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| | Report (article/chapter) | | Salvador –Curaçá orogen, São Francisco
craton, Brazil
E. P. OLIVEIRA1*, N. J. MCNAUGHTON2 & R. ARMSTRONG3...University of Campinas—UNICAMP, 13083-970,
Campinas, SP, Brazil
2
John de Laeter Centre of Mass Spectrometry...and between 2.15 and 2.12 Ga to form the Rio Itapicuru and Rio Capim greenstone belts.
At about 3.08–2...block
margin. Between 2.11 and 2.105 Ga, the Rio Itapicuru arc collided with the Retirolândia– Jacurici...the same time, arc
dacites spread over the Rio Itapicuru greenstone belt, and the 3.12–3.0 Ga Uauá terrane | 👁 Image
| Milesi, J.P; Ledru, P; Marcoux, E; Mougeot, R; Johan, V; Lerouge, C; Sabaté, P; Bailly, L; Respaut, J.P; Skipwith, P (2002) The Jacobina Paleoproterozoic gold-bearing conglomerates, Bahia, Brazil: a “hydrothermal shear-reservoir” model. Ore Geology Reviews, 19 (1). doi:10.1016/s0169-1368(01)00038-5 | Journal (article/letter/editorial) | | com/locate/oregeorev
The Jacobina Paleoproterozoic gold-bearing conglomerates,
Bahia, Brazil: a ‘‘hydrothermal...2001; accepted 19 October 2001
Abstract
The N – S Jacobina foreland basin is a Paleoproterozoic basin (2080...the high thermal regime that characterizes the Jacobina basin could reflect a contribution from both the...conglomerates
of the Jacobina basin in the São Francisco province of
Bahia, Brazil are of special interest...evolution of the
Jacobina basin
The Serra de Jacobina, known geologically as the
‘‘Jacobina basin’’ (Fig | 👁 Image
| | Journal (article/letter/editorial) | | Paleoproterozoic crust of the São Francisco Craton,
Bahia, Brazil: geodynamic features
J.S.F. Barbosa a,∗ , P...40210-340 Bahia, Brazil
b IRD—Representation in Brazil CP7091, Lago Sul, 71619-970 Brasilia, DF, Brazil
Received...in the
basement of the São Francisco Craton in Bahia. The oldest is the Gavião block in the WSW part...extends from SE Bahia along the Atlantic coast to Salvador, then northwards into NE
Bahia. It is mainly...Geocronological; Geotectonic models; Mineral deposits; Bahia; Brazil
1. Introduction
The essential features of the | 👁 Image
| | Journal (article/letter/editorial) | | crustal evolution in the Sgo
Francisco craton, Brazil: a review
Wilson Teixeira and Mario Cesar Heredia...University of Sdo Paulo, P.O. Box 20899, Sdo Paulo, Brazil
(Received March 1, 1990; revised and accepted February...crustal evolution in the Silo Francisco craton,
Brazil: a review. In: R.J. Stern and W.R. van Schmus (Editors)...analogous to supracrustal units o f the SFC (e.g., Jacobina, Minas;
Figs. 4, 5 ). Finally, both the SFC and...supracrustals: l=Serrinha-Itapicuru; 2 = Contendas Mirante; 3 = Rio Capita; 4 = Jacobina;
5=Brumado; 6=Urandi; | 👁 Image
