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Avenc Negre

A 41 m deep fissure at el Port (Horta de Sant Joan), SW of la Mola dels Atans, in the upper area of the barranc dels Cubars.

Horta de Sant Joan • Terra Alta 80m 41m

A 41 m deep fissure at el Port (Horta de Sant Joan), SW of la Mola dels Atans, in the upper area of the barranc dels Cubars.

Caratteristiche

Località

SW of la Mola dels Atans, in the upper area of the barranc dels Cubars. The entrance lies in the middle of a very steep slope.

Approximate coordinates and a low-precision location, taken from the data provided by its first, and possibly only, explorers.

Mappa

Ingressi

Verifica sempre le coordinate e le condizioni di accesso prima di partire.

  1. Negre, Avenc

    Quota: 905 m

    40.927040, 0.356040
    UTM 31T (ED 50) 277470 4534227
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Descrizione

Morfologia

A typical collapse fissure formed along a NW – SE trending fracture, affected by a significant clastic process. From the -21 level the joint becomes narrower and more elongated, notably hindering the descent, and it can reach 41 metres of depth where progression becomes impracticable, although the fissure can be seen to continue descending some 10 metres further.

Storia

Discovered and explored by members of the now-defunct Speleology Section of the GM GELERA (Barcelona) during a visit to the Gilaberta massif (el Port) in May 1977.

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Bibliografia

Balart, D. (1980).- “L'Avenc Negre” Polje (1): 19-20. Secció Espeleologia del Grup de Muntanya GELERA. Barcelona.

Fonte: Espeleoindex (espeleoindex.com), modificato. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/