Search Results - "Oliveira, Elson P."

Detrital zircons in crustal evolution; a perspective from the Indian Subcontinent by Joshi, Kumar Batuk, Banerji, Upasana S, Dubey, Chandra Prakash, Oliveira, Elson P

“…Detrital zircons are frequently used for crustal evolutionary studies as they sample vast regions of the continental crust. In the present study, we utilise…”
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Birthplace of the São Francisco Craton, Brazil: Evidence from 3.60 to 3.64 Ga Gneisses of the Mairi Gneiss Complex by Oliveira, Elson P., McNaughton, Neal J., Zincone, Stefano A., Talavera, Cristina

“…Records of Earth's primitive crust are scarce. Eoarchean (older than 3.6 Ga) banded mafic to felsic gneisses have been discovered in the São Francisco Craton,…”
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Geochemistry and petrogenesis of sanukitoids and high-K anatectic granites from the Bundelkhand Craton, India: Implications for late-Archean crustal evolution by Singh, Pradip K., Verma, Sanjeet K., Singh, Vinod K., Moreno, Juan A., Oliveira, Elson P., Mehta, Pankaj

“…•There are sanukitoids and anatectic granites in the Bundelkhand Craton.•U-Pb zircon dating of a sanukitoid yielded a crystallization age of…”
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A conceptual model for the evolution of a magmatic system based on U-Pb zircon studies on the Devonian granites of Sierra de San Luis, Argentina by Dahlquist, Juan A., Morales Cámera, Matías M., Moreno, Juan A., Basei, Miguel A.S., Santos da Cruz, Gilmara, Oliveira, Elson P.

“…It is widely acknowledged that thermal models clearly demonstrate that crustal magma bodies should solidify rapidly upon emplacement. Small plutons can cool…”
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U-Pb baddeleyite dating of the Proterozoic Pará de Minas dyke swarm in the São Francisco craton (Brazil) - implications for tectonic correlation with the Siberian, Congo and North China cratons by Cederberg, Julia, Söderlund, Ulf, Oliveira, Elson P., Ernst, Richard E., Pisarevsky, Sergei A.

“…U-Pb baddeleyite ages demonstrate the presence of three dyke generations within the NW-trending Pará de Minas swarm (São Francisco craton, South America),…”
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Geophysical data reveal a tectonic indentation and constrain the transition zone between the São Francisco Craton and the Borborema Paleoplates across the Neoproterozoic Sergipano Orogen, beneath the Cretaceous Tucano Basin, NE Brazil by Corrêa-Gomes, Luiz C., Batista, Joelson C., Sampaio, Edson E.S., Oliveira, Elson P., Barbosa, Johildo S.F., Vitorello, Ícaro

“…Geophysical techniques can improve knowledge about the deep structures of collisional orogens. Therefore, magnetotelluric and gravimetric data were combined in…”
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Application of 55 multi-dimensional tectonomagmatic discrimination diagrams to Precambrian belts by Verma, Surendra P., Verma, Sanjeet K., Oliveira, Elson P.

“…Fifty-five new multi-dimensional diagrams, mostly based on log-ratio transformations, were used to decipher tectonic settings for 17 cases of Precambrian belts…”
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Plate tectonic settings for Precambrian basic rocks from Brazil by multidimensional tectonomagmatic discrimination diagrams and their limitations by Verma, Sanjeet K., Oliveira, Elson P., Verma, Surendra P.

“…Multidimensional discrimination diagrams (2006-2011) for basic and ultrabasic igneous rocks were applied to Precambrian rock suites from the Amazonian and São…”
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Heavy minerals in provenance studies: an overview by Joshi, Kumar Batuk, Banerji, Upasana S., Dubey, Chandra Prakash, Oliveira, Elson P.

“…Over the past few decades, the advent of sophisticated imaging and in situ measurements as well as data deconvolution techniques have led to remarkable…”
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Tectonic Implications of the Combined Use of Tectonomagmatic Geochemical Discrimination Diagrams and Indicators of Magma Flow Sense in Mafic Dykes by OLIVEIRA, Elson P., VERMA, Sanjeet K.

