Mine detail: Cerro Matoso

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Location:	Cordoba, Colombia, South America
Lat / long:	7.91786, -75.58304
dep_id:	10068456
mrds_id:	W001516
Commodity type:	metallic
Major mineral:	Nickel
Trace mineral:	Chromium, Iron, Cobalt
Operation type:	Unknown
Production size:	Production occurred
Development status:	Producer
ore:	Garnierite, Goethite, Limonite
orebody_fm:	IRREGULAR BLANKET
model:	110: Lateritic Ni
alteration:	Lateritization And Saprolitization
conc_proc:	Alternating Wet And Dry Seasons Under Humid Tropical Regime, With Low Relief.
ore_ctrl:	Probably Related To Long-Standing, Slightly Elevated Water Table.
Reporter:	Orris, Greta J., Irving, Earl M.
hrock_type:	Peridotite
arock_type:	Serpentinite
Structure:	Reg.Struct: N-Ne Trending Foldbelt, With Strike Faulting. Observed N-S 20 Km To S.
tectonic:	N-Extension Of Western Cordillera ; Eugeosyncline
Year first produced:	1982
disc_yr:	1956
discr:	Chevron Petroleum Company, Colombia
References:	Deposit:: ALVARADO, BENJAMIN, 1970 , IRON ORE DEPOSITS OF SOUTH AMERICA, IN SURVEY ON WORLD IRON ORE RESOURCES--OCCURRENCE AND APPRAISAL: NEW YORK, UNITED NATIONS, P. 302 - 380 . 433 QUN22S Deposit:: MOGAMBO AREA TO THE SOUTH, IN HALL, R.B. AND FEININGER, T. AND BARRERO L., D., RICO H., H., AND ALVAREZ A., J., INGEOMINAS, 1971. Deposit:: METALS WEEK-METALS SOURCEBOOK, 10/14/74, ITEM #B4617. Deposit:: MINING ENGINEERING, 1974, OCTOBER, P. 30. Deposit:: METALS WEEK, 6/17/74, P. 79. Deposit:: MINING JOURNAL, 6/21/74, P. 505; 9/19/75, P. 215. Deposit:: METALS WEEK - METALS SOURCEBOOK, 5/20/74, ITEM #2844. Deposit:: CORNWALL, H.R., 1973, NICKEL: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 820, P. 441. Deposit:: AMERICAN METAL MARKET, 7/16/71. Deposit:: AMERICAN METAL MARKET, 2/10/71. Deposit:: WALL STREET JOURNAL, 1/28/74. Deposit:: GOMEZ, R., OGRYZLO, C.T., AND DOR, A.A., 1979, THE CERRO MATOSO NICKEL PROJECT, IN EVANS, D.J.I., SHOEMAKER, R.S., AND VELTMAN, H., EDS., INTERNATIONAL LATERITE SYMPOSIUM: AMERICAN INSTITUTE OF MINING, METALLURGICAL AND PETROLEUM ENGINEERS, P. 412-458. Deposit:: MINING MAGAZINE, 9/75, P. 205. Deposit:: U.S. BUREAU OF MINES PREPRINT FOR 1974 MINERALS YEARBOOK Deposit:: MINING ANNUAL REVIEW, 1978, CENTRAL AND SOUTH AMERICA--COLOMBIA: LONDON, MINING JOURNAL, LTD. Deposit:: DEYOUNG AND OTHERS, 1985: U.S. GEOLOGICAL SURVEY CIRCULAR 930-D, 62 P. Deposit:: HALL, R., FEININGER, T., AND THERS, 1971, RECURSOS MINERALES DE LOS DEPARTMENTOS DE ANTIOQUIA, CALDES: COL. BOL. GEOL., V. 18, NO. 2, P. 39-45. Deposit:: MINING MAGAZINE, 1982, PANORAMA--COLUMBIAN FERRONICKEL PROJECT ON STREAM: MINING MAGAZINE, V. 147, NO. 2, P. 79-8-1. (RR8,P. 81) Deposit:: ROSKILL INFORMATION SERVICES, 1977, THE ECONOMICS OF NICKEL, 2D ED.: LONDON, ROSKILL INFORMATION SERVICES, LTD., 587 P. Deposit:: ENGINEERING AND MINING JOURNAL, 1982, COLOMBI* CERRO MATOSO POISED FOR 1982 FERRONICKEL PRODUCTION START: V. 183, NO. 1, P. 35-37. Deposit:: SALAK, JOHN, 1984, BILLITON OPTIMISTIC ON FUTURE: AMERICAN METAL MARKET, V. 92, NO. 134, P. 1, 16. Deposit:: MINING ANNUAL REVIEW, 1983, CENTRAL AND SOUTH AMERICA-COLOMBIA: LONDON, MINING JOURNAL, LTD., P. 355-356; P. 318-319. Deposit:: 1962 DIREXPL HANNA MINING CO., POSITIVE. Deposit:: CONFIDENTIAL, COMPANIA COLOMBIANA DE NIQUEL(1/3 INSTITUTO FOMENTO INDUSTRIAL, 1/3 CHEVRON PETROLEUM COMPANY, 1/3 HANNA MINING COMPANY). Other Database:: CIMRI Reserve-Resource:: HALL AND OTHERS, 1971