| Oliveira, Elson P, Windley, Brian F, McNaughton, Neal J, Pimentel, Marcio, Fletcher, Ian R (2004) Contrasting copper and chromium metallogenic evolution of terranes in the Palaeoproterozoic Itabuna–Salvador–Curaçá orogen, São Francisco craton, Brazil: new zircon (SHRIMP) and Sm–Nd (model) ages and their significance for orogen-parallel escape tectonics. Precambrian Research, 128 (1) 143-165 doi:10.1016/j.precamres.2003.09.018 | Journal (article/letter/editorial) | | Itabuna–Salvador–Curaçá
orogen, São Francisco craton, Brazil: new zircon (SHRIMP)
and Sm–Nd (model) ages and their...Instituto de Geociências, UNICAMP, Campinas 13083-970, Brazil
b Department of Geology, Leicester University,...Instituto de Geociências, UnB, 70910-900, DF, Brazil
Received 5 May 2003; accepted 23 September 2003...collisional orogen in the São Francisco craton
(Brazil) comprises two high-grade terranes separated by...Chromite; Geochronology; Palaeoproterozoic orogen; Brazil
1. Introduction
∗ Corresponding author. Tel.: | 👁 Image
| Ledru, P., Mile´si, J.P., Johan, V., Sabate´, P., Maluski, H. (1997) Foreland basins and gold-bearing conglomerates: a new model for the Jacobina Basin (Sa˜o Francisco province, Brazil) Precambrian Research, 86 (3) 155-176 doi:10.1016/s0301-9268(97)00048-x | Journal (article/letter/editorial) | | conglomerates: a new model for
the Jacobina Basin (S o Francisco province, Brazil)
P. L e d r u a,,, j . p ....metamorphic viewpoint, the Jacobina Basin in the S~o Francisco province
(Brazil) is representative of the...evolution is coherent with the development of the Jacobina Basin in a foreland position and its
progressive...Davis
et al., 1994), Franceville (Gabon), Jacobina
(Brazil) and the North Guiana trough (French
Guiana)... In this sense, the Palaeoproterozoic
Jacobina Basin in Brazil, which has so far
produced about 50 t | 👁 Image
| | Journal (article/letter/editorial) | | Abstract Brazil has been a major but intermittent
producer of gold since its discovery in 1500. Brazil led...hosted in
Archean rocks produced 66% of the gold in Brazil,
whereas deposits in Paleoproterozoic and Neoproterozoic...lia, Brazil
E.A. Ladeira
Rua Muzambino 355/404, Belo Horizonte,
Minas Gerais 30310-280, Brazil
Deposits...importance. The
Archean and Paleoproterozoic terranes of Brazil largely
lack base-metal-rich volcanogenic massive...in the CarajaÂs Mineral Province.
Introduction
Brazil has been an important producer of gold for centuries | 👁 Image
| | Journal (article/letter/editorial) | | Contendas-Mirante Supracrustal Belt, São Francisco Craton, Brazil, as a Paleoproterozoic foreland
basin
Stefano Zincone...ContendasMirante Supracrustal Belt, São Francisco Craton, Brazil, as a Paleoproterozoic foreland basin, Precambrian...Contendas-Mirante
Supracrustal Belt, São Francisco Craton, Brazil, as a Paleoproterozoic foreland
basin
Stefano Zincone1...of Campinas, P.O. Box 6152, 13083-970 Campinas, Brazil.
2
Department of Geology, School of Mines, Federal...do Cruzeiro, 35400-000 Ouro Preto, Minas Gerais, Brazil.
