite (granitic conglomerate of the San Manuel formation). Alteration is from sphalerite and galena. There were 3 stages of wulfenite formation with different chromium contents.

Mineral List

17 valid minerals. 1 (TL) - type locality of valid minerals.

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.


Ransome, F.L. (1923) Ray folio, Arizona: U.S. Geological Survey, Geologic Atlas of the United States, Folio no. 217, 24 p. [oversized], 5 sheets, scales 1:12,000 and 1:62,500.

Williams, S.A. & J.W. Anthony (1970), Hemihedrite, a new mineral from Arizona, American Mineralogist: 55: 1088-1102.

Schmidt, E.A. (1971) A structural investigation of the northern Tortilla Mountains, Pinal County, Arizona: Tucson, University of Arizona, Ph.D. dissertation, 248 p., 5 sheets, scales 1:12,000, 1:2,400, and 1:24,000.

Cornwall, H.R., and Krieger, M.H. (1975) Geologic map of the Kearny quadrangle, Pinal County, Arizona: U.S. Geological Survey Geologic Quadrangle Map GQ-1188, 9 p., 1 sheet, scale 1:24,000.

Clark (1993), "Hey's Mineral Index."

Anthony, J.W., et al (1995), Mineralogy of Arizona (1995), 3rd. ed.: 158, 247, 300, 390, 413, 421, 426.

Arizona Bureau of Mines file data.

MRDS database Dep. ID #10037113; MRDS ID #M030467.

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