“…<正>Geochemistry is a powerful tool to help characterize the tectonic setting of igneous rocks associations.However,when continental mafic dykes and flood…”
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Petrogenesis and geodynamic implications of Oligocene A-type granite in the Guadalcazar area, San Luis Potosi, central Mexico by Verma, Sanjeet K., Torres-Sánchez, Darío, de León Hernández, Diego A., Oliveira, Elson P., Hernández-Martínez, Karla R., Torres-Sánchez, Sonia A., Hernández, José R. Torres, Moreno, Juan A., Shukla, Mayank, Malviya, Vivek P.

“…The Guadalcazar is located in the Mesa Central (MC) province, which is mainly composed of granitic rocks and is known for its metallogenetic. The granitic…”
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The Fazenda Gavião granodiorite and associated potassic plutons as evidence for Palaeoproterozoic arc-continent collision in the Rio Itapicuru greenstone belt, Brazil by Costa, Felipe G., Oliveira, Elson P., McNaughton, Neal J.

“…Several granitic plutons have intruded the Palaeoproterozoic Rio Itapicuru greenstone belt, São Francisco craton, Brazil, in the time interval 2163-2080 Ma,…”
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Precambrian Dykes in the São Francisco Craton Revisited: Geochemical-isotopic Signatures and Tectonic Significance by TEIXEIRA, Wilson, GIRARDI, Vicente A. V., Mazzucchelli, Maurizio, OLIVEIRA, Elson P., CORRÊA DA COSTA, Paulo C.

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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 by Oliveira, Elson P, Windley, Brian F, McNaughton, Neal J, Pimentel, Marcio, Fletcher, Ian R

“…The northern segment of the Palaeoproterozoic Itabuna–Salvador–Curaçá collisional orogen in the São Francisco craton (Brazil) comprises two high-grade terranes…”
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Field and geochronological evidence for origin of the Contendas-Mirante supracrustal Belt, São Francisco Craton, Brazil, as a Paleoproterozoic foreland basin by Zincone, Stefano A., Oliveira, Elson P.

“…•The Contendas-Mirante supracrustal belt developed between ca. 2.08– and 2.04Ga.•Basin infill during Paleoproterozoic continent-continent collision.•The main…”
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Reconnaissance U–Pb geochronology of Precambrian quartzites from the Caldeirão belt and their basement, NE São Francisco Craton, Bahia, Brazil: implications for the early evolution of the Paleoproterozoic Itabuna–Salvador–Curaçá orogen by Oliveira, Elson P, Mello, Edson F, McNaughton, Neal

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LA–ICP–MS zircon U Pb dating, Lu Hf, Sm Nd geochronology and tectonic setting of the Mesoarchean mafic and felsic magmatic rocks in the Sangmelima granite-greenstone terrane, Ntem Complex (South Cameroon) by Akame, Joseph Martial, Oliveira, Elson P., Poujol, Marc, Hublet, Geneviève, Debaille, Vinciane

“…The Ntem Complex represents the northwestern margin of Congo Craton in southern Cameroon. It consists mainly of charnockites, TTG suites, potassic grantitoids,…”
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LA-SF-ICP-MS zircon U–Pb geochronology of granitic rocks from the central Bundelkhand greenstone complex, Bundelkhand craton, India by Verma, Sanjeet K., Verma, Surendra P., Oliveira, Elson P., Singh, Vinod K., Moreno, Juan A.

“…•The ages of the granites and TTG rocks of the Bundelkhand craton were reviewed.•We provided new LA-SF-ICP-MS zircon U–Pb ages.•We obtained three more new ages…”
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Geochronology and petrogenesis of the TTG gneisses and granitoids from the Central Bundelkhand granite-greenstone terrane, Bundelkhand Craton, India: Implications for Archean crustal evolution and cratonization by Singh, Pradip K., Verma, Sanjeet K., Singh, Vinod K., Moreno, Juan A., Oliveira, Elson P., Li, Xian-Hua, Malviya, Vivek P., Prakash, Divya

“…•First report of two discrete episodes of Neoarchean TTG magmatism in the BC.•3.34 Ga TTG pluton in the eastern part of the BC.•Six major periods of felsic…”
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U-Pb geochronology of the 2.0 Ga Itapecerica graphite-rich supracrustal succession in the São Francisco Craton: Tectonic matches with the North China Craton and paleogeographic inferences by Teixeira, Wilson, Oliveira, Elson P., Peng, Peng, Dantas, Elton L., Hollanda, Maria H.B.M.

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