The low-grade Contendas-Mirante meta-volcano-sedimentary | 👁 Image
| Conceição, Herbet, Rios, Débora Correia, de Lourdes da Silva Rosa, Maria, Davis, Donald W., Dickin, Alan P., McReath, Ian, Marinho, Moacyr Moura, Buenano Macambira, Moacir José (2002) Zircon Geochronology and Petrology of Alkaline-Potassic Syenites, Southwestern Serrinha Nucleus, East São Francisco Craton, Brazil. International Geology Review, 44 (2) 117-136 doi:10.2747/0020-6814.44.2.117 | Journal (article/letter/editorial) | | information:
http://www.tandfonline.com/loi/tigr20
Zircon Geochronology and Petrology of AlkalinePotassic...Southwestern Serrinha Nucleus, East
São Francisco Craton, Brazil
a
a
a
Herbet Conceição , Débora Correia Rios...Buenano
Macambira
a
f
Universidade Federal da Bahia
b
Royal Ontario Museum
c
McMaster University...Marinho & Moacir José Buenano Macambira (2002) Zircon Geochronology and Petrology of
Alkaline-Potassic...Southwestern Serrinha Nucleus, East São Francisco Craton, Brazil, International Geology Review,
44:2, 117-136, DOI: | 👁 Image
| Teixeira, João Batista Guimarães, de Souza, Jorge André Braz, da Silva, Maria da Glória, Leite, Carlson Matos Maia, Barbosa, Johildo Salomão Figueiredo, Coelho, Carlos Eduardo Silva, Abram, Maisa Bastos, Filho, Valter Mônaco Conceição, Iyer, Sundaram S.S. (2001) Gold mineralization in the Serra de Jacobina region, Bahia Brazil: tectonic framework and metallogenesis. Mineralium Deposita, 36 (3) 332-344 doi:10.1007/s001260100174 | Journal (article/letter/editorial) | | Gold mineralization in the Serra de Jacobina region, Bahia Brazil:
tectonic framework and metallogenesis...Gold deposits in the Serra de Jacobina region
in Bahia, northeastern Brazil, occur in a belt of siliciclastic...Federal da Bahia (CPGG/IGEO/UFBA),
Campus UniversitaÂrio de Ondina, CEP 40170-290,
Salvador, Bahia, Brazil...2862, Centro Administrativo da Bahia,
CEP 41213-000, Salvador, Bahia, Brazil
V.M.C. Filho
Companhia Baiana...460, Centro Administrativo da Bahia,
CEP 41750-300, Salvador, Bahia, Brazil
S.S.S. Iyer
Department of Physics | 👁 Image
| | Journal (article/letter/editorial) | | Federal da Bahia, Campus Universitário de Ondina,
Sala 201-C, Salvador, 40170-290, Bahia, Brazil
b
Geological...Survey of Brazil (CPRM)-Av. Pasteur, 404, Urca, Rio de Janeiro, 22290-240, Rio de Janeiro, Brazil
Received...from Venezuela
(Imataca Complex), and others from Brazil (Quadrilátero
Ferrífero, Itabira, and Guanhães)...mentioning that the Serra dos Carajás Basin
in northern Brazil is older. It contains the worlds' largest iron...metamorphosed Caraíba deposit, Curaçá Valley, Bahia,
Brazil. This is an unusual, strongly deformed copper | 👁 Image
| | Journal (article/letter/editorial) | | eastern half of Brazil. Paleoarchean rocks
occur as small cratonic nuclei in northeastern Brazil, but
the cratons...northwestern Amazon Craton and
possibly in northeastern Brazil. There are voluminous
Paleoproterozoic and Mesoproterozoic...contain 5% of
juvenile crust in central and southern Brazil, but are
dominantly derived from reworking of older...deposits in the weathering
zone are widespread in Brazil.
L.A. Hartmann (&)
Instituto de GeocieÃncias,...9500; 91501-970 Porto Alegre,
Rio Grande do Sul, Brazil
E-mail: afraneo@if.ufrgs.br
I. de M. Delgado
Brazilian | 👁 Image
| | Journal (article/letter/editorial) | | com/loi/tigr20
Geology and Mineral Resources of Brazil: A
Review
a
a
Inacio De Medeiros Delgado , Augusto...de Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil
b
US. Geological Survey, Denver, CO, 80225...Thorman (1994):
Geology and Mineral Resources of Brazil: A Review, International Geology Review, 36:6,...rights reserved.
