Del Roble III
Small seven-metre pit next to No. 1 del Roble, with its entrance in a joint and its base closed off by blocks.
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Del Roble III
Small seven-metre pit next to No. 1 del Roble, with its entrance in a joint and its base closed off by blocks.
Valle de Yerri/Deierri
Sviluppo: 7 m · Profondità: 11 m
Scheda aggiornata
https://espeleoworld.com/it/c/del-roble-iii-valle-de-yerri-deierri
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Small seven-metre pit next to No. 1 del Roble, with its entrance in a joint and its base closed off by blocks.
Descrizione
Morfologia
Its entrance is an east-west trending joint that descends for seven metres until it is interrupted by a debris plug that makes progression impossible. At the base of this plug there is a crossing of joints, but this also does not allow further progress because the base is completely closed off by blocks. The pit has a total depth of seven metres.
Concrezioni
On none of its walls does it have more than a few incipient chemical formations.
Idrologia
At its base clayey residues are observed, which demonstrates this small shaft's function as a sink.
Altri dettagli
This cavity, unlike No. 1 del Roble, was opened long ago, as shown by the state of the walls in its first metres of descent, as well as by the abundant vegetation at the entrance of the cavity.
Storia
23/02/1975 Institución Príncipe de Viana & Departamento de Obras Publicas
1991 G.E. Estella
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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