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Tefras emitidas durante la fase inicial hidromagmática (julio de 2012) del ciclo eruptivo 2012-actual (2016) del volcán Copahue (Andes del Sur)Tephras emitted during the initial hydromagmatic phase (July 2012) of the 2012-2016 eruptive cycle of the Copahue volcano (Andes del Sur)
(Asociación Geológica Argentina, 2017-05)
El volcán Copahue presenta un registro de erupciones históricas de limitada intensidad cuyo carácter ha sido analizado principalmente a partir de los eventos de las últimas décadas. Hacia fines del año 2011 comenzaron a ...
Stratigraphy, age and correlation of Lepue Tephra: a widespread c. 11 000 cal a BP marker horizon sourced from the Chaitén sector of southern Chile
(Wiley, 2017)
We describe the stratigraphy, age and correlation of a prominent tephra marker, named Lepue Tephra, extensively distributed in north-western Patagonia. Lepue Tephra is well dated at c. 11 000 cal a BP from numerous lake ...
Risk assessment and mitigation at Copahue Volcano
(Springer, 2016)
"Risk assessment" is a relatively new concept in Argentina, since the veryfirst hazard map was only recently constructed on the basis of the 1992 eruption of Copahue volcano (Patagonia). Copahue is considered a very active ...
Petrogénesis del anillo de toba Xico, en el Estado de México
(2019-04-30)
RESUMEN: La Faja Volcánica Trans-Mexicana (FVTM), cuenta con ~8000 estructuras volcánicas, entre ellas volcanes monogenéticos, estratovolcanes, calderas, domos etc. que reflejan la diversidad tanto en la composición de los ...
Mechanisms of Unrest and Eruption at Persistently Restless Volcanoes: Insights From the 2015 Eruption of Telica Volcano, Nicaragua
(Advancing Earh and Space Science, 2019)
Many of Earth's volcanoes experience well‐defined states of “quiescence” and “unrest,” with unrest occasionally culminating in eruption. Some volcanoes, however, experience an unusually protracted (i.e., decades‐long) ...
Petrographic analysis of the volcanic bombs and blocks from Poás Volcano: April-June 2017 eruptive period
(2017-09)
During the first semester of 2017, Poás Volcano, in the Central American Volcanic Arc (CAVA) initiated a period of volcanic unrest that included high energy phreatomagmatic and magmatic eruptions. The most notable erup-tions ...
Petrographic analysis of the volcanic bombs and blocks from Poás Volcano: April-June 2017 eruptive period
(2017-09)
During the first semester of 2017, Poás Volcano, in the Central American Volcanic Arc (CAVA) initiated a period of volcanic unrest that included high energy phreatomagmatic and magmatic eruptions. The most notable erup-tions ...
Mecanismos eruptivos y procesos depositacionales del Grupo Choiyoi en el área de Las Caletas, Cordillera Frontal de San Juan, ArgentinaEruptive mechanisms and depositional processes of the Choiyoi Group in Las Caletas area, San Juan Frontal Cordillera, Argentina
(Servicio Nacional de Geología y Minería, 2014-09)
La provincia riolítica Choiyoi del Permo-Triásico de Chile y Argentina es por su extensión, volumen y significado geológico, el registro de uno de los más importantes eventos magmáticos del margen suroccidental de Gondwana. ...