Horat Ff-2
Surgència penetrable de 73 m. de recorregut a la Vall d'Aran.
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Horat Ff-2
Surgència penetrable de 73 m. de recorregut a la Vall d'Aran.
Vielha e Mijaran · Val d'Aran
Length: 73 m · Depth: 10 m
Updated record
https://espeleoworld.com/en/c/horat-ff-2
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Penetrable spring with a 73 m passage in the Vall d'Aran, discovered and explored by GIEG – AE de Granollers in 1988.
Topographic
Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Image © its author.
Description
Morphology
The cavity begins with a meandering gallery structured at an intersection of joints until a small watercourse is soon encountered. A narrow passage follows, low in ceiling, continuing into a spectacular gallery 8 metres high. The cave continues along the same joint ahead and gradually becomes more blocked by boulders until it becomes impassable. Morphologically the cavity presents some interesting current marks very well defined along its walls.
Hydrology
A little before entering the large gallery, on the left, a small gallery originates from which the waters come, presenting a form of forced-circulation erosion and on each opposite side creates a sumping arch that prevents progression.
Progression
The cavity begins with a meandering gallery structured at an intersection of joints until a small watercourse is soon encountered. A narrow passage follows, low in ceiling, continuing into a spectacular gallery 8 metres high. The cave continues along the same joint ahead and gradually becomes more blocked by boulders until it becomes impassable. A little before entering the large gallery, on the left, a small gallery originates from which the waters come, presenting a form of forced-circulation erosion and on each opposite side creates a sumping arch that prevents progression.
Other details
Notable is the presence of a strong air current and a very low temperature, even in summer.
History
Discovered and explored by members of GIEG – AE de Granollers during the 1988 campaign.
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Bibliography
Icart, J. (1991).- “Activitats del G.I.E.G. a la Vall d'Aran” Exploracions (15): 59-77. EC de Gràcia. Barcelona
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Source: Espeleoindex (espeleoindex.com), modified. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/