Geology and Mineral Resources of Brazil: A Review
INACIO DE MEDEIROS DELGADO, AUGUSTO J...de Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil
AND CHARLES H. THORMAN
US. Geological Survey | 👁 Image
| Oliveira, E.P., Souza, Z.S., McNaughton, N.J., Lafon, J.-M., Costa, F.G., Figueiredo, A.M. (2011) The Rio Capim volcanic–plutonic–sedimentary belt, São Francisco Craton, Brazil: Geological, geochemical and isotopic evidence for oceanic arc accretion during Palaeoproterozoic continental collision. Gondwana Research, 19 (3) 735-750 doi:10.1016/j.gr.2010.06.005 | Journal (article/letter/editorial) | | volcanic–plutonic–sedimentary belt, São Francisco Craton,
Brazil: Geological, geochemical and isotopic evidence...Campinas, P.O. Box 6152, Campinas, SP, 13083-970, Brazil
Departamento de Geologia e Pós-Graduação em Geodinâmica...Geodinâmica e Geofísica, UFRN, Natal, RN, 59078-970, Brazil
c
John de Laeter Centre of Mass Spectrometry, School...Universidade Federal do Pará, Belém, PA, 66075-110, Brazil
e
Instituto de Pesquisas Energéticas e Nucleares...Nucleares — IPEN-CNEN/SP, São Paulo, SP, 05508-000, Brazil
b
a r t i c l e
i n f o
Article history:
Received | 👁 Image
| | Journal (article/letter/editorial) | | magmatism of the JacobinaContendas Mirante belts (Bahia, Brazil)" Geologic and isotopic
constraints on the sources...Salvador (BA) (Brazil)
2Companhia Baiana de Pesquisa Mineral (CBPM), Centro Administrativo da Bahia, 41500 Salvador...Salvador (BA) (Brazil)
aCNRS and Blaise Pascal University, F-63038 Clermont-Ferrand (France)
(Accepted...magmatism of the JacobinaContendas Mirante belts (Bahia, Brazil): Geologic and isotopic constraints on the sources...and the metasedimentary rocks of the Serra de Jacobina. They are
two-mica or muscovite-garnet-bearing | 👁 Image
| da Silva, Maria da Glória, Silva Coelho, Carlos Eduardo, Teixeira, João Batista Guimarães, da Silva, Fernando César Alves, Silva, Roberto Albuquerque, de Souza, Jorge André Braz (2001) The Rio Itapicuru greenstone belt, Bahia, Brazil: geologic evolution and review of gold mineralization. Mineralium Deposita, 36 (3) 345-357 doi:10.1007/s001260100173 | Journal (article/letter/editorial) | | Andre Braz de Souza
The Rio Itapicuru greenstone belt, Bahia, Brazil:
geologic evolution and review...Abstract Shear-hosted gold deposits in the Rio Itapicuru greenstone belt occur within supracrustal rocks...contains the largest gold deposits of northeastern Brazil. In contrast, ¯uid±rock interaction with
volca...Federal da Bahia. Campus UniversitaÂrio
de Ondina, CEP 40210-340, Salvador, Bahia, Brazil
E-mail: gloria@ufba...Federal da Bahia/CNPq.
Campus UniversitaÂrio de Ondina,
CEP 40210-340, Salvador, Bahia, Brazil
F.C.A. da | 👁 Image
| Mello, Edson F., Xavier, Roberto P., McNaughton, Neal J., Hagemann, Steffen G., Fletcher, Ian, Snee, Larry (2006) Age constraints on felsic intrusions, metamorphism and gold mineralisation in the Palaeoproterozoic Rio Itapicuru greenstone belt, NE Bahia State, Brazil. Mineralium Deposita, 40 (8) 849-866 doi:10.1007/s00126-005-0037-3 | Journal (article/letter/editorial) | | the Palaeoproterozoic Rio Itapicuru greenstone
belt, NE Bahia State, Brazil
Received: 24 February 2004...ages of zircon, monazite and
xenotime crystals from felsic intrusive rocks from the Rio
Itapicuru greenstone...152±6 Ma
in monazite crystals and 2,155±9 Ma in zircon crystals
derived from the Trilhado granodiorite...granodiorite, and ages of 2,130±
7 Ma and 2,128±8 Ma in zircon crystals derived from the
Teofilândia tonalite. The...Universitária,
Ilha do Fundão, Rio de Janeiro,
21949-900, Brazil
e-mail: mello@geologia.ufrj.br
Tel.: +55-021-25989464 | 👁 Image
| Sighinolfi, G. P., Figueredo, M. C. H., Fyfe, W. S., Kronberg, B. I., Tanner Oliveira, M. A. F. (1982) Geochemistry and petrology of the jequie granulitic complex (Brazil): an archean basement complex. Contributions to Mineralogy and Petrology, 78 (3) 263-271 doi:10.1007/bf00398921 | Journal (article/letter/editorial) | | and Petrology of the Jequie Granulitic Complex (Brazil):
An Archean Basement Complex
G.P. Sighinolfi ~...de Geosciencia, Universidade Federal da Bahia, Salvador, Brazil
lite facies metamorphism, or at least...within the Sao Francisco
craton of northeastern Brazil. Some Jequie rocks appear to have
been formed in...formations of the Bahia State, located within
the Sao Francisco craton of northeastern Brazil (Ahneida 1977)...
