ABSTRACT
The Seso Cave system (Boltaña, Huesca province) in the Southcentral
Pyrenees presents a singular speleogenesis.
Vadose mechanical entrenchment of highly erosive and dispersive marls (piping processes) is the main espeleogenetic mechanism....
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ABSTRACT
The Seso Cave system (Boltaña, Huesca province) in the Southcentral
Pyrenees presents a singular speleogenesis.
Vadose mechanical entrenchment of highly erosive and dispersive marls (piping processes) is the main espeleogenetic mechanism.
Geometric relationship between the endokarstic
system and a terrace of the Ara River chronologically controlled allows dating the cave formation in the Upper Pleistocene, probably during stages of
the MIS 4 with high water availability.
Key-words: Speleogenesis, piping, Upper Pleistocene, Central Pyrenees.
RESUMEN
El sistema endokárstico de Seso (Boltaña, Huesca), localizado en el sector central surpirenaico, presenta una espeleogénesis singular.
La excavación mecánica en condiciones vadosas de material margoso fácilmente erosionable (procesos de piping) constituye el principal mecanismo espeleogenético.
La disposición espacial del sistema endokárstico respecto a las terrazas datadas del río Ara permite situar la formación
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