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Ivy May Mine (Arizona Tucson Mine; Arizona Tucson property; Santa Margarita Mine), Amole District, Tucson Mts, Pima Co., Arizona, USA

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Latitude & Longitude (WGS84): 32° 8' 22'' North , 111° 2' 58'' West
Latitude & Longitude (decimal): 32.1394444444, -111.049444444
A former small underground Pb-Cu-Ag-Au mine located in East-central sec. 7, T.15S., R.13E. (Cat Mountain 7.5 minute topo map), Saginaw Hill area, 6 miles SW of Tucson. Operated 1920-1934. Owned/operated at times, or in part, by the Saginaw Mining Co.; Hermosa Copper Co.; Arizona Tucson Copper Co.; and the Southwest Metal Mines, Inc.

Mineralization is partly oxidized copper and lead sulfides with pyrite in small masses and lenses associated with intersecting quartz veins cutting bleached and altered Cretaceous andesite, arkose, and rhyolite close to a Laramide granite porphyry intrusion. The ore zone is 1.52 meters wide. Alteration includes bleaching.

Workings include a 750 foot (228.6 meters) deep shaft and underground workings. Mined first in the 1890's and sporadically from 1920 to 1950. Total production is estimated at 500 tons averaging 4% Cu, 0.2% Pb, 1.3 oz. Ag/T and 0.1 oz. Au/T. This mine was all fenced off and posted (1973). It appears to be a horse corral over the only exposure of the vein, NW of the shaft.

Mineral List

3 entries listed. 3 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.


Allen, M.A. (1920), Notes on the Southern Section of the Amole District, Arizona Bureau of Mines Bull. 106: 22-23.

Jenkins, O.P., and Wilson, E.D. (1920) A geological reconnaissance of the Tucson and Amole Mountains, with Notes on the southern section of the Amole mining district, by M.A. Allen: Arizona Bureau of Mines Bulletin no. 106, 29 p.: 6, Plate I.

Ayres, V.L. (1924), Pyrite from Tucson, Arizona, American Mineralogist: 9: 91-92.

Galbraith, F.W. (1947), Minerals of Arizona, Arizona Bureau of Mines Bull. 153: 17, 23, 30.

Kinnison, J.E. (1958) Geology and ore deposits of the southern section of the Amole mining district, Tucson Mountains, Pima County, Arizona: Tucson, University of Arizona, M.S. thesis, 126 p.: 95-97, 99, 111-112.

Ashley, R.P. (1974), Field Examination (Ivy May Mine).

Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 102 (Table 4).

Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 12 (Table 1).

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 142, 196, 341.

Arizona Bureau of Mines file data.

MRDS database Dep. ID file #10109620, MRDS ID #M050628; and, Dep. ID #10137763, MAS ID #0040190273.

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