Avenc de Pedra Paret
A 13 m deep pit in Alzina d'Alinyà (Alt Urgell), known as Avenc de Pedra Paret.
EspeleoWorld
Avenc de Pedra Paret
A 13 m deep pit in Alzina d'Alinyà (Alt Urgell), known as Avenc de Pedra Paret.
Fígols i Alinyà · Alt Urgell
Sviluppo: 32 m · Profondità: 13 m
Scheda aggiornata
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A 13 m deep pit in Alzina d'Alinyà (Alt Urgell), known as Avenc de Pedra Paret.
Topografia
Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Immagine © del suo autore.
Descrizione
Morfologia
Through a kind of trench filled with blocks you reach an elongated small shaft with a drop of 3 metres, and at its bottom a short ramp leads to another drop of 2 metres, followed by a new descending ramp. At the end of this, the presence of a second opening to the outside can be seen in the ceiling. A vertical conduit between blocks that becomes impenetrable after a few metres marks the point of maximum depth. The main gallery turns towards the NE and about 10 metres further on it emerges outside through a third opening.
Storia
Visited during phase II of the so-called Operació Solsonès between 27 and 30 March 1964, calling it Avenc de la Font Negra.
Visited again by members of the ERE – CEC (Ubach and Escolà) on 18 May 1970, they made the survey (unpublished until now) and collected fauna, renaming it Avenc de Pedra Paret.
Note biospeleologiche
Orthoptera:
Dolichopoda bolivari Chopard (O. Escolà and M. Ubach, 18-5-1979)
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Bibliografia
- Borràs, J.; Miñarro, J.M.; Talavera, F.(1978).-”Alt Urgell i la Cerdanya” Catàleg Espeleològic de Catalunya (Vol.1):1-186. Ed. Políglota. Barcelona.
- Ubach, Montserrat; Escolà, Oleguer.(1968).-”Operació Solsonès – campanyes 1962 a 1965 (primera etapa). Espeleòleg (5):158-162. ERE-Centre Excursionista de Catalunya.
- Topografia inèdita arxiu ERE del CEC.
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Fonte: Espeleoindex (espeleoindex.com), modificato. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/
