La subsidencia tectónica en la Cordillera Ibérica durante el Mesozoico

• Mariano Alvaro López ^[1]
  1. [1] Compañía General de ingeniería y Sondeos ( C. G. S.)
• Localización: Geogaceta, ISSN 0213-683X, Nº. 3, 1987, págs. 34-37
• Idioma: español
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• Resumen

  • The subsidence trajectories are built with two localities data from the Iberia.n Chain.

    Both curves show two rifting-tectonic subsidence cycles. The first one (Triassic-Jurassic) belongs to the development of the Celtiberian Aulacogen, in relationship with the BeticBal earic passive margin (Western Tethys). The second cycle occurred in Cretaceous times,and it was conditioned by the !herían Plate anti-clo_ckwise drifting and Bay of Biscayopenning. The stretching rates were low to moderate: = 1.12 and 1.26