Ormazarreta I
Ormazarreta cavity, in Aralar, with 400 m of vertical drop and half a kilometre of development, discovered in 1949.
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Ormazarreta I
Ormazarreta cavity, in Aralar, with 400 m of vertical drop and half a kilometre of development, discovered in 1949.
Sierra de Aralar
Sviluppo: 802 m · Profondità: 404 m
Scheda aggiornata
https://espeleoworld.com/it/c/ormazarreta-i-sierra-de-aralar
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Ormazarreta cavity, in Aralar, with 400 m of vertical drop and half a kilometre of development, discovered in 1949.
Descrizione
Morfologia
The set of its galleries presents a narrow meander development in the first 100 m of vertical drop, passing to a strong vertical development in the middle part and to a slope in the final part. The total vertical drop is 400 m and its development half a kilometre.
Idrologia
The surplus water from de la fuente of the same name ends up in the doline in which the cavity is found.
Storia
Discovered in 1949. In 1955 it became one of the deepest cavities in Spain and in rivalry with the Torca del Carlista, Carranza (Vizcaya), explored in 1958. In later years several explorations would give rise to new development until reaching -404 metres of depth.
1949: discovered. 1953/55: Institución Príncipe de Viana. 1979/85: XIV Jornadas de Espeleología, Sociedad de Ciencias de Aranzadi (Donostia), G.E.A, S.C.N.A, G.E.A, I.P.V.E, G.E.C.D. 1989: Estudio Hidrogeológico del Sistema Kárstico de Ormazarreta, Carlos Galán. 1991: Estudio Biológico de Líquenes Cavernícolas (CALVO-ARBIZU-BEATRIZ). 14 February 1996: the protection closure of the cavity is carried out according to Orden Foral 3454/1995 of 23 November of the Consejo de Obras Públicas, Transportes y Comunicaciones (Pamplona, 27 February 1997). 2009: Investigación Aralar G. Satorrak.
Note biospeleologiche
Ormazarreta I-Aralar: Coleoptera, Collembola.
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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