Mine detail: Helvetia East

Previously called 'East HelvetiaUnit, Az, Usbm Ofr Mla ??-94.RosemontHelvetia-RosemontCoronado Nf, Part 12, Santa Rita MtPeach MinePeach ElginCopper WorldBroad Top Butte'

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Location

Lat / long: 31.83263, -110.75878

Resource(M)

Primary: Silver, Copper
Secondary: Gold, Molybdenum, Zinc, Lead
Ore: Bornite, Chalcocite, Chalcopyrite, Chrysocolla, Cuprite, Malachite, Pyrite, Molybdenite
Gangue: Quartz, Diopside, Garnet, Magnetite
Orebody form: Irregular Lenticular Zones, Bedded, Stringers and Pockets
Other material: Azurite, Biotite, Feldspar
Discovery year: 1870

Production

Operation type: Unknown
Deposit type: Porphyry Cu, Skarn Related
Development status: Past Producer
First production started: 1890

Geology

Host rock:Escabrosa Limestone, Horquilla Limestone, Earp Formation, Colina Limestone, and Epitaph Formation, Martin Formation; Abrigo Formation
Host type:Limestone,Sandstone,Dolomite
Associated type:Quartz Monzonite,Quartz Latite,Diorite

References

MRDSD000804
MAS40190010
DEP10210685
Reference{Deposit:: SAWYER, M.B., GURMENDI, A.C., DALEY, M.R., AND HOWELL, S.B., 1992, PRINCIPAL DEPOSITS OF STRATEGIC AND CRITICAL MINERALS IN ARIZONA: U.S. BUREAU OF MINES SPECIAL PUBLICATION, 334 P.}{Deposit:: SCHRADER, F.C., 1915, USGS BULL. 582.}{Deposit:: Anzalone (1995), Long and others (1998), Niemuth (1994), Titley (1993), Titley and Anthony (1989)}{Deposit:: Anamax Mining Company. An Environmental Inventory Of The Rosemont Area In Southern Arizona. Contract Study By University Of Arizona, R. Davis And J. R. Callahan, - Editors, 1977, 2 Volumes, 341 Pp.}{Deposit:: Arizona Pay Dirt. Usfs Working On Anamax Land Swap At Rosemont. October 1977, P. 57.}{Deposit:: Bennett, H. J., L. Moore, L. E. Welborn, And J. E. Toland. An Economic Appraisal Of The Supply Of Copper From Primary Domestic Sources. Bumines Ri 8598, 1973, 156 Pp.}{Deposit:: Bowman, A. B. History, Growth, And Development Of A Small Mining Company. Min. Eng., June, 1963, Pp. 42-49.}{Deposit:: Caterpillar Tractor Company. Caterpillar Performance Handbook, 9th Edition, Cat Publication, October 1978, 592 Pp.}{Deposit:: Cummins, A. B., And I. A. Given. Sme Mining Engineering Handbook, A.I.M.E., New York, 1973, 2 Volumes, Pp. 17-1 To 17-180, 18-1 To 18-90.}{Deposit:: Drewes, H. Cenozoic Rocks Of The Santa Rita Mountains, Southeast Of Tucson, Arizona. U.S. Geological Survey Professional Paper 746, 1972, 66 Pp.}{Deposit:: Drewes, H. Geochemical Reconnaissance Of The Santa Rita Mountains, Southeast Of Tucson, Arizona. U.S. Geol. Survey Bulletin 1365, 1973, 67 Pp.}{Deposit:: Drewes, H. Mesozoic Stratigraphy Of The Santa Rita Mountains, Southeast Of Tucson, Arizonia. U.S. Geol.}{Deposit:: Mountains, Southeast Of Tucson, Arizonia. U.S. Geol. Survey Professional Paper 658-C, 1971, 81 Pp.}{Deposit:: Drewes, H. Structural Geology Of The Santa Rita Mountains, Professional Paper 748, 1972, 35 Pp.}{Deposit:: Drewes, H.L And T. L. Finnell. Mesozoic Stratigraphy And Laramie Tectonics Of Part Of The Santa Rita And Empire Mountains Southeast Of Tucson, Arizona. Southern Arizona Geol. Society Guidebook Iii, S. R. Titley, Editor; Geol. Society Of America Cordilleran Section, 64th Annual Meeting, Tucson, Arizona, 1968, Pp. 315-324.}{Deposit:: Engineering And Mining Journal. In The U.S.--Arizona. June 1975, P. 301.