The Gebra Debris-Valley. Seabed Morphology and Sedimentary Processes

VII Congreso Geológico de España, 14-18 Julio 2008, Las Palmas de Gran Canaria.-- 4 pages, 4 figures, 1 table [EN] The scars defining the Gebra valley reflects important instability processes, but the recent evolution of the valley is controlled by glaciomarine processes. The occurrence of instabili...

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Bibliographic Details
Main Authors: Casas, David, Ercilla, Gemma, Estrada, Ferran, García, Marga, Alonso, Belén
Format: Conference Object
Language:English
Published: Sociedad Geológica de España 2008
Subjects:
Online Access:http://hdl.handle.net/10261/86489
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Summary:VII Congreso Geológico de España, 14-18 Julio 2008, Las Palmas de Gran Canaria.-- 4 pages, 4 figures, 1 table [EN] The scars defining the Gebra valley reflects important instability processes, but the recent evolution of the valley is controlled by glaciomarine processes. The occurrence of instability processes through the valley points out the Gebra valley as a corridor for mass transport, or a debris valley, from upslope to deep basin areas. The instability features are the dominant processes in the Gebra valley area which are characterized basically by the presence of scars, scarps, slides, turbidites, and mass-transport deposits [ES] Las cicatrices que delimitan el valle Gebra reflejan importantes eventos de inestabilidad, pero la evolución reciente del valle está controlada básicamente por procesos glaciomarinos. La recurrencia de procesos de inestabilidad a través del valle hace que éste se pueda definir como un debris valley o un corredor activo de depósitos asociados a procesos gravitativos e inestabildad hacia el medio marino profundo. Las inestabilidades sedimentarias son los procesos dominantes en el área del valle Gebra, que se caracteriza por la presencia de cicatrices, escarpes, deslizamientos, turbiditas y depósitos en masa The research was supported by REN2001-1734 C03-01/M and VEM 2003-20093-CO3 Projects Peer Reviewed