Buscar
Mostrando ítems 1-10 de 469
PENECONTEMPORANEOUS SYENITIC-PHONOLITIC AND BASIC-ULTRABASIC-CARBONATITIC ROCKS AT THE POÇOS DE CALDAS ALKALINE MASSIF, SE BRAZIL: GEOLOGIC AND GEOCHRONOLOGIC EVIDENCEPENECONTEMPORANEOUS SYENITIC-PHONOLITIC AND BASIC-ULTRABASIC-CARBONATITIC ROCKS AT THE POÇOS DE CALDAS ALKALINE MASSIF, SE BRAZIL: GEOLOGIC AND GEOCHRONOLOGIC EVIDENCE
(Sociedade Brasileira de Geologia, 2017)
40Ar/39Ar geochronological evidence for multiple magmatic events during the emplacement of Tapira alkaline-carbonatite complex, Minas Gerais, Brazil
(2020-01-01)
The Alto Parnaíba Igneous Province (APIP) is a voluminous magmatic province composed of various alkaline-carbonatite complexes emplaced in the Brasilia Mobile Belt during the Cretaceous. Relative timing of emplacement of ...
Evidence for Neoproterozoic continental arc magmatism in the Santa Quitéria Batholith of Ceará State, NW Borborema Province, NE Brazil: Implications for the assembly of West Gondwana
(2003-04-01)
Recent field investigations and geochronological studies of Neoproterozoic rocks in the northwestern part of the Borborema Province, Ceará State, NE Brazil provide important clues pertaining to the nature of convergence ...
Evidence for Neoproterozoic continental arc magmatism in the Santa Quitéria Batholith of Ceará State, NW Borborema Province, NE Brazil: Implications for the assembly of West Gondwana
(2003-04-01)
Recent field investigations and geochronological studies of Neoproterozoic rocks in the northwestern part of the Borborema Province, Ceará State, NE Brazil provide important clues pertaining to the nature of convergence ...
Cenozoic basin evolution of the Central Patagonian Andes: Evidence from geochronology, stratigraphy, and geochemistry
(Elsevier, 2019-05)
The Central Patagonian Andes is a particular segment of the Andean Cordillera that has been subjected to the subduction of two spreading ridges during Eocene and Neogene times. In order to understand the Cenozoic geologic ...