3 Art�culos

Prehnite-pumpellyite facies metamorphism in the Cenozoic Abanico Formation, Andes of central Chile(33�50'S): chemical and scale controls on mineral assemblages, reaction progress and the equilibrium state

Acceso

en l�nea

Marcia Munoz,Luis Aguirre,Mario Vergara,Alain Demant,Francisco Fuentes,Andres Fock P�g. 54 - 77

In the El Volc�n and Rodeo de los Bueyes areas, Andean Principal Cordillera (east of Santiago; 33�50'S), an Upper Oligocene-Lower Miocene volcanic series belonging to the Abanico Formation (Late Eocene-Early Miocene) is exposed. The rock successions outc... ver m�s

Revista: Andean Geology Formato: Electr�nico

Tabla de contenido: Vol: 37 Num: 1 Par: 0 A�o: 2010

Geochronology and petrochemistry of Late Cretaceous-(?)Paleogene volcanic sequences from the eastern central Patagonian Cordillera (45�-45�40'S)

Acceso

en l�nea

Alain Demant,Manuel Suarez,Rita De la Cruz P�g. 3 - 22

In the eastern part of the central Patagonian Cordillera (45�15-45�40S), northeast of the town of Coihaique, the chronology of volcanic sequences are documented by detailed field work and twelve new K-Ar dates that have established their Late Cretaceous-... ver m�s

Revista: Andean Geology Formato: Electr�nico

Tabla de contenido: Vol: 34 Num: 1 Par: 0 A�o: 2007

Abanico East Formation: petrology and geochemistry of volcanic rocks behind the Cenozoic arc front in the Andean Cordillera, central Chile (33�50'S)

Acceso

en l�nea

Marcia Munoz,Francisco Fuentes,Mario Vergara,Luis Aguirre,Jan Olov Nystr�m,Gilbert Feraud,Alain Demant P�g. 109 - 140

The stratigraphy, chemistry and age of rocks assigned to the eastern portion of the Abanico Formation exposed along the El Volc�n river valley, Principal Cordillera east of Santiago (30�50'S/70�12'-70�5'W), are reported and discussed. This ca. 3,300 m th... ver m�s

Revista: Andean Geology Formato: Electr�nico

Tabla de contenido: Vol: 33 Num: 1 Par: 0 A�o: 2006

« Anterior P�gina: 1 de 1 Siguiente »