Esquerdes de les Roques Grans
Parallel fissures on the western crag of the pla de les Roques Grans, in Pontons (Alt Penedès), with a surveyed length of 241 metres.
EspeleoWorld
Esquerdes de les Roques Grans
Parallel fissures on the western crag of the pla de les Roques Grans, in Pontons (Alt Penedès), with a surveyed length of 241 metres.
Pontons · Alt Penedès
Sviluppo: 241 m · Profondità: 15 m
Scheda aggiornata
https://espeleoworld.com/it/c/esquerdes-de-les-roques-grans
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Parallel fissures on the western crag of the pla de les Roques Grans, in Pontons (Alt Penedès), with a surveyed length of 241 metres.
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
A group of parallel fissures on the western crag of the pla de les Roques Grans. The entrance leads into a ramp-like gallery through which one enters a first stretch of gallery whose ceiling is formed by an accumulation of large blocks that later disappear as it becomes open to the sky, always maintaining the same width. The authors of the survey give a total length of the whole fissure of 241 metres but provide no data on the vertical drop. From the sections accompanying the survey we believe it may reach 15-20 metres in depth.
Concrezioni
In some places small lithogenic forms can be observed.
Progressione
Before reaching the end of the fissure, one can climb between blocks to the upper level of the crag.
Storia
Fissures cited by J. Virella in his list of cavities of the Penedès (1978). The only known data are those provided by members of SIRE – UEC Sants, who explored and surveyed them in November 1982.
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Bibliografia
- Aymamí, G. (1985).- “Contribució al coneixement espeleològic de l'Alt Penedès (3ª nota)”. Excursionisme (122): 29-30. Unió Excursionista de Catalunya. Barcelona.
- Fotografies actuals (2020) extretes del web: espeleodijous.cat (Apunt del 17-12-2020)
Grotte vicine
Fonte: Espeleoindex (espeleoindex.com), modificato. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/