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The caldera-forming eruption of the quaternary Payún Matrú volcano, Andean back-arc of the southern volcanic zone
(Elsevier Science, 2019-10)
The Payún Matrú caldera is a Quaternary Andean back-arc caldera (36° 25′ S, 69° 12′ 30? W), and represents the main volcanic edifice of the homonym Payún Matrú volcanic field, located within the Payenia Basaltic province. ...
Índices de porosidad en piroclastos de la Fm. Las Mesas (3 k.a BP) del Volcán Doña Juana Colombia
(Universidad de los AndesGeocienciasFacultad de CienciasDepartamento de Geociencias, 2021)
La porosidad de piroclastos juveniles da indicios acerca de las condiciones de desgasificación y vesiculación del magma, así mismo, junto con la densidad proveen información sobre las dinámicas de acumulación de las ...
Interações vulcano-sedimentares no cretáceo superior da bacia sanfranciscana, mesorregião do alto paranaíba, minas gerais.
(Universidade Federal de UberlândiaBrasilGeologia, 2022)
Post-caldera pumice cones of the Payún Matrú caldera, Payenia, Argentina: Morphology and deposits characteristics
(Pergamon-Elsevier Science Ltd, 2019-03)
The formation of pumice cones by deposition of near-vent pumice fragments is relatively rare in comparison with the occurrence of their mafic equivalents, the scoria cones. The Quaternary Payún Matrú caldera (36° S, 69° ...
Gastroliths associated with a juvenile elasmosaur (Plesiosauria, Elasmosauridae) from the Snow Hill Island Formation (upper Campanian-lower Maastrichtian), Vega Island, Antarctica
(Taylor & Francis Ltd, 2012-12)
Gastroliths associated with a juvenile elasmosaur (Plesiosauria, Elasmosauridae) from the Snow Hill Island Formation (upper Campanian-lower Maastrichtian), Vega Island, Antarctica. Alcheringa 36, 531-541. ISSN 0311-5518.One ...
Characteristics of the beginning of the 2019 eruptive crisis at Ubinas volcano (Peru)
(American Geophysical UnionUS, 2019-12)
Ubinas volcano has produced moderate explosive eruptions during the last ~500 years. With 26 eruptive periods, this composite cone is the most active volcano in Peru. The 2006–2009 and 2013–2017 eruptions impacted people, ...