Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/43174
Title: Geomorphologic evidences of flank instabilities in the eastern sector of the tejeda volcano (Canary Islands, Spain) during the quaternary
Authors: Temiño, Jorge Yepes 
Rodríguez-Peces, Martín Jesús
Sánchez, Nieves
Galindo, Inés
Del Potro, Rodrigo
UNESCO Clasification: 250607 Geomorfología
250621 Vulcanología
Keywords: Canary Islands
Flank collapse
Gran Canaria
Volcanic rock
Rock slide
Issue Date: 2013
Journal: Landslide Science and Practice: Social and Economic Impact and Policies
Conference: 2nd World Landslide Forum, WLF 2011 
Abstract: This paper provides both geological and geomorphologic observations that support the existence of flank instabilities in the eastern sector of the Tejeda Volcano (Gran Canaria) during the Quaternary. The observations are focused on the analysis of the drainage system, scarps, erosion surfaces, residual reliefs, field of volcanoes and lithological correlation between the surface geology and data derived from wells and boreholes. We have identified a wide paleo-valley developed in Miocene volcanic materials, which could be related to a large rock slide, as well as a subsequent secondary scarp of Pliocene age developed at the distal area of the slide mass. These observations confirm the occurrence of large insular flank collapses of the Tejeda Volcano during the Miocene to Pliocene. These flank instabilities suggest a NE-SW extensional regime, which could be related to a NW-SE fault zone that divides Gran Canaria Island into two sectors.
URI: http://hdl.handle.net/10553/43174
ISBN: 9783642313127
DOI: 10.1007/978-3-642-31313-4-9
Source: Landslide Science and Practice: Social and Economic Impact and Policies,v. 7, p. 65-72
Appears in Collections:Actas de congresos
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