Sierrita

Co Prospectus 1970 (Tons and Grade- Cu and Mo).E and M J 8/70 (Mill Rcvry).Emj June 75 Pg 98 (Good) Emj Mine Directory 1975 (Good)Emj August 70 Pg 70 Flot Mill-Feed Cap 85000 TArizona Pay Dirt. Pennzoil Pushing Duval Asset Sale. December 1984, Pp. 8a-9a.Cyprus Minerals Company. 1986 Form 10-K Report, P.1, 3-7.Cyprus Minerals Company. 1987 Annual ReportCyprus Minerals Company. Press Release, Feb. 18, 1986.Rocky Mountain Pay Dirt. April 1986, P. 22a.Southwestern Pay Dirt. March 1986, P. 4a-5a.Southwestern Pay Dirt. April 1986, P. 8a-10a.Southwestern Pay Dirt. July 1986, P. 18a-19a.Southwestern Pay Dirt. November 1986, P. 10a-11a.Southwestern Pay Dirt. August 1987, P. 18a-19a.O'Neil, Thomas J., Cyprus Sierrita Explains Effort To Control Tailings Dust, Southwestern Pay Dirt, 10/90, P.10a,11a.Southwestern Pay Dirt, 1/91, P.12a.Epler, Bill, Power Rates Lead Cyprus Sierrita To Consider Its Own Plant, Southwestern Pay Dirt, 1/91, P.7a.Epler, Bill, Cyprus Sierrita Gets Lower Power Rate From Tucson Electric, Southwestern Pay Dirt, 4/91, P.24a.Mining Magazine, 7/91, P.5.Dillard, Gary, Cyprus Cuts 220 At Sierrita In Fight To Reduce Unit Costs, Southwestern Pay Dirt, 8/93, P.12a.Dillard, Gary, Benefits Starting From $350 Million Program, Southwestern Pay Dirt, 9/93, P.4a,5a.Cyprus Amax Minerals Co., News Release, 12/31/93, 1pp.Hill, Leonard N., Installing Cyclones On The Primary Grinding Circuit At Cyprus Sierrita, Mining Engineering, 9/94, P.1057-1060.Aiken and West, 1978, Az Geol Soc Digest Vii, P. 117-128.Keith, 1974, Abm Bull 189, P. 138.Lynch, 1966, In Titley and Hicks, Univ Of Az Press.Greeley, 1978, Admr Spec Rept No 2.Engineering And Mining Journal, October, 1987, P. 12.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.The Porter GeoConsultancy webpage for Sierrita - Esperanza contains a description of the geology. Accessed on 8/26/2010.\nhttp://www.portergeo.com.au/\nTitley, Spencer R., Some Features Of Tectonic History And Ore Genesis In The Pima Mining District, In Advances In Geology Of The Porphyry Copper Deposits- Southwestern North America, 1992, University Of Arizona Press, P.387-406.Barter, Charles F. And James L. Kelly, Geology Of The Twin Buttes Mineral Deposit, In Advances In Geology Of The Porphyry Copper Deposits- Southwestern North America, 1982, University Of Arizona Press, P.407-432.West, Richard J. And Daniel M. Aiken, Geology Of The Sierrita- Esperanza Deposit, In Advances In Geology Of The 1982, University Of Arizona Press, P.433-465.Porter, T.M., 1998, An overview of the World's porphyry and other hydrothermal copper & gold deposits and their distribution; in Porter, T. M., ed., Porphyry and Hydrothermal Copper and Gold Deposits: a global perspective, PACRIM '98 Conference Proceedings, Australian Mineral Foundation, p. 3-17.Ruiz, J. and Mathur, R., 1999, Metallogenesis in continental margins: Re-Os evidence from porphyry copper deposits in Chile; in Lambert, D.D. and Ruiz, J., eds., Application of Radiogenic Isotopes to Ore Deposit Research and Exploration, Reviews in Economic Geology, v. 12, p. 59-72.Jensen, P.W., 1998, A structural and geochemical study of the Sierrita porphyry copper system, Pima County, Arizona; unpublished M.S. thesis, University of Arizona, Tucson, 136 p.McCandless, T.E. and Ruiz, J., 1993, Rhenium-osmium evidence for regional mineralization in southwestern North America; Science, v. 261, p. 1282-1286.CimriNickel News. Issue 32/52. 8/6/97. P.12.Aiken and West, 1978; Sawyer And Others, 1992.Securities and Exchange Commission Form 10k For Pennzoil Company For Year Ending Dec. 31, 1981.Cyprus-Amax Minerals Co., Sec Form 10-K Rept, 12/31/93, P.7.Cyprus Amax Minerals Co., 1994 Form 10-K, P.2.Cyprus Minerals Company 1987 Form 10-K Report, Page 3.Cyprus Amax Minerals Company 1995 10-K, P.2-4.Greeley, 1978; Sawyer And Others, 1992.