Results 81 to 90 of about 4,148,897 (157)

Idades U-Pb (LA-ICPMS) para as suítes Caraguataí e Jussiape, Bloco Gavião, Bahia

open access: yesBrazilian Journal of Geology
Resumo: A área de trabalho encontra-se inserida na porção nordeste do Cráton do São Francisco, no Bloco Gavião. O mapeamento geológico realizado na região de Abaíra-Jussiape permitiu identifcar duas suítes magmáticas, que foram denominadas de Caraguataí ...
Simone Cerqueira Pereira Cruz   +9 more
doaj   +1 more source

O cinturão epidérmico de antepaís da Bacia de Irecê, Cráton do São Francisco: principais elementos estruturais e modelagem física analógica

open access: yesGeologia USP. Série Científica, 2013
Localizada na porção central do estado da Bahia, a Bacia de Irecê exibe as mais significativas exposições de coberturas neoproterozoicas da porção norte do Cráton do São Francisco.
Humberto Luis Siqueira Reis   +3 more
doaj  

The Carrancas Group and the Andrelandia Nappe front in the southern portion of the São Francisco Craton: sedimentary provenance and tectonic implications

open access: yes, 2011
O Sistema de Nappes Carrancas compõe um sistema de nappes que circunda ao sul o Cráton do São Francisco e é formado pela Unidade Biotita Xisto e pelas formações Campestre e São Tomé das Letras do Grupo Carrancas. A Unidade Biotita Xisto contém veios de
Alice Westin Teixeira   +1 more
core   +1 more source

Supplemental Material: Insights into the Phanerozoic evolution of the São Francisco Craton based on detrital zircon thermochronology and U-Pb-Hf geochronology

open access: yes
Table S1: Stratigraphic unit, coordinates, and lithological information from collected samples. Table S2: Detailed zircon fission-track thermochronology and U-Pb detrital zircon data from samples obtained by LA-ICP-MS from São Francisco Craton and ...
et al. (7893743)   +1 more
core   +1 more source

Goldilocks at the dawn of complex life: mountains might have damaged Ediacaran-Cambrian ecosystems and prompted an early Cambrian greenhouse world. [PDF]

open access: yesSci Rep, 2021
Caxito F   +11 more
europepmc   +1 more source

First Precise U-pb Baddeleyite Ages Of 1500ma Mafic Dykes From The São Francisco Craton, Brazil, And Tectonic Implications

open access: yes, 2015
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)The São Francisco Craton (SFC) is an Archaean-Proterozoic craton that hosts a significant number of mafic intrusions. Previous attempts to date the igneous emplacement of these rocks are
Leal A.B.M.   +4 more
core   +1 more source

Chemostratigraphy of the lower Bambuí Group, southwestern São Francisco Craton, Brazil: insights on Gondwana paleoenvironments

open access: yesBrazilian Journal of Geology
: The Bambuí Group, the most extensive carbonate-siliciclastic cover on the São Francisco craton, has been a matter of debate because of its potential correlations to global glacial events.
Matheus Kuchenbecker   +4 more
doaj   +1 more source

Comparisons of the Paleo-Mesoproterozoic large igneous provinces and black shales in the North China and North Australian cratons. [PDF]

open access: yesFundam Res, 2022
Zhang SH   +8 more
europepmc   +1 more source

A mineral potential mapping approach for supergene nickel deposits in southwestern São Francisco Craton, Brazil

open access: yesBrazilian Journal of Geology
: 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

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