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

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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.

References

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.

Mineral List

Cerussite Galena Hemihedrite (TL) Mimetite

Minium Phoenicochroite Pyrite Siderite

Sphalerite Tennantite Vauquelinite Willemite

Wulfenite

13 entries listed. 13 valid minerals. 1 type locality (valid mineral).