Abstract

The sequence stratigraphy of the upper Miocene in the northern border of the Guadix basin allows to separate four depositional sequences. These records succesive sedimentary and paleogeographic episodes in the evolution of the studied area. The first depositional sequence (lower and upper Tortonian. pro parte) represent the shelf and slope marine se­ dimentation on the southern edge of the North-betic Strait. The two following sequences (upper Tortonian). with plattform and pelagic basin environments. are deposited within the marine Guadix basin. The last sequence (upper Turolian-Ventian) is recorded by alluvial deposits after the continentalization of the Guadix basin.

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