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Silicic ignimbrites within the Costa Rican volcanic front: evidence for the formation of continental crust
Abstract The origin of silicic magmas (greater than 65% silica) in areas without old, evolved continental crust has long been an enigma. In oceanic arcs, silicic volcanic deposits are not common,Expand
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Origin of distinct silicic magma types from the Guachipelín Caldera, NW Costa Rica: Evidence for magma mixing and protracted subvolcanic residence
Lower Pleistocene pyroclastic deposits in NW Costa Rica represent sequential eruptions of distinct dacitic-rhyolitic (69-79% SiO 2 ) magmas from the Guachipelin Caldera that were emplaced in a periodExpand
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Contribution to petrological and stratigraphical understanding of the Cordillera de Guanacaste lava flows, Costa Rica
Geochemical data are presented for lavas from four pair Quaternary stratovolcanoes (Cordillera de Guanacaste), small basic outcrops trenchward of the volcanic front (VF), and paleovolcanic unitsExpand
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Deep electrical resistivity structure of northwestern Costa Rica
[1] First long-period magnetotelluric investigations were conducted in early 2008 in northwestern Costa Rica, along a profile that extends from the coast of the Pacific Ocean, traverses the volcanicExpand
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Volcanoes in the pre-Columbian life, legend, and archaeology of Costa Rica (Central America)
Costa Rica is located geographically in the southern part of the Central American Volcanic Front, a zone where interaction between the Mesoamerican and South American cultures occurred inExpand
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DIVISIÓN DEL DESLIZAMIENTO TECTÓNICO Y TRANSTENSIÓN EN EL MACIZO DEL VOLCÁN POÁS (COSTA RICA), BASADO EN ESTUDIOS NEOTECTÓNICOS Y DE SISMICIDAD HISTÓRICA
Una revision de la literatura existente y nuevas interpretaciones morfotectonicas, estructurales y sismologicas permiten caracterizar la neotectonica del macizo del volcan Poas. Como resultado de esaExpand
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Characterization of Hydrothermal Alteration in Costa Rica: Mineralogy, Methodology, and Implications for Mars
Introduction: Many locations on Mars with mineral assemblages consisting of phyllosilicates, sulfates, and hydrated silica have been identified using the Mars Reconnaissance Orbiter’s (MRO) CompactExpand
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La caída de "ceniza" proveniente del volcan Irazú (Costa Rica) el 8 de diciembre de 1994: ¿una explosión freática?
During the night of December 8th, 1994, along an unstable area at the northern flank of Irazu volcano, Costa Rica, a small volcanic debris avalanche and subsequent debris flows took place, followedExpand
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Strong-motion monitoring
Pérdidas económicas en valor presente al año 2016 causadas por el vulcanismo en Costa Rica entre 1953 y 2016
An estimate of the economic losses caused by volcanic activity in Costa Rica in the period between 1953 and 2016 in present value is presented. Detailed information of the damage to agriculture,Expand
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