Fig. 1. Geological sketch map of the state of Bahia
(after Figueredo 1980)
Reprint requests to." G | 👁 Image
| | Journal (article/letter/editorial) | | Alto Alegre gneiss dome, São Francisco Craton, Brazil: a geological record of transpression along a Palaeoproterozoic...Alto Alegre gneiss dome, São Francisco
Craton, Brazil: a geological record of transpression along a Palaeoproterozoic...Alto Alegre gneiss dome, São Francisco Craton,
2
Brazil: a geological record of transpression along a Palaeoproterozoic...of Campinas, P.O. Box
6152, Campinas, 13083-970 Brazil
9
10
Abstract
11
Gneiss domes are crustal-scale...Palaeoproterozoic
20
Rio Itapicuru greenstone belt (arc). SHRIMP U-Pb zircon geochronology reveals ages | 👁 Image
| Davison, Ian, Batista Guimarães Teixeira, João, Da Glória Da Silva, Maria, Barretto Da Rocha Neto, Manoel, Martins Vieira Matos, Fernando (1988) The Rio Itapicuru greenstone belt, Bahia, Brazil: Structure and stratigraphical outline. Precambrian Research, 42 (1) 1-17 doi:10.1016/0301-9268(88)90007-1 | Journal (article/letter/editorial) | | Printed in The Netherlands
THE RIO ITAPICURU GREENSTONE BELT, BAHIA, BRAZIL:
STRUCTURE AND STRATIGRAPHICAL...T I N S VIEIRA
MATOS 2
1Universidade Federal da Bahia, Curso de Pds-gradua¢fio em Geologia, Instituto...Moura,
123, Federa¢5o, CEP40.120, Salvador, Bahia (Brazil)
~DOCEGEO, Rio Doce Geologia e Minera¢5o S.A...Guadalajara, 20, Barra, CEP 40.160, Salvador, Bahia (Brazil)
:~C.B.P.M., Companhia Baiana de Pesquisa Mineral...s/n, Centro Administrativo da Bahia, CEP 40.000,
Salvador, Bahia (Brazil)
(Received and accepted March | 👁 Image
| Maheshwari, Anil, Sial, Alcides N., Gaucher, Claudio, Bossi, Jorge, Bekker, Andrey, Ferreira, Valderez P., Romano, Antonio W. (2010) Global nature of the Paleoproterozoic Lomagundi carbon isotope excursion: A review of occurrences in Brazil, India, and Uruguay. Precambrian Research, 182 (4) 274-299 doi:10.1016/j.precamres.2010.06.017 | Journal (article/letter/editorial) | | carbon isotope excursion:
A review of occurrences in Brazil, India, and Uruguay
Anil Maheshwari a,∗ , Alcides...Department of Geology, UFPE, Recife, PE 50740-530, Brazil
Departamento de Geología, Facultad de Ciencias...Geosciences, UFMG, Belo Horizonte, MG 30430-120, Brazil
b
c
a r t i c l e
i n f o
Article history:
Received...
