Results 11 to 20 of about 319 (119)
We present new petrographic and chemical data together with calculated P-T equilibrium conditions of peridotite xenoliths enclosed in kimberlites from Rondônia, Northern Brazil (Cosmos-1 and Carolina-1) and Minas Gerais, Southeastern Brazil (Canastra-1)
Vidyã Vieira Almeida +4 more
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Provenance and sedimentary analysis of the basal portion of the Bambuí Group at Arcos (MG) [PDF]
The origin and evolution of Bambuí Basin has been a matter of debate, in much intensified by the recent exploratory efforts carried out by public and private companies looking for natural gas.
Matheus Kuchenbecker +5 more
doaj +1 more source
Geoquímica de Gnaisses do Arco Magmático de Goiás na Região Sul do Estado de Goiás [PDF]
Gnaisses graníticos a trondhjemíticos da região de Pontalina, sul do estado de Goiás, mostram composição cálcica acálcio-alcalina, metaluminosa a peraluminosa.
Guillermo Rafael Beltran Navarro +1 more
doaj
Refers to: Unveiling geological complexity in the Serra Dourada Granite using self-organizing maps and hierarchical clustering: Insights for REE prospecting in the Goiás Tin Province, Brasília Belt, Central Brazil. Journal of the Geological Survey of
Guilherme Ferreira da Silva +4 more
doaj +1 more source
Recently, Editora Sorian published the substantial book authored by Luiz José Homem D’el-Rey Silva, entitled The Brasília Belt and Tocantins Province, Central Brazil: Tectonic Evolution and Role in the São Francisco Craton and West Gondwana Build-Up ...
Reinhardt Fuck
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Chemical Characterization of Chromite from the Crominia and Mairipotaba Massifs, Goiás, Brazil [PDF]
Metaultramafi c bodies tectonically emplaced within the metasedimentary sequence of the Araxá Group are associatedwith an ophiolitic melange in southeast Goiás. In the region of Cromínia - Mairipotaba, they occur as lenticular bodiesaligned E-W. Cumulate
Nélson Angeli +3 more
doaj
: The Brasília Belt is one of the most complete Neoproterozoic orogens in western Gondwana. Rapid progress on the understanding of the tectonic evolution of the belt was achieved due to new U-Pb data, combined with Sm-Nd and Lu-Hf analyses. The evolution
Márcio Martins Pimentel
doaj +1 more source
The paper aims to understand Brazilian position in relation to Asia and Belt and Road Initiative (BRI), based on a review of the bibliography and journalistic articles on Brazil-Asia subject and an observance of official data of the Brazilian economy ...
João Paulo Nicolini Gabriel +2 more
doaj +1 more source
Abstract An audiomagnetotelluric (AMT) survey was conducted within the Alto Paranaíba Igneous Province, southeastern Brazil, to delineate shallow occurrences of kamafugite, a rare ultrapotassic volcanic rock worldwide. A dense grid of AMT stations was deployed, allowing the construction of a high‐resolution 3D electrical resistivity model ...
Lucca M. Franco +6 more
wiley +1 more source
: Southwestern São Francisco Craton makes limit with Brasília thrust-fold belt and involves rocks from Archean to formed during the Brasiliano-Pan Africano Neoproterozoic event, including a mafic-ultramafic belt (Morro do Ferro Greenstone Belt) hosted ...
João Gabriel Motta +1 more
doaj +1 more source

