Tatiana Gonçalves Dias

Universidade Federal de Minas Gerais

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Fabrício de Andrade Caxito

Universidade Federal de Minas Gerais

Alexandre Uhlein

Universidade Federal de Minas Gerais

Antônio Carlos Pedrosa‐Soares

Universidade Federal de Minas Gerais

Vitor Barrote

Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences

Ivo Dussin

Universidade do Estado do Rio de Janeiro

Steffen Hagemann

University of Western Australia

Júlio Carlos Destro Sanglard

Petrobras (Brazil)

Elton Luiz Dantas

Instituto de Geociencias

Gabriel J. Uhlein

Universidade Federal de Minas Gerais

Ross Stevenson

Université du Québec à Montréal

Cooperative Institutions

Universidade Federal de Minas Gerais

Instituto de Geociencias

Universidade Federal de Ouro Preto

National Council for Scientific and Technological Development

Universidade de Brasília

Université du Québec à Montréal

Escola Superior de Ciências da Saúde

Serviço Geológico do Brasil - CPRM

Universidade Federal do Rio Grande do Sul

University of Western Australia

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Ediacaran - Cambrian fluid flow in Archean orogenic gold deposits: Evidence from U–Pb SHRIMP hydrothermal monazite ages of the metaturbidite-hosted Córrego do Sítio and Pilar deposits, Quadrilátero Ferrífero, Brazil

Journal of South American Earth Sciences (2022)

Tatiana Gonçalves Dias Rosaline Cristina Figueiredo e Silva Lydia Maria Lobato Fabrício de Andrade Caxito Steffen Hagemann

Greenstone belt

10.1016/j.jsames.2022.103844

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Citations (1)

U-Pb and Lu-Hf isotopic analysis of detritic zircon from kinzigitic gneiss (Jequitinhonha Complex, Araçuaí Orogen): ediacaran carbon storage age restriction

Fernando Estevão Rodrigues Crincoli Pacheco Fabrício de Andrade Caxito Antônio Carlos Pedrosa‐Soares Tatiana Gonçalves Dias Ivo Dussin

Carbon fibers

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Age, provenance and tectonic setting of the high-grade Jequitinhonha Complex, Araçuaí Orogen, eastern Brazil

Brazilian Journal of Geology (2016)

Tatiana Gonçalves Dias Fabrício de Andrade Caxito Antônio Carlos Pedrosa‐Soares Ross Stevenson Ivo Dussin

ABSTRACT: The Jequitinhonha Complex of the northeastern Araçuaí orogen is an extensive sedimentary unit metamorphosed in the amphibolite-granulite facies transition around 580-545 Ma. The unit consists of Al-rich (kinzigitic) paragneisses with decametric intercalations of graphite gneisses and quartzites, and centimetric to metric lenses of calcsilicate rocks. A new detrital zircon U-Pb age spectrum is reported for a sample of quartzite, and whole-rock geochemical (major and trace elements, 9 samples) and Sm-Nd isotope data (10 samples) for Jequitinhonha Complex paragneiss. Together with published data these show that: (1) the geochemistry of paragneiss samples of the Jequitinhonha Complex are similar to those of passive margin sedimentary protoliths; (2) detrital zircon data yield U-Pb age populations between ca. 0.9 and 2.5 Ga; and (3) Sm-Nd TDM model ages range from 1.6 to 1.8 Ga and εNd(575 Ma) around -7.5. The data reveal a mixture of Cryogenian to Mesoproterozoic rift-related igneous rocks with the Palaeoproterozoic-Archaean basement rocks of the São Francisco-Congo palaeocontinent as the main source areas, and also support the correlation between the Jequitinhonha Complex and the passive margin units of the upper Macaúbas Group, constituting the precursor basin of the orogen. Our results, with the absence of ophiolites in the Jequitinhonha Complex, reinforce the interpretation that the São Francisco-Congo palaeocontinent was not divided to the north of the focused region, suggesting an ensialic termination of a gulf during the Neoproterozoic.

Basement

Protolith

10.1590/2317-4889201620160012

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Citations (22)

Marinoan glaciation in east central Brazil

Precambrian Research (2012)

Fabrício de Andrade Caxito Galen P. Halverson Alexandre Uhlein Ross Stevenson Tatiana Gonçalves Dias

Diamictite

Dolostone

Snowball Earth

10.1016/j.precamres.2012.01.005

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Citations (116)

Detrital zircon U-Pb and Lu-Hf data for a kinzigitic gneiss (Jequitinhonha Complex, Araçuaí Orogen, SE Brazil) constrain the age of a huge storage of Ediacaran carbon

Journal of South American Earth Sciences (2020)

Fernando Estevão Rodrigues Crincoli Pacheco Fabrício de Andrade Caxito Antônio Carlos Pedrosa‐Soares Ivo Dussin Tatiana Gonçalves Dias

Basement

Geochronology

10.1016/j.jsames.2020.102709

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Citations (11)

