Santa Rita Quarry (Santa Rita Limestone; Calcium Products of Arizona Quarry; Pfizer Specialty Minerals Marble Quarry; Specialty Minerals Inc.; Sabado No. 1 - O.S. 1 & 2 - Butch 1-3 & 5), Helvetia-Rosemont District, Santa Rita Mts, Pima Co., Arizona, USA

Ref.: Arizona Department of Mineral Resources (1955) file data.

Niemuth, N.J. (1987), Arizona Mineral Development 1984-1986, Arizona Department of Mines & Mineral Resources Directory 29, 46 pp.

Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Mineral Report 4, 185 pp.

Arizona Department of Mines & Mineral Resources (1988), Directory of Active Mines in Arizona, incorporating sand and gravel operations, Arizona Department of Mines & Mineral Resources Directory, 13 p.

Peirce, H. Wesley (1990), Arizona Geological Survey Industrial Minerals card file.

Phillips, K.A., Beard, R.R., Niemuth, N.J., and Bain, D.R. (1991) Active Mines in Arizona – 1992: Arizona Department of Mines and Mineral Resources Directory 39, 20 pp.

Eyde, T.H. and Eyde, D.T. (1992) Present and Past Producers of White Calcium Carbonate Products in Arizona. In: Houser, B.B., editor, Industrial Minerals of the Tucson Area and San Pedro Valley, Southeastern Arizona: Tucson, Arizona, Arizona Geological Society Field Trip, April 4-5, 1992, Guidebook: 37-47.

Houser, B.B. (1992) (editor) Industrial Minerals of the Tucson Area and San Pedro Valley, Southeastern Arizona: Tucson, Arizona. Arizona Geological Society Field Trip, April 4-5, 1992, Guidebook, 55 pp.: 37-47.

Phillips, K.A., Niemuth, N.J., and Bain, D.R. (1992) Active Mines in Arizona – 1993: Arizona Department of Mines and Mineral Resources Directory 40, 25 pp.

USGS Sahuarita Quadrangle topo map.

Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 128 (Table 4).

Arizona Bureau of Mines file data.

MRDS database Dep. ID file #10060228, MRDS ID #TC10195; and, Dep. ID #10235086, MAS ID #0040190385; and, Dep. ID #10283242, MAS ID #0040190653.

A limestone quarry located in the SE ¼ sec. 11 & the NE ¼ sec. 14, T.18S., R.15E. Owned by the Santa Rita Mining Co. Limestone Div.

Mineralization is partly marmolized Paleozoic limestone.

Workings include a quarry operation. Produces limestone for a lime plant.

A surface crushed marble-limestone/dimension stone quarry (and apparent W prospect) located in secs. 11 & 14, T18S, R15E, 15 miles SE of Sahuarita at the end of the Santa Rita Road. Operated 1972-1975, 1987. Operated by the Specialty Minerals Inc. (A Subsidiary Of Minerals Technologies Inc. Of Pfizer Minerals). Former operators include the Homestake Production Co. (1972-1975); and, Calcium Products of Arizona.

Mineralization is a contact metamorphism deposit of the Escabrosa Limestone altered to marble. This is an extensive marble deposit of white marble. Marblized limestone is gently dipping, faulted and fractured, and 300 to 500 feet thick. There are zones in the marble that contain disseminated pyrite and other sulfides.

The deposit was mined by the Homestake Production Co. for quicklime for copper flotation circuits from 1972-1975. In 1987, production was resumed by Calcium Products of Arizona. The product was ground calcium products. Drilling was done by Paul Lime Co. in 1961 and later by Anaconda Co. (during Cu exploration). Pfizer purchased the mine in 1991 and planned a $3 million exploration and development program.

Quarried for lime products. Crushing, sizing and bagging plant. Markets in Arizona and southwestern U.S.