Keywords:
Lomagundi excursion
Carbon isotopes
Brazil
Uruguay
India
a b s t r a c t
Positive carbon...Supergroup
(northwestern India), the Minas Supergroup (Brazil), and new sections of the Paso Severino Formation | 👁 Image
| Teixeira, J. B. G., Kishida, A., Marimon, M. P. C., Xavier, R. P., McReath, I. (1990) The Fazenda Brasileiro gold deposit, Bahia; geology, hydrothermal alteration, and fluid inclusion studies. Economic Geology, 85 (5) 990-1009 doi:10.2113/gsecongeo.85.5.990 | Journal (article/letter/editorial) | | 20 Rua Guadalajara, Barra, Salvador, Bahia Cep 40.160, Brazil
R. P. XAVIER,
Institutode Geocidncias...Cidade Universitdria,Campinas,SaoPauloCep 13.100, Brazil
AND I. MCREATH
Departamentode GeologiaGeral, Institutode... Cidade Universitdria,Cep 01498, Sc7o
Paulo,SP,Brazil
Abstract
The high-gradegold mineralizationat ...Fazenda Brasileirogold deposit,discoveredin
The Rio Itapicuru granite-greenstoneterrane ex1976 by Rio Doce Geologiae...easternpartof
CEGEO), is in the northeastregionof Bahia,approx- the Sio Franciscocraton.Its main componentsare | 👁 Image
| Rios, D.C., Conceição, H., Davis, D.W., Plá Cid, J., Rosa, M.L.S., Macambira, M.J.B., McReath, I., Marinho, M.M., Davis, W.J. (2007) Paleoproterozoic potassic–ultrapotassic magmatism: Morro do Afonso Syenite Pluton, Bahia, Brazil. Precambrian Research, 154 (1) 1-30 doi:10.1016/j.precamres.2006.11.015 | Journal (article/letter/editorial) | | magmatism: Morro do
Afonso Syenite Pluton, Bahia, Brazil
D.C. Rios a,∗ , H. Conceição a , D.W. Davis...Federal University of Bahia, Rua Caetano Moura 123,
40.210-340 Salvador, BA, Brazil
b Jack Satterly Geochronological...1611, CEP 66075-900, Belém, PA, Brazil
d São Paulo University, Brazil
e Companhia Baiana de Pesquisa...Mineral, 4a Avenida 460, CAB, 41760-300 Salvador, BA, Brazil
f Geological Survey of Canada, 601 Booth St., Ottawa...Serrinha
Nucleus, São Francisco Craton, northeastern Brazil. The unit consists predominantly of alkali feldspar | 👁 Image
| | Journal (article/letter/editorial) | | of the Paleoproterozoic Rio Itapicuru
granite-greenstone belt (Bahia, Brazil): the role of synkinematic...Caetano Moura, 123 CEP 40210-340 Salvador, Bahia, Brazil
c Institut Universitaire de France, Paris, France...structural evolution of the Rio Itapicuru greenstone belt (RIGB, Bahia, Brazil) involves two
tectonic events...the RIGB. © 1997 Elsevier Science B,V.
Keywords: Brazil; Greenstone belts; Paleoproterozoic ; Quartz fabrics;...the
Paleoproterozoic Rio Itapicuru greenstone belt
(RIGB, Bahia state, NE Brazil) using structural
and kinematic | 👁 Image
| Chauvet, A., Faure, M., Dossin, I., Charvet, J. (1994) A three-stage structural evolution of the Quadrilátero Ferriífero: consequences for the Neoproterozoic age and the formation of gold concentrations of the Ouro Preto area, Minas Gerais, Brazil. Precambrian Research, 68 (1) 139-167 doi:10.1016/0301-9268(94)90069-8 | Journal (article/letter/editorial) | | concentrations of the Ouro Preto area, Minas Gerais, Brazil
A. C h a u v e t , M . F a u r e , I. D o s s i...the southern part of the S~o Francisco Craton (Brazil), where three major
Proterozoic supracrustal units...Introduction
The Quadril~itero Ferrifero (Minas Gerais,
Brazil), like most of the Archaean greenstone
belts, is...and Figueiredo, 1991; Machado et al., 1992). In Brazil, it
has not been demonstrated whether the metasedimentary...i m u m age of 1700 Ma
and 1729 + 14 Ma, Pb-Pb zircon method), and
related to a late- to post-Transamazonian |
|