MZ-1
Vertical cavity in Urgonian limestone above the Mezeriegolarre raso, with a 12-metre pitch and a narrow meander at its bottom.
EspeleoWorld
MZ-1
Vertical cavity in Urgonian limestone above the Mezeriegolarre raso, with a 12-metre pitch and a narrow meander at its bottom.
Arbizu
Sviluppo: 12 m · Profondità: 12 m
Scheda aggiornata
https://espeleoworld.com/it/c/mz-1-arbizu
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Vertical cavity in Urgonian limestone above the Mezeriegolarre raso, with a 12-metre pitch and a narrow meander at its bottom.
Descrizione
Morfologia
The entrance opens in a joint trending 90-200º and measures 2x1 metres. It leads to a narrow 12-metre pitch, opened in a N-S direction of 10 metres, with mud. At its bottom the same joint closes and blocks passage after having passed an uncomfortable constriction. From this point 2 metres of compact meander 0.25 metres wide can be seen, beyond which a widening of the joint can be seen. The dip is 20º and the direction is 90º.
Progressione
A possible digging could be carried out, but in a complicated way and with not many possibilities of continuation.
Storia
1989 G. Arrastakán de Echarri-Aranaz
2009 Investigación Aralar G.Satorrak
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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