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Análisis tensorial de la deformación superpuesta en el límite oriental de la cuenca de Madrid

Muñoz Martín, Alfonso and Vicente Muñoz, Gerardo de and González Casado, José Manuel (1994) Análisis tensorial de la deformación superpuesta en el límite oriental de la cuenca de Madrid. Cadernos do Laboratorio Xeolóxico de Laxe , 19 . pp. 203-214. ISSN 0213-4497

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Abstract

An analysis of Neogene brittle deformation using fault population analysis methods has been carried out between the SW border of the Iberian Range and
Altomira Range. Two main paleostress fields have been established: 1) N70E - N120E compression (Altomira paleostress field) ofLate Oligocene
- Early Miocene age that induced the formation of the SW border of Iberian Range and Altomira - Pareja thrust belts with reverse and strike-slip faults.
2) N140-N160E compression (Guadarrama paleostress field) of Middle Aragonian - early Pleistocene age that reactivated previous faults with strikeslip movement along the Iberian Range. A superposition of two regional stress fields (Iberian and Guadarrama) is
proposed to explain E-W compression that formed Altomira Range. Stress tensorial additions have been realized to check this hypothesis.


Item Type:Article
Uncontrolled Keywords:Altomira Range, Neogene, Brittle deformation, Fault population analysis, Stress tensor, Paleostress field
Subjects:Sciences > Geology > Geodynamics
ID Code:7949
Deposited On:02 Jun 2008
Last Modified:01 Sep 2010 10:44

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