Buscar
Mostrando ítems 1-10 de 623
Compositional variations and magma mixing in the 1991 eruptions of Hudson volcano, Chile
(Springer, 2009-12)
The August 1991 eruptions of Hudson volcano produced ∼2.7 km3 (dense rock equivalent, DRE) of basaltic to trachyandesitic pyroclastic deposits, making it one of the largest historical eruptions in South America. Phase 1 ...
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 ...
Fractionation crystallisation and continental crust assimilation by the felsic alkaline rock magmas of the state of Rio de Janeiro, BrazilCristalização fracionada e assimilação da crosta continental pelos magmas de rochas alcalinas félsicas do estado do Rio de Janeiro
(Centro de Ciências Matemáticas e da Natureza, Instituto de Geociências, Universidade Feder, 2012)
EVIDENCE FOR "FROZEN-IN" MAGMA MIXING IN BRASILIANO CALC-ALKALINE INTRUSIONS: THE SANTA ANGÉLICA PLUTON, SOUTHERN ESPIRITO SANTO, BRAZILEVIDENCE FOR "FROZEN-IN" MAGMA MIXING IN BRASILIANO CALC-ALKALINE INTRUSIONS: THE SANTA ANGÉLICA PLUTON, SOUTHERN ESPIRITO SANTO, BRAZIL
(Sociedade Brasileira de Geologia, 2018)
Volcanic stratigraphy and evidence of magma mixing in the Quaternary Payún Matrú volcano, andean backarc in western Argentina
(Servicio Nacional de Geología y Minería, 2012)
Relationships between shearing and granitic magma emplacement: the Remígio-Pocinhos shear zone in the São José do Campestre massif, NE BrazilRelação entre cisalhamento e alojamento de magmas graníticos: zona de cisalhamento Remígio-Pocinhos, maciço São José do Campestre, NE do Brasil
(Universidade de São Paulo, Instituto de Geociências, 2010)