Origen de las brechas de la base del Jurásico en Morata de Jalón (Zaragoza).

• Campos, S. ^[1] ; Aurell, M. ^[1] ; Casas, A. ^[1]
  1. [1] Universidad de Zaragoza

     Universidad de Zaragoza

     Zaragoza, España

     
• Localización: Geogaceta, ISSN 0213-683X, Nº. 20, 4, 1996 (Ejemplar dedicado a: Comunicaciones presentadas en el IV Congreso Nacional de Geología, Alcalá de Henares, 1996), págs. 887-889
• Idioma: español
• Títulos paralelos:
  • Origin of the lowermost Jurassic breccia in Morata de Jalón (Zaragoza)
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• Resumen

  • A sedimentary breccia is found in the lower Liassic (Hettangian?) in wide areas of the lberian Chain (NE Spain). This breccia was originated during a tectonic extension at the onset of the Jurassic by a number of procceses, including: (1) the erosion of the underlying Triassic units; (2) the tectonic breakage of a shallow carbonate platform developed coevally to the tectonic extension. The main contribution of this paper is the finding and description of a lower Liassic carbonate pfatform, which is preserved on its original position.