CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
350 Brazil (Para) 06.01.25 S -- 050.30.00 W Alemao; Igarape Bahia; Alemão Fe; Cu; Au
 
Database name: World Fe-oxide+/-Cu-Au-U (IOCG) deposits
Compilers: Sunil S. Gandhi
Release date: 2015-03-04
   
Deposit name(s): Alemao; Igarape Bahia; Alemão
Political location(s): Brazil; Province or state: Para
Deposit clan (type): Olympic Dam-type
Geologic province: Brazilian Shield
Geologic subprovince: Carajas Mineral Province
Commodities: Fe; Cu; Au
Mineralization styles: breccia; massive
Coincident features: lithological contact (between lower volcaniclastics and upper clastic metasediments); Coincident feature name: Igarape Bahia Group
Host rocks: (1) volcanic; intermediate-felsic volcanic rocks (volcaniclastics)
Host rock stratigraphy:Igarape Bahia Group-lower

(2) volcanic; unclassified volcanic rocks
Host rock protoliths:unclassified volcano-sedimentary rocks
Individual lithologies:volcaniclastic rock
Host rock stratigraphy:Igarape Bahia Group-upper

(3) sedimentary; unclassified sedimentary rocks (volcaniclastic rocks)
Host rock protoliths:unclassified volcano-sedimentary rocks
Metallogenic signatures: Fe-Cu-Au-U-REE
Alteration signatures: sulphide alteration: chalcopyrite > bornite
Fe-rich alteration
potassic alteration
chloritization
carbonatization
Deposit shape: tabular
References:
Barreira, C. F.; Soares, A. D. V.; Ronze, P. C., 1999
Descoberta Do Deposito Cu-Au Alemao - Provincia Mineral de Carajas
in Boletim de Resumos Expandidos: VI Symposio de Geologia da Amazonia; Manaus-Amazonas, 13 a 17 de Junho de 1999, Edited by Anonymous, Sociedade Brasileira de Geologia, Nucleo Norte, Sociedade Brasileira de Geologia, 596 p, p. 136 - 139

Soares, A. D. V.; Ronze, P. C.; Santos, M. G. S.; Leal, E. D., 1999
Geologia E Mineralizacoes Do Deposito de Cu-Au Alemao - Provincia Mineral de Carajas (PA)
in Boletim de Resumos Expandidos: VI Symposio de Geologia da Amazonia; Manaus-Amazonas, 13 a 17 de Junho de 1999, Edited by Anonymous, Sociedade Brasileira de Geologia, Nucleo Norte, Sociedade Brasileira de Geologia, 596 p, p. 144 - 147

Tazava, E.; Oliveira, C. G., 2000
The Igarape Bahia Au-Cu-(REE-U) Deposit, Carajas Mineral Province, Northern Brazil
in Proceedings of International Conference on Hydrothermal Iron-Oxide Copper-Gold and Related Deposits: A Global Perspective; Perth, Australia; December 4-5, 2000, Edited by Anonymous, Australian Mineral Foundation Inc., Australian Mineral Foundation Inc., 63 Conyngham Street, Glenside 5065, South Australia, p. 9 - 10

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; 170 million metric tons ore; Combined with production?: no; Provisional entry?: yes; Resource category: total resource
Grade-commodity information:Cu: 1.5 percent
Au: 0.8 grams/metric ton
Reference: Ronze, P. C.; Soares, A. D. V.; Santos, M. G. S.; Barreira, C. F., 2000: Alemao Copper-Gold-(-U-REE) Deposit, Carajas, Brazil; in Proceedings of International Conference on Hydrothermal Iron-Oxide Copper-Gold and Related Deposits: A Global Perspective; Perth, Australia; December 4-5, 2000, Edited by Anonymous, Australian Mineral Foundation Inc., Australian Mineral Foundation Inc., 63 Conyngham Street, Glenside 5065, South Australia, p. 9 - 9
Percent weights allocated to deposit: 100.0%

Generated 2015-03-04 14:14:24 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
GlobalDB System, Geological Survey of Canada, Natural Resources Canada