Disclosing the Paleoarchean to Ediacaran history of the São Francisco craton basement: The Porteirinha domain (northern Araçuaí orogen, Brazil)
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- 作者：Luiz Carlos da Silvaa ; b ; luiz.silva@cprm.gov.br" class="auth_mail" title="E-mail the corresponding author ; Antonio Carlos Pedrosa-Soaresc ; Richard Armstrongd ; Claiton Piva Pintob ; Joana Tiago Reis Magalhã ; esa ; c ; Marco Auré ; lio Piacentini Pinheiroa ; Gabriella Galliac Santosc
- 关键词：SHRIMP ages ; Sã ; o Francisco Craton ; Porteirinha Complex ; Paleoarchean age ; Paleoproterozoic ages ; Neoproterozoic overprinting ; The 3.4 Ga basement of the Araç ; uaí ; orogen
- 刊名：Journal of South American Earth Sciences
- 出版年：2016
- 出版时间：July 2016
- 年：2016
- 卷：68
- 期：Complete
- 页码：50-67
- 全文大小：7383 K
文摘
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A Paleoarchean (ca. 3.4 Ga) record from a TTG gneiss the São Francisco craton basement.
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Early Mesoarchean (ca. 3.15 Ga) metamorphic overprinting on the Paleoarchean gneiss.
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Siderian-Rhyacian-Orosirian links across the São Francisco craton basement.
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Orosirian and Ediacaran overprinting on Archean and Paleoproterozoic former cratonic segments.