}{Deposit:: Hopkins, W. R., And A.J. Lynch. The Twin Buttes Ozide Project. A.I.M.E. Reprint, 1976 Sme-Aime Fall Meeting, 1976, 30 Pp.}{Deposit:: Keith, S. B. Index Of Mining Properties In Pima County, Arizona. Arizona Bureau Of Mines Bulletin 189, 1974,}{Deposit:: Lovering, T. G., J. R. Cooper, H. Drewes, And G. C. Cone. Copper In Biotite From Igneous Rocks In Southern Arizona As An Ore Indicator. U.S. Geological Survey Research 1970 (Professional Paper 700-B), 1971, Pp. B1-B8.}{Deposit:: Pay Dirt. Anamax Files For Forest Land Swap For Helvetia. June 30, 1975, Pp. 73-74.}{Deposit:: Pay Dirt. Scenes In Old Arizona. August 24, 1970, Pp. 3-4.}{Deposit:: Pfleider, E. P. Surface Mining. A.I.M.E., New York, 1968, 1061 Pp.}{Deposit:: Rampacek, C., And J.T. Dunham. Copper Ore Processing --U.S. Practices And Trends. Min. Cong. J., February 1976, Pp. 43-50.}{Deposit:: Schwartz, G. M. The Nature Of Primary And Secondary Mineralization In Porphyry Copper Deposits. Chapter In Geology Of The Porphyry Copper Deposits - Southwestern North America, S. R. Titley And C. L. Hicks, Editors, University Of Arizona Press, 1966, Pp. 41-50.}{Deposit:: Skilling*Mining Review. Anamax Mining Company Acquires Empire Ranch In Arizona. January 18, 1975, P. 16.}{Deposit:: World Mining. Copper Deposits To Be Developed. August 1970, P. 47.}{Deposit:: Anzalone And Brown, 1992, Geology Of The Helvetia Copper Deposit, Sme Preprint 92-61.}{Deposit:: Sw Pay Dirt, 12-95, P.12a.}{Deposit:: Randol Mining Directory 1996/97, P. 136.}{Geology:: Augusta Resource Corporation. Rosemont Copper Project Updated Feasibility Study. M3-PN08036. Accessed 10-AUG-2009.}{Geology:: Anzalone, S.A., 1995, The Helvetia area porphyry systems, Pima County, Arizona; in Pierce, F.W. and Bolm, J.G., eds., Porphyry Copper Deposits of the American Cordillera, Arizona Geological Society, Digest 20, p. 436-441.}{Geology:: Titley, S.R., 1993, Characteristics of porphyry copper occurrence in the American Southwest, in Kirkham, R.V., Sinclair, W.D., Thorpe, R.I., and Duke, J.M., eds., Mineral deposit modeling: Geological Association of Canada Special Paper 40, p. 433-464.}{Geology:: Titley, S.R., and Anthony, E.Y., 1989, Laramide mineral deposits in Arizona, in Jenney, J.P., and Reynolds, S.J., eds., Geologic evolution of Arizona: Tucson, Arizona Geological Society Digest 17, p. 485?514.}{Other Database:: CIMRI}{Reserve-Resource:: Lowell, J.D. Trends And Techniques In Southwest Porphyry Exploration. World Mining, Oct. 1976, Pp. 56-57.}{Reserve-Resource:: World Mining. Copper: A Future Of Ample And Secure Supply. Sept. 1977, P. 110.}{Reserve-Resource:: Asarco Incorporated 1988 Annual Report. P. 6, 8.}{Reserve-Resource:: Southwestern Pay Dirt, 8/95, P.5a.}{Reserve-Resource:: American Metal Market. Asarco Buys Helvetia Deposit As Long-Term Copper Reserve. Aug. 19, 1988, P. 2.}{Reserve-Resource:: Long, K.R., 1995, Production and reserves of Cordilleran (Alaska to Chile) porphyry copper deposits; in Pierce, F.W. and Bolm, J.G., eds., Porphyry Copper Deposits of the American Cordillera, Arizona Geological Society, Digest 20, p. 35-68.}{Reserve-Resource:: Niemuth, N.J., 1994, The primary copper industry of Arizona, 1992: Arizona Department of Mines and Mineral Resources SR-20, 58 p.}
ReporterTad/Ras, Keith, William J., Orris, Greta J., Intermountain Field Operations Center (IFOC), Peterson, Jocelyn A., Br, Admr, Anderson, Claire