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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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Hemihedrite
Florence Mine, Ripsey Hill area, Ripsey District, Tortilla Mts, Pinal Co., Arizona, USA

Photo: Bruce Murphy 2007
Latitude: 33°0'25"N
Longitude: 110°57'27"W
 
 
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

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).

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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.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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