Geochemistry, Geophysics, GeosystemsThe Goiás Magmatic Arc (GMA) is a Neoproterozoic juvenile terrain formed through oceanic‐oceanic and oceanic‐continental subduction. It comprises three main segments: Mara Rosa, Anicuns‐Itaberaí (GMAAI), and Arenópolis (GMAA), whose tectonic evolution ...
J. G. C. Inacio +4 more
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Characterization and Geological Meaning of the Crystalline Basement Occurrence in the Unaí Region, Minas Gerais State (Central Brasilia Belt) [PDF]
, 2023 Granitoid rocks petrographically and compositionally characterized as tonalite, monzonite granodiorite and granite were observed in restricted areas in the central portion of the external zone of the Brasilia Belt.
Campos, José Eloi Guimarães +1 more
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Gold in sericite-quartz hydrothermalites controled by brasiliano conjugate shear zones in the cavalcante (gq) region, central, Brazil [PDF]
, 1998 In the Cavalcante area, north-northeastern part of the Goiás State, Central Brazil(coordinates 47° 30 - 47° 20 W and 13° 40 -13° 50 S), about eighty lens-shaped bodies of sericite-quartz S-C mylonites have been mapped andmost of them are along dextral ...
Senna Filho, Virdálio +1 more
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Geochimica Brasiliensis, 2014 The Bois River Headwaters Suite of, Rosa Mara-Nova Iguaçu (Goiás, Brazil) region, are granitoids to granodioritic and tonalitic with peraluminous characteristics, as distinguished granodiorite VI, granodiorite MU and tonalite SJ, which host gold ...
Said Abdallah
doaj
ナイジェリアに分布するサハラ縦断造山帯の岩石学および変成温度圧力経路 [PDF]
, 2018 筑波大学 (University of Tsukuba ...
Ugwuonah Emmanuel Nwachukwu
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Nature and evolution of paleoproterozoic Sn and rare metal albitites from Central Brazil : constraints based on textural, geochemical, Ar-Ar, and oxygen isotopes [PDF]
, 2018 Economic and subeconomic concentrations of Sn, In, rare earth elements (REE), Ta, and Nb are known in Central Brazil, in the Goias Tin Province. The Sn-P enriched albitites studied in this paper occur in sharp contact with peraluminous granites of the ...
Botelho, Nilson Francisquini +3 more
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The Gondwana-South America Iapetus margin evolution as recorded by Lower Paleozoic units of western Precordillera, Argentina: The Bonilla Complex, Uspallata [PDF]
, 2013 Terrane, accreted to Gondwana South America during Ordovician times. The Bonilla Complex, which represents the southern tip of the Precordillera, is constituted of metasedimentary rocks of internal and external platform environments.
Benedini, Leonardo +2 more
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Geologia, geocronologia e geoquímica do embasamento granítico paleoproterozóico em natividade, Faixa Brasília Norte [PDF]
, 2015 Dissertação (mestrado)—Universidade de Brasília, Instituto de Geociências, 2015.O embasamento paleoproterozóico da Faixa Brasília corresponde ao terreno granítico exposto no segmento norte da faixa.
Sousa, Isabela Moreno Cordeiro de
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, 2015 The Arenópolis volcano-sedimentary sequence is located in the southern part of the Goiás Magmatic Arc and includes a ca. 900 Ma calc-alkaline arc sequence made of volcanic rocks ranging in composition from basalts to rhyolites, metamorphosed under ...
Armstrong, Richard +2 more
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Petrografia e Geoquímica do Complexo Charnockítico de Aimorés: Um Exemplo de Plutonismo Pós-orogênico do Cinturão Araçuaí/Ribeira =Petrography and Geochemistry of the Aimorés Charnockitic Complex: An Example of Post-orogenic Plutonism of the Araçuaí/Ribeira Belt [PDF]
, 2011 http://geologiausp.igc.usp.br//downloads/geoindex767.pdfInternational audienceO Complexo Aimorés corresponde a um corpo multi-intrusivo anelar com cerca de 150 km2 de exposição.
Bilal, Essaïd +2 more
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