Buscar
Mostrando ítems 1-7 de 7
Are the ashes from the latest eruptions (2010–2016) at Turrialba volcano (Costa Rica) related to phreatic or phreatomagmatic events?
(Elsevier, 2016-09-15)
The initial eruptive episodes of explosive eruptions are classified as phreatic if the amount of juvenile material (scoria, glass, pumice) is null, and the amount of fresh accidental lithics, and hydrothermally altered ...
Niveles de cenizas volcánicas en laderas de los valles del Río Claro y Cochiguás, Quebrada Paihuano y Tres Cruces, Región de Coquimbo, Chile
(Universidad Andrés Bello, 2018)
Hacia el interior de la región de Coquimbo, en los valles de los ríos Claro y Cochiguás, quebradas Paihuano y Tres Cruces (ca. 30°S), se encuentran niveles de ceniza volcánica intercalados con depósitos coluviales, bajo ...
The flow dynamics of an extremely large volume pyroclastic flow, the 2.08-Ma Cerro Galán Ignimbrite, NW Argentina, and comparison with other flow types
(Springer Verlag Berlín, 2011-12)
The 2.08-Ma Cerro Galán Ignimbrite (CGI) represents a >630-km3 dense rock equivalent (VEI 8) eruption from the long-lived Cerro Galán magma system (∼6 Ma). It is a crystal-rich (35–60%), pumice (<10% generally) and lithic-poor ...