Influencia del Keuper y de la estructuración tardivarisca en la arquitectura de las unidades sin-extensionales del borde norte de la Cuenca de Cameros

1. P. Suarez-Gonzalez ¹
2. M.I. Benito ¹
3. R. Mas ¹
4. I.E. Quijada ²
5. S. Campos-Soto ¹

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More publications in: Geotemas (Madrid)

Abstract

This work provides new mapping and sedimentological data to shed light on the controversial extensional-tectonic evolution of the Cameros Basin (N Spain).Thepresent-day geometry of the northern margin of thebasinrepresents the continuationof NW-SE and SW-NE late-variscan lineamentsof the Basque-Cantabrian Basin, along which important syn-extensional salt-tectonics occurred. In the studyarea,the irregular distribution of the Keuper plastic depositsisinterpretedhereas due to syn-extensional mobilization. Thus, the late-variscan basement structure and theKeuper mobilizationsrelated to it,allow explainingthe architecture and distributionof the syn-extensional units of the basin infill.

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