Multiproxy geochemical and isotope stratigraphy records of a Neoproterozoic Oxygenation Event in the Ediacaran Sete Lagoas cap carbonate, Bambuí Group, Brazil

Chemical Geology (2018)

Fabrício de Andrade Caxito Robert Frei Gabriel J. Uhlein Tatiana Gonçalves Dias Trygvi Bech Árting

Dolostone

Snowball Earth

10.1016/j.chemgeo.2018.02.007

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Citations (52)

Depositional systems and stratigraphic review proposal of the Rio Preto Fold Belt, northwestern Bahia/southern Piauí

Revista Brasileira de Geociências (2012)

Fabrício de Andrade Caxito Alexandre Uhlein Júlio Carlos Destro Sanglard Tatiana Gonçalves Dias Mônica de Cássia Oliveira Mendes

The Rio Preto Fold Belt borders the northwestern São Francisco Craton margin, in northwestern Bahia state. The precursor basin to the fold belt is represented by the km-thick Canabravinha Formation, composed of lithic quartzite, phyllite, sandy-pelitic metarhythmite, metadiamictite, and locally metamarl. Its deposition occurred on a submarine slope-apron dominated by gravitational flows like mud flows and turbidity currents in an east-west trending asymmetric rift or hemi-graben, bounded by a faulted border on the south and a possible flexural border towards the north. The sediment supply came mostly downslope from the São Francisco Craton to the south. In the northern portion of the fold belt, the Formosa Formation probably represents part of the Paleoproterozoic basement, composed of garnet-mica schist, quartzite, iron-manganese metachert, greenschist, and locally orto-amphibolite intercalations. The Formosa Formation was probably deposited in an arc-related basin 1.9 Ga ago. A stratigraphic review proposal is based on two points: 1) Removal of the Canabravinha Formation from the base of the Bambuí Group and its positioning as a chronostratigraphic equivalent to the diamictite-bearing units on the other fold belts that surround the São Francisco Craton; 2) Replacement of the term Rio Preto Group for the term Formosa Formation, once that its rocks can't be individualized into formations. The pre-orogenic sedimentation on the Rio Preto Fold Belt occurred between 850 and 600 Ma ago. During the Brasiliano Orogeny (600 - 540 Ma), the sedimentary basin was metamorphosed at the greenschist facies and inverted, assuming a kilometric doubly-vergent fan structure.

Greenschist

Orogeny

Pelite

Conglomerate

10.5327/z0375-75362012000300007

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Citations (13)

Neoproterozoic magmatic arc volcanism in the Borborema Province, NE Brazil: possible flare-ups and lulls and implications for western Gondwana assembly

Gondwana Research (2020)

Fabrício de Andrade Caxito Camila Franco Basto Lauro Cézar Montefalco de Lira Santos Elton Luiz Dantas Vladimir Cruz de Medeiros

Continental arc

Back-arc basin

Supercontinent

10.1016/j.gr.2020.11.015

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Citations (51)

Structural analysis of the Rio Preto fold belt (northwestern Bahia / southern Piauí), a doubly-vergent asymmetric fan developed during the Brasiliano Orogeny

Anais da Academia Brasileira de Ciências (2014)

Fabrício de Andrade Caxito Alexandre Uhlein Luiz F. G. Morales Marcos Egydio‐Silva Júlio Carlos Destro Sanglard

The Rio Preto fold belt borders the northwestern São Francisco craton and shows an exquisite kilometric doubly-vergent asymmetric fan structure, of polyphasic structural evolution attributed exclusively to the Brasiliano Orogeny (∼600-540 Ma). The fold belt can be subdivided into three structural compartments: The Northern and Southern compartments showing a general NE-SW trend, separated by the Central Compartment which shows a roughly E-W trend. The change of dip of S2, a tight crenulation foliation which is the main structure of the fold belt, between the three compartments, characterizes the fan structure. The Central Compartment is characterized by sub-vertical mylonitic quartzites, which materialize a system of low-T strike slip shear zones (Malhadinha – Rio Preto Shear Zone) crosscutting the central portion of the fold belt. In comparison to published analog models, we consider that the unique structure of the Rio Preto fold belt was generated by the oblique, dextral-sense interaction between the Cristalândia do Piauí block to the north and the São Francisco craton to the south.

Orogeny

Crenulation

Greenstone belt

Mylonite

10.1590/0001-3765201420130173

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Citations (9)

Depositional systems and stratigraphic review proposal of the Rio Preto Fold Belt, northwestern Bahia/southern Piauí

Revista Brasileira de Geociências (2012)

Fabrício de Andrade Caxito Alexandre Uhlein Júlio Carlos Destro Sanglard Tatiana Gonçalves Dias Mônica de Cássia Oliveira Mendes

Greenschist

Orogeny

Pelite

Conglomerate

10.25249/0375-7536.2012423523538

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Citations (17)