BU-4
Karstic cavity northwest of Budoguía with a 14-metre pitch and a 126-metre pit reaching a depth of 338 metres.
EspeleoWorld
BU-4
Karstic cavity northwest of Budoguía with a 14-metre pitch and a 126-metre pit reaching a depth of 338 metres.
Isaba/Izaba
Sviluppo: 580 m · Profondità: 355 m
Scheda aggiornata
https://espeleoworld.com/it/c/bu-4-isaba-izaba
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Karstic cavity northwest of Budoguía with a 14-metre pitch and a 126-metre pit reaching a depth of 338 metres.
Descrizione
Morfologia
The cavity begins with a 14-metre pitch and a narrow fissure that is overcome by opposition, leading to the head of a 126-metre pit measuring 10 x 4, followed by a 72-metre shaft and other pitches until reaching a depth of 338 metres.
Progressione
Access is from the Hoya del Solano (Zuriza) or from the Belagoa valley (Lapazarra). The narrow fissure is overcome by opposition.
Storia
1978: S.E.C.E. Monserrat (Manresa).
1979: Amalgama (J.F. Pernette).
1981: Investigación Francia España.
1988: KATOWICE Group of Poland, geological structure study.
1993: Amalgama (ARSIP, G. Auscitain., G.S.H.P - S.S. Plantaurel).
2006: Larra G.Satorrak research.
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Fonte: Gobierno de Navarra – Catálogo espeleológico de Navarra (datosabiertos.navarra.es), modificato. CC BY 4.0, https://creativecommons.org/licenses/by/4.0/ Gobierno de Navarra · dati aggiornati a 2022