Avenc del Martellet
A 25 m deep pit in the Fondo de Vallbona (Garraf), with two entrances, 14 and 8 m shafts and abundant lithogenic decoration.
EspeleoWorld
Avenc del Martellet
A 25 m deep pit in the Fondo de Vallbona (Garraf), with two entrances, 14 and 8 m shafts and abundant lithogenic decoration.
Sitges · Garraf
Length: 35 m · Depth: 25 m
Updated record
https://espeleoworld.com/en/c/avenc-del-martellet
Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.
A 25 m deep pit in the Fondo de Vallbona (Garraf), with two entrances, 14 and 8 m shafts and abundant lithogenic decoration.
Topographic
Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Image © its author.
Photos
Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Image © its author.
Description
Morphology
The cavity has two medium-sized entrances with a height difference of 3 metres between them. Entering through the lower entrance, a 14-metre shaft is descended, with a jointed appearance and the walls of the final section heavily covered in concretions. At its base and, in a SW direction, there is a narrow passage between flowstones, giving way to an 8-metre shaft where the pit ends.
Speleothems
The entire lower sector is very well decorated with lithogenic forms of all kinds.
Progression
Entering through the lower entrance, a 14-metre shaft is descended. At its base and, in a SW direction, there is a narrow passage between flowstones that had to be cleared, giving way to an 8-metre shaft where the pit ends.
History
The cavity was discovered by chance in March 2003 by members of the Speleology Section of the Centre Excursionista de Sitges. Shortly afterwards it was explored and surveyed by them and colleagues from the GET of the Agrupació Excursionista Talaia (Vilanova i la Geltrú).
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Bibliography
- SE - Centre Excursionista de Sitges i GET – Agrupació Excursionista Talaia (2004).- “Avenc del Martellet. La darrera descoberta al Garraf” EspeleoCAT (2): 15. Federació Catalana d'Espeleologia. Barcelona.
- Situació i Fotografia facilitades per Lluís Muntan.
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Source: Espeleoindex (espeleoindex.com), modified. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/