Carlos José Archanjo

Universidade de São Paulo

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Maria Helena Bezerra Maia de Hollanda

Universidade de São Paulo

Gustavo Viegas

Universidade de Brasília

Antomat Avelino Macêdo Filho

Universidade de São Paulo

Alain Vauchez

Université de Montpellier

Carlos Fernando Ávila

Universidade de São Paulo

Sérgio Wilians de Oliveira Rodrigues

Universidade Federal de Goiás

Alisson Lopes Oliveira

Universidade de São Paulo

Laécio Cunha de Souza

Universidade Federal do Rio Grande do Norte

Haakon Fossen

University of Bergen

J.W.P. Macedo

Universidade Federal do Rio Grande do Norte

Cooperative Institutions

Universidade de São Paulo

Instituto de Geociencias

Centre National de la Recherche Scientifique

Universidade Federal do Rio Grande do Norte

Université de Montpellier

Universidade Federal de Pernambuco

Géosciences Montpellier

Universidade Federal do Paraná

Sociedade Brasileira de Geofísica

Université Toulouse III - Paul Sabatier

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ANOMALIAS DE SUSCETIBILIDADE MAGNÉTICA NO BATÓLITO GRANÍTICO DE TEIXEIRA (PROVÍNCIA DA BORBOREMA, NORDESTE DO BRASIL) E SUA RELAÇÃO COM A ZONA DE CISALHAMENTO DE ITAPETIM

Revista Brasileira de Geociências (2000)

Rosenberg Garcia Lima Carlos José Archanjo JOSÉ WILSON P. MACEDO Germano Melo Júnior

10.25249/0375-7536.2000304685692

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Citations (7)

Petrology of continental tholeiitic magmas forming a 350-km-long Mesozoic dyke swarm in NE Brazil: Constraints of geochemical and isotopic data

Lithos (2016)

Emmanuel Donald Ngonge Maria Helena Bezerra Maia de Hollanda Carlos José Archanjo Diógenes Custódio de Oliveira Paulo Vasconcelos

Radiogenic nuclide

Felsic

10.1016/j.lithos.2016.04.008

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Citations (29)

Deformation – Progressive or multiphase?

Journal of Structural Geology (2018)

Haakon Fossen Geane Carolina G. Cavalcante Roberto Vizeu Lima Pinheiro Carlos José Archanjo

Overprinting

Deformation mechanism

Necking

Strain partitioning

Deformation bands

Tectonic phase

10.1016/j.jsg.2018.05.006

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Citations (120)

Geologia e caracterização química do magmatismo peralcalino ultrapotássico do enxame de diques Manaíra-Princesa Isabel, Província Borborema

Geologia USP Série Científica (2009)

Maria Helena Bezerra Maia de Hollanda Carolina Pelaéz Mejía Carlos José Archanjo Richard Armstrong

The Manaíra-Princesa Isabel dike swarm forms one of the most expressive examples of Neoproterozoic (c. 600 Ma) peralkaline magmatism in the Borborema Province (NE Brazil). It consists of about a hundred NE-trending bodies intrusive in older, Neoproterozoic porphyritic granites (Princesa Isabel and Tavares plutons), and orthogneisses and low-grade metasediments of the Eo-neoproterozoic Riacho Gravatá complex. The dike swarm includes mostly silica-saturated syenites, with potassic to ultrapotassic, peralkaline affinity, containing microcline and sodic amphibole ± pyroxene as the main mineral assemblage. Amphibole is dominantly Mg-riebeckite (Manaíra, Princesa Isabel and Tavares sub-swarms), whereas pyroxene is mainly aegirine-augite (Manaíra and Tavares sub-swarms). A minor set of dikes from this swarm is slightly metaluminous with Mg-biotite as the major mafic phase. Geochemical and isotopic signatures indicate strong enrichment in incompatible elements (Rb, Ba, K, Th, U), in association with a negative Nb anomaly, and strongly radiogenic 87Sr/86Sr and 143Nd/144Nd (= negative εNd values) initial ratios. These features suggest a common source, which was probably an enriched lithospheric mantle reservoir, chemically modified by an ancient subduction component inferred to be Paleoproterozoic from T DM model ages. Conversely, Pb isotopic ratios lower than average crustal values indicate the influence of a non-radiogenic component interacting with the enriched mantle source. A SHRIMP U-Pb age of c. 600 Ma obtained for the Manaíra-Princesa Isabel dike swarm defines an important crustal exhumation period which was relatively synchronous with intensive tectonomagmatic activity related to the Brasiliano orogeny, which occurred in distinct structural domains within the Transverse Zone of the Borborema Province.

