CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
251 Chile (Northern Chile) 27.30.51 S -- 070.17.23 W Candelaria Cu; Ag; Au; Fe
 
Database name: World Fe-oxide+/-Cu-Au-U (IOCG) deposits
Compilers: Sunil S. Gandhi
Release date: 2015-03-04
   
Deposit name(s): Candelaria
Political location(s): Chile; Province or state: Northern Chile; Nearest community: La Serena (295 km NNE)
Deposit clan (type): Olympic Dam-type
Deposit (sub) types: volcanic-hosted; hosted mainly by gently folded andesitic volcanic rocks of the Punta del Cobre Formation, and located near northwest trending brittle faults; mineralization coeval with nearby Cretaceous intrusives.
Deposit status: producer; Size category: 470 Mt
Geologic province: Chilean Coastal Cordillera
Geologic subprovince: Cretaceous Iron Belt
Geologic district: Punta del Cobre
Deposit object located: surface mineralization
Commodities: Cu; Ag; Au; Fe
Geological ages: Late Aptian - Early Albian (mineralization)
Tectonic setting: continental arc-fore-arc; transpressive; Formal name: Candelaria shear zone (mineralization)
Radiometric ages: Object dated: Alteration Signature; Age - Ma: 115.14; +0.18; -0.18; Dating method: Ar-Ar; Concentrate: biotite; Source rock: sulphide ore; Event dated: alteration (hypogene); Interpretive comment: green hydrothermal biotite associated with chalcopyrite-pyrite in ore provides age of mineralization; Reference: Marschik, R.; Fontboté, L., 2001: The Candelaria-Punta del Cobre Iron Oxide Cu-Au(-Zn-Ag) Deposits, Chile; Economic Geology, Volume 96, p. 1799 - 1826

Object dated: Alteration Signature; Age - Ma: 116; +1.2; -1.2; Dating method: Ar-Ar; Concentrate: amphibole; Source rock: sulphide ore; Event dated: alteration (hypogene); Interpretive comment: amphibole intergrown with chalcopyrite and pyrrhotite is, though less precise, close to other dates; Reference: Marschik, R.; Fontboté, L., 2001: The Candelaria-Punta del Cobre Iron Oxide Cu-Au(-Zn-Ag) Deposits, Chile; Economic Geology, Volume 96, p. 1799 - 1826

Object dated: Alteration Signature; Age - Ma: 116.51; +0.26; -0.26; Dating method: Ar-Ar; Concentrate: biotite; Source rock: metamorphosed tuff; Formal name: Trinidad Siltstone; Event dated: mineralization (hypogene); Interpretive comment: barren biotite-almandine+/-cordierite alteration in tuff is somewhat older than 2 other Ar/A dates; Reference: Marschik, R.; Fontboté, L., 2001: The Candelaria-Punta del Cobre Iron Oxide Cu-Au(-Zn-Ag) Deposits, Chile; Economic Geology, Volume 96, p. 1799 - 1826

Object dated: Alteration Signature; Age - Ma: 114.2; +0.8; -0.8; Dating method: Ar-Ar; Concentrate: biotite; Source rock: barren alteration zone; Event dated: alteration (hypogene); Interpretive comment: this date from barren biotite-quartz-magnetite alteration agree with that on biotite from ore zone; Reference: Ullrich, T. D.; Clark, A. H., 1999: The Candelaria Copper-Gold Deposit, Region III, Chile: Paragenesis, Geochronology and Fluid Composition; Section Ore Mineralogy and Paragenesis, in Mineral Deposits: Process to Processing (Volumes 1 and 2), Edited by Stanley, C. J., 5th Biennial SGA Meeting and 10th Quadrennial IAGOD Symposium/London/United Kingdom/22-25 Aug 1999, SGA and International Association for Genesis of Ore Deposits, A. A. Balkema/Rotterdam/Brrokfield/1999, 1475 p, p. 201 - 204

Object dated: Alteration Signature; Age - Ma: 111.7; +0.8; -0.8; Dating method: Ar-Ar; Concentrate: amphibole; Source rock: sulphide ore; Event dated: alteration (hypogene); Interpretive comment: this amphibole age is significantly younger that the amphibole age reported in rank 2; Reference: Ullrich, T. D.; Clark, A. H., 1999: The Candelaria Copper-Gold Deposit, Region III, Chile: Paragenesis, Geochronology and Fluid Composition; Section Ore Mineralogy and Paragenesis, in Mineral Deposits: Process to Processing (Volumes 1 and 2), Edited by Stanley, C. J., 5th Biennial SGA Meeting and 10th Quadrennial IAGOD Symposium/London/United Kingdom/22-25 Aug 1999, SGA and International Association for Genesis of Ore Deposits, A. A. Balkema/Rotterdam/Brrokfield/1999, 1475 p, p. 201 - 204

