2019
DOI: 10.1016/j.precamres.2018.11.018
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The Neoproterozoic southern passive margin of the São Francisco craton: Insights on the pre-amalgamation of West Gondwana from U-Pb and Hf-Nd isotopes

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Cited by 27 publications
(6 citation statements)
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“…Mineral assemblages in both rocks are incompatible with eclogite facies metamorphic conditions. It may suggest that either the high-pressure conditions calculated here are overestimated or that the Carrancas Group was thrusted over the São Vicente Complex after metamorphic peak conditions, and that they are, therefore, unrelated as suggested by recent data (Westin et al 2016(Westin et al , 2019.…”
Section: Samplementioning
confidence: 66%
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“…Mineral assemblages in both rocks are incompatible with eclogite facies metamorphic conditions. It may suggest that either the high-pressure conditions calculated here are overestimated or that the Carrancas Group was thrusted over the São Vicente Complex after metamorphic peak conditions, and that they are, therefore, unrelated as suggested by recent data (Westin et al 2016(Westin et al , 2019.…”
Section: Samplementioning
confidence: 66%
“…An alternative interpretation for the provenance of the basal lithofacies (A1 and A2 -biotite gneiss interlayered with schist and quartzite; Fig. 1, from Andrelândia Megasequence) is that these rocks belong to the Paleoproterozoic and have affinity with fore arc basin and trench deposits (Westin et al 2016(Westin et al , 2019. According to Westin et al (2016Westin et al ( , 2019, the A1 and A2 lithofacies are called São Vicente Complex and are not related neither to the Carrancas Group nor Andrelândia Mega-sequence.…”
Section: Geological Settingmentioning
confidence: 99%
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“…The Carrancas Nappe is mainly composed of quartzite and graphite-bearing metapelite. It displays in its front an inverted metamorphic pattern from greenschist to lower amphibolite facies (Campos Neto et al, 2004;Trouw et al, 2000;Westin et al, 2019;Westin and Campos Neto, 2013). The peak conditions in this section were achieved between 590-575 Ma (Campos Neto et al, 2011;Machado et al, 1996;Valeriano et al, 2004;Valladares et al, 2004).…”
Section: Southern Brasilia Orogen (Sbo)mentioning
confidence: 90%
“…A Figura 7.11 mostra gráfico comparativo da distribuição das idades U-Pb obtidas em cristais de zircão detrítico para a unidade Serra do Ibituruna e unidades pertencentes aos Grupos Canastra (Rodrigues et al, 2010), Araxá (Falci et al, 2018), Carrancas (Westin et al, 2019), Andrelândia (Frugis et al, 2018) e ao Complexo São Vicente .…”
Section: Idade De Deposição E Correlaçõesunclassified