Peralkaline rock

Amphibole

Porphyritic

Pyroxene

Dike

Radiogenic nuclide

10.5327/z1519-874x2009000300002

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Citations (4)

Magnetic fabrics and microstructures of the post-collisional aegirine-augite syenite Triunfo pluton, northeast Brazil

Journal of Structural Geology (1997)

Carlos José Archanjo Jean‐Luc Bouchez

Lineation

Diorite

10.1016/s0191-8141(97)00008-4

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Citations (26)

Magnetic and magmatic structures of the Emas granodioritic pluton (Cachoeirinha belt, NE Brazil). relationships with Pan-African strike-slip fault systems

Tectonophysics (1994)

Ph. Olivier Carlos José Archanjo

Lineation

Orogeny

10.1016/0040-1951(94)90031-0

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Citations (13)

Emplacement setting of the granite sheeted pluton of Esperança (Brasiliano orogen, Northeastern Brazil)

Precambrian Research (2004)

Carlos José Archanjo Allen H. Fetter

Porphyritic

Lineation

Titanite

Leucogranite

Batholith

10.1016/j.precamres.2004.08.008

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Citations (39)

U-Pb Ages and Hf Isotopes in Zircons from Parautochthonous Mesozoic Terranes in the Western Margin of Pangea: Implications for the Terrane Configurations in the Northern Andes

The Journal of Geology (2017)

Camilo Bustamante Carlos José Archanjo A. Cardona Andrés Bustamante V. Valencia

U-Pb laser ablation inductively coupled plasma mass spectrometry ages and Hf isotopes in zircons were used to constrain the nature of two geological units representative of the basement of the Central Cordillera of Colombia. Graphite-quartz-muscovite schists from the Cajamarca Complex show inherited detrital zircons supplied mostly from Late Jurassic (ca. 167 Ma), Ediacaran (ca. 638 Ma), and Tonian (Grenvillian; ca. 1000 Ma) sources. These marine volcanosedimentary deposits form an N-trending metamorphic belt in fault contact to the east with orthogneisses and amphibolites of the Tierradentro unit. Zircon U-Pb determinations of the Tierradentro rocks—previously interpreted as Grenvillian basement slices—yielded crystallization ages between 271 and 234 Ma. Initial Hf data reveal that the Tierradentro unit shares isotopic characteristics similar to other Permo-Triassic rocks of the Central Cordillera. In contrast, inherited detrital zircons from the Jurassic metasedimentary rocks suggest that their sources are distinct from the plutonic rocks that crop out in the Central Cordillera with Jurassic crystallization ages. Large xenoliths of the Tierradentro unit within the Ibagué batholith indicate that the granodioritic magma mostly intruded a Permo-Triassic basement possibly by exploiting the Otú-Pericos fault. The Jurassic metasedimentary belt is correlated further south with a similar sequence in the Ecuadorian Andes named Salado terrane.

