Aven de la Sonde Trassoulas (n°4)
A 6 m pit leads to stepped ledges down to -13, then to a vertical shaft of 17 m with a flat oval floor of 6 m by 2.50.
EspeleoWorld
Aven de la Sonde Trassoulas (n°4)
A 6 m pit leads to stepped ledges down to -13, then to a vertical shaft of 17 m with a flat oval floor of 6 m by 2.50.
Belcaire
Sviluppo: 56 m · Profondità: 30 m
Scheda aggiornata
https://espeleoworld.com/it/c/aven-de-la-sonde-trassoulas-n-4-belcaire
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A 6 m pit leads to stepped ledges down to -13, then to a vertical shaft of 17 m with a flat oval floor of 6 m by 2.50.
Descrizione
Morfologia
The cavity comprises a 1 m wide diaclase est (joint), a first ledge, stepped blocks leading to a second ledge at -13, then a vertical shaft of 17 m whose floor is flat, oval in shape, measuring 6 m by 2.50. On the W side, the diaclase est (joint) is blocked by blocks; on the E side, a 10 cm wide slot. On the other side, the diaclase est (joint) is also obstructed by a collapse. Un
Progressione
The descent is made over 6 m in a 1 m wide joint, beneath a wedged block, to a first ledge, then by stepped blocks to a second ledge at -13. Below lies the vertical shaft of 17 m. At the -13 ledge, an ascending passage leads to a constriction that opens onto a 10 m vertical drop followed by a steep slope with a wedged block. The floor communicates with that of the first shaft through the 10 cm wide slot.
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Grotte vicine
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, nomi · ottenuti il 2026-10-19 · https://grottocenter.org/ui/entrances/33923 · 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 · 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 2026-10-17 · https://grottocenter.org/ui/entrances/33923 · dati aggiornati a 2026