Sundelagua 1
A cavity opening in a collapse doline and descending through a single shaft to an E-W fissure with wedged blocks.
EspeleoWorld
Sundelagua 1
A cavity opening in a collapse doline and descending through a single shaft to an E-W fissure with wedged blocks.
Valle de Yerri/Deierri
Sviluppo: 2 m · Profondità: 10 m
Scheda aggiornata
https://espeleoworld.com/it/c/sundelagua-1-valle-de-yerri-deierri
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A cavity opening in a collapse doline and descending through a single shaft to an E-W fissure with wedged blocks.
Descrizione
Morfologia
This cavity opens at the bottom of a collapse doline 7x5 metres in diameter and 4 metres deep, through which one enters a single shaft 10 metres deep with a circular section 1 to 1.5 metres in diameter. At the bottom of the cavity it adapts to the pre-existing joints, modifying its initial circular morphology. The presence of numerous wedged blocks along this E-W fissure prevents passage. The cavity is located in an epikarst formed in the ochre calcarenites of Eocene age (upper Lutetian).
Storia
2007 Research Urbasa G.E.E/LET
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Fonte: Gobierno de Navarra – Catálogo espeleológico de Navarra (datosabiertos.navarra.es), modificato. CC BY 4.0, https://creativecommons.org/licenses/by/4.0/ Gobierno de Navarra · dati aggiornati a 2022