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Título: | A new tectonic discontinuity in the Betic Cordillera deduced from active tectonics and seismicity in the Tabernas Basin |
Autor: | Sanz de Galdeano, Carlos CSIC ORCID; Shanov, Stefan; Galindo-Zaldívar, Jesús; Radulov, Alexander; Nikolov, Gabriel | Palabras clave: | Betic Cordillera Normal faults Strike-slip faults Paleostress Earthquakes |
Fecha de publicación: | ago-2010 | Editor: | Elsevier | Citación: | Journal of Geodynamics 50(2): 57-66 (2010) | Resumen: | In the Tabernas Desert, a Neogene basin situated in SE Spain, major E-W folds coexist with large E-W dextral faults and abundant NNW-SSE faults. These faults affect the Plio-Quaternary sediments. The palaeostress ellipsoids indicate a roughly constant tension (σ3 axe) in the ENE-WSW direction, coexisting with a changeable direction of the main compression (σ1 axe) from the vertical to the NW-SE direction. The numerous NNW-SSE faults in southern areas, directly to the east of the city of Almería, tend to propagate northwards, forming a tectonic discontinuity of the Betic Internal Zone. The 2002 seismic swarm of the Gergal earthquake occurred in this NNW-SSE fault zone. In this setting, the E-W fractures act as transfer faults. | Descripción: | 10 páginas, 8 figuras, 1 tabla. | Versión del editor: | http://dx.doi.org/10.1016/j.jog.2010.02.005 | URI: | http://hdl.handle.net/10261/31522 | DOI: | 10.1016/j.jog.2010.02.005 | ISSN: | 0264-3707 |
Aparece en las colecciones: | (IACT) Artículos |
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