Las Cuencas Terciarias gallegas en la terminación occidental de los relieves pirenaicos

• Autores: Pere Santanach i Prat
• Localización: Cadernos do Laboratorio Xeolóxico de Laxe: Revista de xeoloxía galega e do hercínico peninsular, ISSN 0213-4497, Nº 19, 1994, págs. 57-71
• Idioma: español
• Títulos paralelos:
  • The Tertiary Basins of Galicia (NW Spain) in the western termination of the Pyrenean reliefs
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• Resumen

  • The structure shown by the Tertiary basins of NW Spain is in agreement with a N-S shortening. These structures are specially well exposed in As Pontes and Meirama basins which belong to a group of basins genetically related to two dextral slip fault zones developed in Northwestern Galicia, and in El Bierzo intramontane basins where both, E-W trending thrusts and NE-SW sinistral transpressional faults are the most conspicuous structures. The forming age of Galician basins, as well as its structure and the regional tectonic framework, allow us to relate those basins to the uplift of the westernmost "Pyrenean" mountains. The infilling of the Galician basins constitutes the weternmost sedimentary record deposited on continental crust of the Pyrenean Orogeny.