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Belmonte Brazil

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Series: Reviews in Economic Geology, Reviews in Economic Geology
Published: 01 January 2008
DOI: 10.5382/Rev.15.03
EISBN: 9781629490229
... Brazil (Fig. 15 ) preserves several volcano-sedimentary sequences of dominantly very low metamorphic grade. Together, these comprise the poorly defined Itacaiúnas Supergroup. The ca 2.76 Ga Grão Pará Group contains a sequence of mafic-volcanic rocks and BIF units. The latter contain jaspilites...
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Series: Reviews in Economic Geology, Reviews in Economic Geology
Published: 01 January 2008
DOI: 10.5382/Rev.15.16
EISBN: 9781629490229
..., exploration for high-grade iron ores shifted to more remote parts of the world (Fig. 2 ). Enormous resources of high-grade iron ore were first found in the Transvaal of South Africa (Thabazimbi, 1901; Sishen, 1926) and later in Western Australia (Mount Whaleback, 1957) and central Brazil (Carajas, 1967...
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Journal Article
Journal: Economic Geology
Published: 01 December 2004
Economic Geology (2004) 99 (8): 1793–1800.
... these deposits occur in five continents ( Fig. 1 ), the Carajás province in Brazil and the Hamersley province in Western Australia account for the bulk of the world’s resources and more than half of the world’s seaborne trade in iron ore. Other significant economic deposits occur in the Transvaal of South...
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Journal Article
Published: 01 January 2008
American Mineralogist (2008) 93 (1): 1–6.
... São Paulo, Rua do Lago, 562, 05508-080, São Paulo, SP, Brazil, and in the Museu de Ciências Naturais Jobas “José Bonifácio de Andrada e Silva,” Santos, SP, Brazil. The mineral described in this paper is identical with that of Fanfani et al. (1977) , described as “triclinic roscherite;” both...
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Journal Article
Journal: Palynology
Published: 22 July 2020
Palynology (2020) 44 (3): 539–550.
... spectrum showing the frequency classes (Louveaux et al. 1978 ) and frequency of occurrence (Feller-Demalsy et al. 1987 ) of the pollen types found in samples of honeys of Apis mellifera L. from the districts of the Discovery Coast, Bahia state, Brazil: BL, Belmonte; EU, Eunápolis; GU, Guaratinga...
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Journal Article
Journal: Economic Geology
Published: 01 September 2014
Economic Geology (2014) 109 (6): 1529–1562.
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Journal Article
Journal: Geology
Published: 01 March 2006
Geology (2006) 34 (3): 173–176.
.... , and Vasconcelos , P.M. , 2006 , 40Ar/ 39Ar geochronology constraints on late Miocene weathering rates in Minas Gerais , Brazil : Earth and Planetary Science Letters , v. 241 , p. 80 – 94 . Farley , K.A. , 2002 , (U-Th)/He dating: Techniques, Calibrations, and Applications , : in Porcelli...
FIGURES
Journal Article
Journal: Interpretation
Published: 06 December 2017
Interpretation (2018) 6 (1): T51–T60.
... mining companies in Brazil. He has comprehensive experience in constructing complex GIS cartographic bases and databases and relevant experience as a GIS instructor/consultant for the technical staffs in various mining companies. Figure 13. Relationship of the parameters of thermal maturation ( S...
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Journal Article
Published: 01 July 2018
European Journal of Mineralogy (2018) 30 (4): 827–834.
...Anthony R. Kampf; George R. Rossman; Chi Ma; Donato Belmonte; Cristian Biagioni; Fabrizio Castellaro; Luigi Chiappino Ramazzoite (IMA2017-090), [Mg 8 Cu 12 (PO 4 )(CO 3 ) 4 (OH) 24 (H 2 O) 20 ][(H 0.33 SO 4 ) 3 (H 2 O) 36 ], is a new polyoxometalate (POM) mineral from the Monte Ramazzo mine, near...
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Journal Article
Journal: Economic Geology
Published: 01 March 2005
Economic Geology (2005) 100 (2): 203–224.
