👁 Image
| | Journal (article/letter/editorial) | | Volcanic and Granitic
Rocks of Pitinga Province, Amazonian
Craton, Northern Brazil
a
b
H. T. Costi , R. Dall'agnol...de Geociencias , CP 1611,
66075-900, Belem, PA, Brazil
b
Dep. Geoquimica e Petrologia , Universidade...de Geociencias , CP 1611, 66075-900, Belem, PA, Brazil
c
Lab. Geologia Isotópica (Pará-Iso) , Universidade...de Geociéncias , CP 1611, 66075-900, Belem, PA, Brazil
Published online: 06 Jul 2010.
To cite this article:...Volcanic and Granitic Rocks of Pitinga Province,
Amazonian Craton, Northern Brazil, International Geology Review | 👁 Image
| | Journal (article/letter/editorial) | | MADEIRA CRYOLITE ALBITE-RICH GRANITE
OF PITINGA, AMAZONIAN CRATON, BRAZIL:
PETROGRAPHY, MINERALOGY AND CRYSTALLIZATION...Federal do Pará, CP 8608, 66075–100, Belém, PA, Brazil
Roberto DALL’AGNOL
Instituto de Geociências, Universidade...Federal do Pará, CP 8608, 66075–100, Belém, PA, Brazil
Michel PICHAVANT
Institut des Sciences de la Terre...albite-rich granite of the Pitinga province, exploited at the Pitinga mine, in
northern Brazil, crystallized from...cryolite, immiscibility, Madeira granite, Pitinga mine, Brazil.
Sommaire
Le granite subsolvus de Madeira | 👁 Image
| Bastos Neto, Artur C., Ferron, José T.M.M., Chauvet, Alain, Chemale, Farid, de Lima, Evandro F., Barbanson, Luc, Costa, Clovis F.M. (2014) U–Pb dating of the Madeira Suite and structural control of the albite-enriched granite at Pitinga (Amazonia, Brazil): Evolution of the A-type magmatism and implications for the genesis of the Madeira Sn–Ta–Nb (REE, cryolite) world-class deposit. Precambrian Research, 243. 181-196 doi:10.1016/j.precamres.2013.12.021 | Journal (article/letter/editorial) | | control of the
albite-enriched granite at Pitinga (Amazonia, Brazil): Evolution of the
A-type magmatism and...Gonçalves 9500, CEP 91501-970 Porto Alegre, RS, Brazil
Programa de Pós-graduação em Geociências, Instituto...Geociências, Universidade Federal do Rio Grande do Sul, Brazil
c
Centre Nationale des Recherches Scientifiques...Asa Norte, 70910-900 Brasília, Distrito Federal, Brazil
e
University of Orléans, CNRS/INSU, University...Available online 18 January 2014
Keywords:
Amazonian
Pitinga
Madeira deposit
Albite-enriched granite
A-type | 👁 Image
| | Journal (article/letter/editorial) | | Chemical characteristics of zircon from A-type granites and comparison
to zircon of S-type granites
Karel...Pará, Caixa Postal 8608, 66075-100 Belém, Pará, Brazil
Vale Institute of Technology, Rua Boaventura da...da Silva, 955, 66055-090 Belém, Pará, Brazil
a r t i c l e
i n f o
Article history:
Received 17 October...February 2014
Keywords:
Zircon
A-type granites
S-type granites
Wiborg batholith
Brazil
Krušné Hory/Erzgebirge...(Wiborg batholith, Finland and Pará,
Amazonas and Goiás states, Brazil) and Variscan (Krušné Hory/Erzgebirge | 👁 Image
| Bastos Neto, A. C., Pereira, V. P., Ronchi, L. H., de Lima, E. F., Frantz, J. C. (2009) THE WORLD-CLASS Sn, Nb, Ta, F (Y, REE, Li) DEPOSIT AND THE MASSIVE CRYOLITE ASSOCIATED WITH THE ALBITE-ENRICHED FACIES OF THE MADEIRA A-TYPE GRANITE, PITINGA MINING DISTRICT, AMAZONAS STATE, BRAZIL. The Canadian Mineralogist, 47 (6) 1329-1357 doi:10.3749/canmin.47.6.1329 | Journal (article/letter/editorial) | | THE MADEIRA A-TYPE GRANITE, PITINGA MINING DISTRICT,
AMAZONAS STATE, BRAZIL
Artur C. BASTOS NETO§ and Vitor...Gonçalves 950,
CEP 91540–970, Porto Alegre, RS, Brazil
Luiz H. RONCHI
Centro de Desenvolvimento Tecnológico...Domingos Rodrigues, no. 2, 96010–440 Pelotas, RS, Brazil
Evandro F. de LIMA and José C. FRANTZ
Instituto...RS, Brazil
Abstract
The Madeira deposit, in the Pitinga mining district, Amazonas State, Brazil, is...transported
by F-bearing complexes in the melt. Zircon crystallization, inhibited at the early magmatic | 👁 Image
| | Journal (article/letter/editorial) | | 201-C, Salvador, 40170-290, Bahia, Brazil
b
Geological Survey of Brazil (CPRM)-Av. Pasteur, 404, Urca, Rio...Rio de Janeiro, 22290-240, Rio de Janeiro, Brazil
Received 2 May 2004; accepted 1 May 2006
Available...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 deposit | 👁 Image
| | Journal (article/letter/editorial) | | conditions prevented crystallization of magmatic
zircon or more exotic Zr silicates and made possible the...elemental geochemical,
Nd isotope geochemical, and U–Pb zircon geochronological data
on the Neoarchean, syntectonic...suite in Carajás,
Amazonian craton (east-central Brazil). They show that the granites,
charnockites, and...Australia. The authors evaluate
new Lu–Hf data on zircon, whole rock geochemistry, and Sm–Nd isotope data...(IOCG)-type mineralization. Their work demonstrates that zircon
studies can be a successful approach for identifying | 👁 Image
| | Journal (article/letter/editorial) | | Central Iberian Massif (Recio et al., 1997), Água Boa pluton,
Brazil (Borges et al., 2009; Costi et al., 2002)...fluor-apatite, Ca-REE fluorocarbonates and relics of
igneous zircon. Microcline is almost fully ordered with triclinity...along with chlorite, quartz, calcite and hematite.
Zircon crystals appear identical to those in the surrounding...hematite + calcite + quartz + muscovite ±
thorite. Zircon crystals are not altered.
The assemblages infilling...converted to martite associated with ankerite. Zircon has resisted alteration,
whereas all igneous apatites | 👁 Image
| | Journal (article/letter/editorial) | | Proterozoic Mangabeira tin–indium mineralization,
Central Brazil: Evidence from geology, petrology, fluid inclusion...Instituto de Geociências, Brasília, DF 70910-900, Brazil
Department of Geological Sciences and Geological...A-type granite
Fluid inclusion
Stable isotopes
Brazil
a b s t r a c t
The Mangabeira deposit is the...granitic magmatism in the Goias Tin Province, Central Brazil.
© 2013 Elsevier B.V. All rights reserved.
1....these deposits are not well
constrained.
In central Brazil, the ca. 1.7–1.8 Ga within-plate granites, which |
|