
Avenc de la Línia
A 12-metre-deep pit in Olesa de Bonesvalls, Ordal, explored by SIEP-CE Poblet in 1975.
EspeleoWorld
Avenc de la Línia
A 12-metre-deep pit in Olesa de Bonesvalls, Ordal, explored by SIEP-CE Poblet in 1975.
Olesa de Bonesvalls · Alt Penedès
Sviluppo: 24 m · Profondità: 12 m
Scheda aggiornata
https://espeleoworld.com/it/c/avenc-de-la-linia
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A 12-metre-deep pit in Olesa de Bonesvalls, Ordal, explored by SIEP-CE Poblet in 1975.
Topografia
Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Immagine © del suo autore.
Foto
Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Immagine © del suo autore.
Descrizione
Morfologia
We find a rectangular mouth of about 5 x 3 m. We will descend a 9.20 m pit; this pit, at 3.80 m, has a ledge by which we access a small gallery 0.50 m wide, and with a direction of 85º; we advance 1.50 m and we come across a rise of +1 m, here we find two tiny crawls of about 2 m in length.
The pit continues with dimensions of 1.80 x 1.40 m, meeting the ceiling of a small room through a flowstone.
Once at the base of the P.9.20, we advance along a descending ramp for about 3 m; here we find a fissure about 3 m high by about 0.60 m wide with a rock bridge at 0.70 m high. Climbing this r+0.70 we reach a pit (r.3.40) that is easily down-climbable. This final pit has a width of 0.50 m and a length of 1.20 m, and has been the object of an attempted clearing. Here is the maximum height difference point.
Returning to the small room, if we position ourselves at the base of the pit, and in direction 200º, we find an r+1.40 that leads to a crawl of about 2.50 m.
Storia
Explored for the first time by SIEP-CE Poblet (Barcelona) in 1975, after being located by a member of the group who was working on the installation of the power line.
Many years ago, unidentified cavers carried out an important clearing in the cavity and although they did not manage to increase the depth of the pit, they did change its morphology, with differences existing between the new survey and that of its discoverers.
Around 2004 someone incorrectly painted at the mouth: Avenc de la Revella, thinking it was this cavity of -10 m, which must be in the area but which we have no news of having been located, despite the search.
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Bibliografia
- Rubinat Aumedes, Francesc.(1988).-”Catàleg Espeleològic del Massís de Garraf-Unitat Septentrional” EspeleoSie (30):13-65. SIE – CE Àliga. Barcelona.
- Rubinat Aumedes, Francesc.(2004).-Catàleg Espeleològic del Massís de l'Ordal. (EspeleoSie monogràfic):1-117. SIE – CE Àliga. Barcelona.
- Talavera, F.(1976).-”Avenc de la Línia”. Cavernas (19-20):29-31. G.E. Badalona.
- Actualització de dades, topografia (2012) i fotografia extretes del blog: cavitatsdecatalunya.blogspot (de Jordi de Valles). Apunt del 13-2-2014. Dades: Enric Porcel (GEB)
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Fonte: Espeleoindex (espeleoindex.com), modificato. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/
