Estudio sísmico-acústico de alta resolución de la discontinuidad sedimentaria del Wíirm en la Ría de Vigo (NO España)

• Autores: Soledad García Gil, Ana García García, Federico Vilas Martín
• Localización: Geotemas (Madrid), ISSN 1576-5172, Nº. 1, 1, 2000 (Ejemplar dedicado a: V Congreso Geológico de España (Alicante, 10-14 julio 2000)), págs. 149-153
• Idioma: español
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• Resumen

  • Detailed analysis and interpretation of high-resolution seismic profiles have allowed to detect and characterize the unconformity surface related to the last glacial sea level drop in the Ria de Vigo (NW Spain). Related to this main relative sea level fall, an important river incision took place in this region. Mapping of the major palaeovalley of this palaeodrainage system has been performed, showing that the open sea connection was made through the present south entrance.

    Isopach map of the Holocene sedimentary sequence has allowed to stablish the contours of this erosive surface (type I boundary).