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Mostrando ítems 91-100 de 410
Geological mapping of intrusive rocks: a case study in the Garzón region, the Eastern Cordillera of the Colombian AndesMapeamento geológico de rochas ígneas: Um estudo de caso na região de Garzón, Cordilheira Oriental dos Andes Colombianos
(Universidade de São Paulo, Instituto de Geociências, 2020)
Geologic evolution of the Serrinha nucleus granite–greenstone terrane (NE Bahia, Brazil) constrained by U–Pb single zircon geochronology
(2009)
U–Pb single zircon crystallization ages were determined using TIMS and sensitive high resolution ion microprobe (SHRIMP) on samples of granitoid rocks exposed in the Serrinha nucleus granite–greenstone terrane, in NE Brazil. ...
Emplacement mechanism and thermal aureole provoked by the Ediacaran Catingueira pluton, Borborema Province, NE BrazilMecanismo de colocação e auréola termal provocada pelo plúton Ediacarano Catingueira, Província Borborema, Nordeste do Brasil
(Universidade de São Paulo, Instituto de Geociências, 2018)
Magmatic and tectonic fabrics in the Upper Jurassic La Hoya Pluton, North Patagonian Batholith (∼43ºS) as a record of the early stages of the Andean deformation
(Elsevier B. V., 2020-08)
The magmatic record of the North Patagonian Batholith starts in Middle Jurassic times and rapidly grew in Early Cretaceous times, where it experienced its main building phase. Slightly after, in the Late Cretaceous, the ...
Detrital zircon fission-track thermochronology and magnetic fabric of the Amagá Formation (Colombia): Intracontinental deformation and exhumation events in the northwestern Andes
(ELSEVIER SCIENCE BV, 2017-07-01)
New detrital zircon-fission track (ZFT) and magnetic fabric data are presented to constrain the time of deposition, provenance and deformation of the of Lower and Upper members of the Amagá Formation in the Amagá Basin. ...
Emplacement conditions of the mafic magmatism from Macururé Domain, Sergipano Orogenic System: Capela MassifCondições de colocação do magmatismo máfico do Domínio Macururé, Sistema Orogênico Sergipano: Maciço Capela
(Universidade de São Paulo, Instituto de Geociências, 2019)
Petrology and tectonic evolution of late Paleozoic mafic-ultramafic sequences and the Leones Pluton of the Eastern Andean Metamorphic Complex (46-47°S), southern Chile
(Pergamon-Elsevier Science Ltd, 2021-06)
The metamorphosed mafic-ultramafic sequences of the Eastern Andean Metamorphic Complex outcropping in the Patagonian Andes are critical to disclose the late Paleozoic tectonic evolution of the southwestern margin of Gondwana. ...
Petrologia do magmatismo tardi-brasiliano no Maciço São José de Campestre(RN/PB), com ênfase no Plúton Alcalino Caxexa
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Geodinâmica e GeofísicaGeodinâmica; Geofísica, 2000-03-24)
The area studied is located on the north-easternmost portion of the Borborema Province, on the so-called São José de Campestre Massif, States of RN and PB, Northeast Brazil. Field relations and petrographic, geochemical ...
Fabrics of pre- and syntectonic granite plutons and chronology of shear zones in the Eastern Borborema Province, NE Brazil
(PERGAMON-ELSEVIER SCIENCE LTD, 2008)
We used the fabrics of two granite plutons and U/Pb (SHRIMP) zircon ages to constrain the tectonic evolution of the E-trending Patos shear zone (Borborema Province, NE Brazil). The pre-tectonic Teixeira batholith consists ...