CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
99 Australia (Queensland) 20.26.23 S -- 140.42.10 E Ernest Henry; Mt. Fort Constantine Au; Cu; Co
 
Database name: World Fe-oxide+/-Cu-Au-U (IOCG) deposits
Compilers: Sunil S. Gandhi
Release date: 2015-03-04
   
Deposit name(s): Ernest Henry; Mt. Fort Constantine
Political location(s): Australia; Province or state: Queensland; Nearest community: Cloncurry (33 km NE)
Deposit clan (type): Cloncurry-type
Deposit (sub) types: volcanic-hosted breccia; comparable with Osborne and Selwyn deposits in the Cloncurry district, but differs in that it is distinctly breccia-hosted; an earlier mineralization stage comprises magnetite-apatite introduction; Reference: Williams, P. J., 1998: An Introduction to the Metallogeny of the Mcarthur River-Mount Isa-Cloncurry Minerals Provinces; Economic Geology, Volume 93, p. 1120 - 1131
Deposit status: producer; Size category: large
Geologic province: Mount Isa Inlier
Geologic subprovince: Eastern Mount Isa Inlier
Geologic district: Cloncurry
Commodities: Au; Cu; Co
Mineralization styles: breccia-fillings
Geological ages: Paleoproterozoic (host rocks)
Late Paleoproterozoic - Late Mesoproterozoic (mineralization)
Coincident features: shear zone(s)
breccia
Host rocks: (1) volcanic; intermediate-felsic volcanic rocks (brecciated)
Host rock stratigraphy:Mount Fort Constantine Volcanics
Metallogenic signatures: Fe-Cu-Au
Mineralogy: (mineralization): magnetite, chalcopyrite, pyrite, calcite
Links to other databases: OZMIN; Key value: 334994
References:
Anonymous, 2007
OZMIN
Australian Geological Surveys Organization, Australian National Datasets, Internet

Anonymous, 2013
OZMIN
Australian Geological Surveys Organization, Australia National Datasets, Internet

Blake, D. H.; Stewart, A. J., 1992
Stratigraphic and Tectonic Framework, Mount Isa Inlier
Australian Geological Survey Organization Bulletin, Volume 243, p. 1 - 11

Craske, T. E., 1995
Geological Aspects of the Discovery of the Ernest Henry Cu-Au Deposit, Northwest Queensland
Australian Institute of Geoscience Bulletin, Volume 16, p. 95 - 109

Garrard, P. G.; Osborne, J.; Rees, I. D.; Sullivan, T. D., 2000
Queensland Minerals: A Summary of Major Mineral Resources, Mines, and Projects, 1st Edition
Department of Mines and Energy, Queensland, 356 p., 1 disks

Mark, G.; Crookes, R. A., 1999
Epigenetic Alteration at the Ernest Henry Fe-Oxide-(Cu-Au) Deposit, Australia
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. 185 - 188

Page, R. W.; Sun, S. -S., 1998
Aspects of Geochronology and Crustal Evolution in the Eastern Fold Belt, Mt. Isa Inlier
Australian Journal of Earth Sciences, Volume 45, p. 343 - 361

Perkins, C.; Wyborn, L. A. I., 1998
Age of Cu-Au Mineralization, Cloncurry District, Eastern Mt. Isa Inlier, Queensland, As Determined by 40Ar/39Ar Dating
Australian Journal of Earth Sciences, Volume 45, p. 233 - 246

Sleigh, D. W. W., 2002
The Selwyn Line Tabular Iron-Copper-Gold System, Mount Isa Inlier, NW Queensland, Australia
Section Australasia, in Hydrothermal Iron Oxide Copper-Gold and Related Deposits: A Global Perspective, Volume 2, Edited by Porter, T. M., Australian Mineral Foundation, Adelaide, Australia, PGC Publishing, Adelaide, 377 p, p. 77 - 94

Williams, P. J., 1998
An Introduction to the Metallogeny of the Mcarthur River-Mount Isa-Cloncurry Minerals Provinces
Economic Geology, Volume 93, p. 1120 - 1131

Williams, P. J., 1998
Metalliferous Economic Geology of the Mt. Isa Eastern Succession, Queensland
Australian Journal of Earth Sciences, Volume 45, p. 329 - 341

Williams, P. J.; Guoyi, D.; Pollard, P. J.; Perring, C. S.; Ryan, C. G.; Mernagh, T. P., 1999
Fluid Inclusion Geochemistry of Cloncurry (FE)-Cu-Au Deposits
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. 111 - 114

Williams, P. J.; Dong, G.; Pollard, P. J.; Perring, C. S., 1999
Fluid Inclusion Geochemistry of Cloncurry (Fe)-Cu-Au Deposits
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. 111 - 114

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: 2006-06-30; Component: underground operation; 44 million metric tons ore; Combined with production?: no; Provisional entry?: no; Resource category: inferred-indicated resource
Grade-commodity information:Cu: 1.45 percent
Au: 0.7 grams/metric ton
weight-commodity information:Au: 42,000 kilogram
Reference: Anonymous, 2006: Xstrata: Ore Reserves and Mineral Resources (30 June 2006); Xstrata Corporation, Technical Report, Internet
Percent weights allocated to deposit: 100.0%


Estimate date: 2006-06-30; Component: Open cut; 61 million metric tons ore; Combined with production?: no; Provisional entry?: no; Resource category: proven+probable reserve
Grade-commodity information:Cu: 0.87 percent
Au: 0.47 grams/metric ton
weight-commodity information:Au: 35,500 kilogram
Reference: Anonymous, 2006: Xstrata: Ore Reserves and Mineral Resources (30 June 2006); Xstrata Corporation, Technical Report, Internet
Percent weights allocated to deposit: 100.0%


Estimate date: 2006-06-30; Component: Open cut; 62 million metric tons ore; Combined with production?: no; Provisional entry?: no; Resource category: measured-indicated-inferred resource
Grade-commodity information:Cu: 0.87 percent
Au: 0.47 grams/metric ton
Reference: Anonymous, 2006: Xstrata: Ore Reserves and Mineral Resources (30 June 2006); Xstrata Corporation, Technical Report, Internet
Percent weights allocated to deposit: 100.0%
Associated mine(s): Ernest Henry (5)

Generated 2015-03-04 14:14:11 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
GlobalDB System, Geological Survey of Canada, Natural Resources Canada