RT Journal Article T1 Coladas piroclásticas antiguas: un caso de estudio en la cuenca pérmica del Viar (SO de España) T1 Ancient pyroclastic flows: an example in the Permian Viar Basin (SW Spain) A1 Sierra del Pino, Sonia A1 Moreno Garrido, María Carmen A1 González Barrionuevo, Felipe AB An example of study about ancient pyroclastic flows deposits is shown in this paper. Rhyodacitic pyroclastic flow deposits have been analyzed in the Permian Viar Basin, SW of Spain. They are associated with others volcanic and sedimentary rocks. Their origin is related with deposition of pumice-rich pyroclastic flows at low temperature. This kind of flows are thought as result of eruption column collapse PB Sociedad Geológica de España YR 2002 FD 2002 LK http://hdl.handle.net/10272/9097 UL http://hdl.handle.net/10272/9097 LA spa DS Repositorio Institucional de la Universidad de Huelva RD 31 may 2026