Aven du Bois d'Ournes
A Lower Devonian pit whose 6-metre entrance shaft leads to a network of shafts, fissures and joints narrowing at -80m.
EspeleoWorld
Aven du Bois d'Ournes
A Lower Devonian pit whose 6-metre entrance shaft leads to a network of shafts, fissures and joints narrowing at -80m.
Valmigère
Sviluppo: 150 m · Profondità: 80 m
Scheda aggiornata
https://espeleoworld.com/it/c/aven-du-bois-d-ournes-valmigere
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A Lower Devonian pit whose 6-metre entrance shaft leads to a network of shafts, fissures and joints narrowing at -80m.
Descrizione
Morfologia
The entrance shaft, 6 metres deep, arrives at a scree cone.
Towards the N-E, a selective squeeze gives onto a P 5 (Un P 5) followed by a narrow, very steep fissure and a step arriving in a small pocket at about -22m (branch not shown on the survey). This part ends at a very narrow small meander.
Towards the S-W, an inclined plane gives onto a P 5 (Un P 5) ending in a blind chamber. Mid-shaft, a window opens onto an R 3.5 (Un R 3.5) followed by a P 6 (Un P 6) between the blocks that reaches a chamber on whose edge the Condor shaft (P 15) begins.
An inclined plane leads to the Je Gouze shaft (P 8) extended by a P 15 beginning with a fissure (Gland shaft). An R 4 (Un R 4) accesses a 15-metre joint, oriented towards the N-E, with several side passages, one of them about fifteen metres long. At the end of the joint, a vertical crawlway gives onto a fissure 6 metres deep narrowing inexorably at -80m.
Altri dettagli
Lower Devonian.
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Fonte: BRGM BDCavité (inventaire des cavités souterraines), via Géorisques (www.georisques.gouv.fr), modificato. Licence Ouverte 2.0, https://www.etalab.gouv.fr/licence-ouverte-open-licence/ Ministère de la Transition écologique, de la Biodiversité et des Négociations Internationales sur le Climat et la Nature – données Géorisques (BRGM), mise à jour du 2026-10-16 · dati aggiornati a 2026 · Contiene informazioni da Grottocenter (Wikicaves), grottocenter.org, rese disponibili con la Open Database License (ODbL 1.0, https://opendatacommons.org/licenses/odbl/1-0/), modificate. · profondità, sviluppo · ottenuti il 2026-10-19 · https://grottocenter.org/ui/entrances/35042 · I dati derivati sono disponibili su richiesta con licenza ODbL: [email protected] · dati aggiornati a 2026 · Fonte: Grottocenter (Association Wikicaves), worldwide collaborative cave database (grottocenter.org), modificato. CC BY-SA 3.0, https://creativecommons.org/licenses/by-sa/3.0/ Grottocenter (Wikicaves) · Testo di Cds 11 (Description générale), BTH (Géologie) · adattato da Espeleoworld (normalizzato, tradotto); l'adattamento è rilasciato con licenza CC BY-SA 3.0, https://creativecommons.org/licenses/by-sa/3.0/ · descrizione · ottenuti il 2026-10-16 · https://grottocenter.org/ui/entrances/35042 · dati aggiornati a 2026