... from ca. 2.75 to 2.60 Ga, in particular, cannot be a sampling artifact, as such terranes are known from all continents (e.g., Yilgarn craton of Australia, southern Superior and Slave provinces of Canada, Zimbabwe craton, Tanzania craton, and Sao Francisco craton of Brazil), and robust geochronologic...
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Journal Article
Journal: Economic Geology
Published: 01 March 2012
Economic Geology (2012) 107 (2): 275–294.
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Series: Geological Society, London, Special Publications
Published: 02 December 2019
DOI: 10.1144/SP488-2017-275
EISBN: 9781786204639
... Brazil, and connected basins and major faults (based on Schobbenhaus et al. 1984 ; Assine 1992 ). Basins: A, Araripe; AL, Alagoas; B, Betânia; C, Cedro; F, Fátima; I, Iguatu; J, Jatobá; LM, Lavras da Mangabeira; P, Potiguar; PA, Parnaíba; PB, Paraíba; PE, Pernambuco; RP, Rio do Peixe; SE, Sergipe...
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Series: Geological Society, London, Special Publications, Geological Society, London, Special Publications
Published: 01 January 2013
DOI: 10.1144/SP369.21
EISBN: 9781862396173
... characteristic of almost all Brazilian and West African marginal basins. However, rocks ascribed to the Cabo Granite (104 Ma) are observed in NE Brazil. In West Africa, sparse Aptian–Albian ages are observed in a few coastal igneous centres. In the SE Brazilian margin, an east–west alkaline magmatic trend...
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Journal Article
Journal: GSA Bulletin
Published: 01 November 2015
GSA Bulletin (2015) 127 (11-12): 1645–1665.
... isotope stage 7 (MIS 7) Belmont Formation reveals that coastal deposition was divided into two phases. S1, which includes foreshore and shoreface progradation, is predominantly marine and coincided with rising relative sea level. S2, which commenced with protosol development on top of the marine section...
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Journal Article
Published: 01 December 2014
Mineralogical Magazine (2014) 78 (7): 1571–1587.
...: the Habachtal (Austria) and Leydsdorp (Transvaal, South Africa) deposits . Economic Geology , 84 , 1835 – 1849 . Hänni H.A. Schwarz D. Fischer M. ( 1987 ) The emeralds of the Belmont Mine, Mine Gerais, Brazil . Journal of Gemmology , 20 , 446 – 456 . Just E. ( 1926...
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Journal Article
Published: 01 January 2008
Journal of Foraminiferal Research (2008) 38 (1): 23–38.
... as protection to coastal areas. Coral reefs are also sensitive indicators that monitor global change. Since the colonization of Brazil, man has abused the local coral reefs, principally through the influence of sediments and pollution (caused by increasing urban and industrial development in coastal regions...
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Journal Article
Published: 22 December 2020
Bulletin of the Seismological Society of America (2021) 111 (2): 1067–1079.
... waveform data recorded by a three‐component broadband seismograph installed at the St. Peter and St. Paul Archipelago Scientific Station on the Belmonte islet (ASPSP; de Melo and do Nascimento, 2018 ). This station is operated by the Seismological Laboratory of Federal University of Rio Grande do Norte...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP463.7
EISBN: 9781786203441
... (separating West and East Gondwana) during the Jurassic. Soon after, the opening of the South Atlantic in the early Cretaceous from around 130 Ma took place only about 4–5 myr from the onset of the Paraná–Etendeka LIP, which affected vast areas in Brazil and parts of Namibia. The architecture...
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Journal Article
Published: 01 December 2015
European Journal of Mineralogy (2015) 27 (6): 783–792.
... Y. Morteani G. ( 2002 ): The pegmatites of the Nova Era-Itabira-Ferros pegmatite district and the emerald mineralisation of Capoeirana and Belmont (Minas Gerais, Brazil): geochemistry and Rb-Sr dating . J. South Am. Earth Sci. , 14 , 867 – 887 . Proctor K. ( 1988...
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Series: GCSSEPM, GCSSEPM
Published: 01 December 2015
DOI: 10.5724/gcs.15.34.0856
EISBN: 978-1-944966-00-3
... Abstract The rifted continental margins off Brazil and West Africa encompass several morphological distinct regions that resulted from the plate separation and subsequent drift of South America and Africa. The main building blocks that controlled the development of the Atlantic-type...