The generation and evolution of the Archean continental crust: The granitoid story in southeastern Brazil

Rodrigo S. Marimon,Chris J. Hawkesworth,Elton L. Dantas,Rudolph A.J. Trouw,Wilson Teixeira,Peter C. Hackspacher,Allen Fetter,Ciro A. Ávila,Silvia Volante, Atlas V. Corrêa Neto,Everton M. Bongiolo,Rodrigo Vinagre, Maurício Simon

Geoscience Frontiers（2022）

引用 6|浏览11

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摘要

•3.1–2.6 Ga granitoids from the Southern São Francisco Craton and S. Brasília Orogen.•Petrogenesis of TTG, A-types, transitional granitoids and biotite- two-mica granites.•Inferred sources of TTG located in greenstone belts from the Southern São Francisco.•TTG compositional diversity attributed to different pressures during partial melting.•Sequence of emplacement and granitoid composition indicate plate tectonic processes.

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关键词

Granitoid petrogenesis,Archean geodynamics,Crustal evolution,TTGs,A-types,Batch melting calculations

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