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Title: Geotechnical features of the volcanic rocks related to the arteara rock avalanche in gran canaria (Canary Islands, Spain)
Authors: Rodríguez-Peces, Martín Jesús
Temiño, Jorge Yepes 
Martín-Nicolau, Esther
UNESCO Clasification: 250607 Geomorfología
250617 Mecánica de las rocas
250621 Vulcanología
Keywords: Canary Islands
Geotechnical parameter
Rock mechanics
Rock avalanche
Issue Date: 2013
Journal: Landslide Science and Practice: Spatial Analysis and Modelling
Conference: 2nd World Landslide Forum, WLF 2011 
Abstract: The Arteara rock avalanche is developed in the Fataga Group which is related to the first volcanic stage in the Gran Canaria Island (8.6–13.3 Ma). The materials of the avalanche are mainly phonolitic ignimbrites and lava flows. We have investigated the geotechnical quality of the five lithotypes distinguished in the area: (a) phonolitic lava, (b) phonolitic agglomerate breccia, (c) reddish non-welded ignimbrite, (d) welded fiamme-bearing ignimbrite, and (e) pumice tuff with lithics. The weak geotechnical properties of the reddish non-welded ignimbrite, the pumice tuff with lithics and the agglomerate breccia, and their location at the middle of the slope suggest that these lithotypes can be regarded as potential sliding surfaces of the avalanche. The geomechanical features of the volcanic rocks found in this study could be very useful for future studies concerning the modelling of the mechanism of failure and run out of the Arteara rock avalanche.
ISBN: 9783642313097
DOI: 10.1007/978-3-642-31310-3-16
Source: Landslide Science and Practice: Spatial Analysis and Modelling,v. 3, p. 111-117
Appears in Collections:Actas de congresos
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