Batholith

Basement

10.1086/693014

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Citations (42)

Strain transfer at continental scale from a transcurrent shear zone to a transpressional fold belt: The Patos-Seridó system, northeastern Brazil

Geology (1991)

Michel Corsini Alain Vauchez Carlos José Archanjo Emanuel Ferraz Jardim de Sá

Research Article| June 01, 1991 Strain transfer at continental scale from a transcurrent shear zone to a transpressional fold belt: The Patos-Seridó system, northeastern Brazil Michel Corsini; Michel Corsini 1Departement de Géologie, Université des Sciences et Techniques de Masuku Franceville, Gabon Search for other works by this author on: GSW Google Scholar Alain Vauchez; Alain Vauchez 2Laboratoire de Tectonophysique, Université des Sciences et Techniques du Languedoc 34095 Montpellier Cedex, France Search for other works by this author on: GSW Google Scholar Carlos Archanjo; Carlos Archanjo 3Departamento de Geologia, Universidade Federal do Rio Grande do Norte 59000 Natal (RN), Brazil Search for other works by this author on: GSW Google Scholar Emanuel F. J. de Sá Emanuel F. J. de Sá 3Departamento de Geologia, Universidade Federal do Rio Grande do Norte 59000 Natal (RN), Brazil Search for other works by this author on: GSW Google Scholar Author and Article Information Michel Corsini 1Departement de Géologie, Université des Sciences et Techniques de Masuku Franceville, Gabon Alain Vauchez 2Laboratoire de Tectonophysique, Université des Sciences et Techniques du Languedoc 34095 Montpellier Cedex, France Carlos Archanjo 3Departamento de Geologia, Universidade Federal do Rio Grande do Norte 59000 Natal (RN), Brazil Emanuel F. J. de Sá 3Departamento de Geologia, Universidade Federal do Rio Grande do Norte 59000 Natal (RN), Brazil Publisher: Geological Society of America First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (1991) 19 (6): 586–589. https://doi.org/10.1130/0091-7613(1991)019<0586:STACSF>2.3.CO;2 Article history First Online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation Michel Corsini, Alain Vauchez, Carlos Archanjo, Emanuel F. J. de Sá; Strain transfer at continental scale from a transcurrent shear zone to a transpressional fold belt: The Patos-Seridó system, northeastern Brazil. Geology 1991;; 19 (6): 586–589. doi: https://doi.org/10.1130/0091-7613(1991)019<0586:STACSF>2.3.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract During the Brasiliano-pan-African orogeny, a complex continental-scale pattern of east-west transcurrent shear zones and northeast-trending fold belts formed in the northern and central Borborema province of northeastern Brazil. The east-west shear zones have been usually regarded as slightly younger features, but the study of the most spectacular case of intersection between these two structures, the Patos shear zone and the Seridó transpressional belt, leads to a different tectonic model. Satellite imagery and structural, petro-logical, and geophysical data support the interpretation that these structures (1) are in structural continuity and (2) formed simultaneously under amphibolite facies metamorphic conditions that led to partial melting. This suggests a model of strain transfer at the scale of the orogen: at the eastern end of the Patos east-west dextral shear zone, the strain that accommodated the relative motion of the northern block was transferred to the northeast-trending Seridó belt, where it resulted in folding, strike-slip faulting, and stretching parallel to the strike of the belt. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.

10.1130/0091-7613(1991)019<0586:stacsf>2.3.co;2

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Citations (96)

Magnetic fabric of the Parashi stock and related dyke swarm, Alta Guajira (Colombia): The Caribbean-South American plates oblique convergence

Andean geology (2021)

Camilo Bustamante Carlos José Archanjo A. Cardona Marcela Restrepo

Anisotropy of magnetic susceptibility (AMS) and anhysteretic remanence (AAR) were used to evaluate the emplacement history of the Parashi stock and related dyke swarm situated in NW Colombia. The average magnetic susceptibility of 4.5×10-2 SI, in conjunction with low-coercivity components provided by the isothermal remanence and thermomagnetic curves with net Verwey and Curie transitions, indicates that multidomain magnetite records the anisotropy directions. The similar orientation and shape of the AMS and AAR ellipsoids indicate the absence of very fine magnetite with an inverse fabric. The magnetic foliation is the best-defined fabric element in these rocks and outlines a concentric structure, elongated parallel to the NE-SW direction of the pluton. Crystallisation age of the stock and dykes (51-47 Ma), along with pressure of emplacement determination indicate that the stock and the dyke swarm probably formed simultaneously, and they were emplaced in the shallow crust (

Lineation

Rock magnetism

10.5027/andgeov48n2-3332

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Citations (4)