Dating method: Re-Os; Concentrate: molybdenite; Event dated: mineralization; Interpretive comment: to be published in Econ. Geol. soon; Reference: Mathur, R. D.; Marschik, R.; Ruiz, J.; Munizaga, F.; Leveille, R. A.; Martin, W., 2002: Age of Mineralization of the Candelaria Iron Oxide Cu-Au Deposit, and the Origin of the Chilean Iron Belt based on Re-Os Isotopes; Economic Geology, Volume 97
References:
Barton, M. D.; Johnson, D. A., 1996
Evaporitic-Source Model for Igneous-Related Fe Oxide-(REE-Cu-Au-U) Mineralization
Geology, Volume 24, p. 259 - 262

Jenkins, R. A.; Leveille, R. A.; Martin, W., 1998
Discovery and Geology of the Candelaria Deposit, Chile
in Pathways '98: Exploration Methods '98 - Pathways to Discovery, Edited by Walton, G.; Jambor, J., Extended Abstracts Volume: 15th Annual Cordilleran Roundup, British Columbia and Yukon Chamber of Mines and Society of Economic Geologists Inc., 248 p, p. 78 - 79

Marschik, R., 1996
Cretaceous Cu(-Fe) Mineralization in the Punta Del Cobre Belt, Northern Chile
Ph. D. thesis, University of Geneva, Switzerland, 200 p.

Marschik, R.; Fontboté, L., 2001
The Candelaria-Punta del Cobre Iron Oxide Cu-Au(-Zn-Ag) Deposits, Chile
Economic Geology, Volume 96, p. 1799 - 1826

Marschik, R.; Chiaradia, M.; Fontboté, L., 2003
Implications of Pb Isotope Signatures of Rocks and Iron oxide Cu-Au Ores in the Candelaria-Punta del Cobre District, Chile
Mineralium Deposita, Volume 38, p. 900 - 912

Mathur, R. D.; Marschik, R.; Ruiz, J.; Munizaga, F.; Leveille, R. A.; Martin, W., 2002
Age of Mineralization of the Candelaria Iron Oxide Cu-Au Deposit, and the Origin of the Chilean Iron Belt based on Re-Os Isotopes
Economic Geology, Volume 97

Segerstrom, K., 1967
Geology and Ore Deposits of Central Atacama Province, Chile
Geological Society of America Bulletin, Volume 78, p. 305 - 318

Sillitoe, 2003
Iron Oxide-Copper-Gold Deposits: An Andean View
Mineralium Deposita, Volume 38, p. 787 - 812

Ullrich, T. D.; Clark, A. H., 1999
The Candelaria Copper-Gold Deposit, Region III, Chile: Paragenesis, Geochronology and Fluid Composition
Section Ore Mineralogy and Paragenesis, in Mineral Deposits: Process to Processing (Volumes 1 and 2), Edited by Stanley, C. J., 5th Biennial SGA Meeting and 10th Quadrennial IAGOD Symposium/London/United Kingdom/22-25 Aug 1999, SGA and International Association for Genesis of Ore Deposits, A. A. Balkema/Rotterdam/Brrokfield/1999, 1475 p, p. 201 - 204

Resource data:
Disclaimer - Reserves/Resource Data

Her Majesty the Queen in Right of Canada, represented by the Minister of Natural Resources (NRCan) does not warrant or guarantee the accuracy, completeness or fitness for any purpose of Reserve and Resource information (Data) contained in this database, including whether the Data is compliant with any securities regulations or standards, and NRCan does not assume any liability with respect to any damage or loss incurred as a result of the use made of the Data.

Resource and reserve figures are historical in nature. The Data source provided with each set of figures should be cited if the Data are re-reported.

Estimate date: 2000; 470 million metric tons ore; Combined with production?: no; Provisional entry?: yes; Resource category: reserve
Grade-commodity information:Cu: 0.95 percent
Au: 0.22 grams/metric ton
Ag: 3.1 grams/metric ton
Reference: Marschik, R.; Leveille, R. A.; Martin, W., 2000: La Candelaria and the Punta del Cobre District, Chile: Early Cretaceous Iron-Oxide Cu-Au (-Zn-Ag) Mineralization; Section The Americas, in Hydrothermal Iron Oxide Copper-Gold and Related Deposits: A Global Perspective, Volume 1, Edited by Porter, T. M., Australian Mineral Foundation, Adelaide, Australia, PGC Publishing, Adelaide, 349 p, p. 163 - 176
Percent weights allocated to deposit: 100.0%

Generated 2015-03-04 14:15:43 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
GlobalDB System, Geological Survey of Canada, Natural Resources Canada