15 de Julio
A fenced pit about 50 metres deep and 16 metres in diameter, opened at the crossing of two faults between Aldaon and Irumugarrieta, with great cavern development and airflow.
EspeleoWorld
15 de Julio
A fenced pit about 50 metres deep and 16 metres in diameter, opened at the crossing of two faults between Aldaon and Irumugarrieta, with great cavern development and airflow.
Araitz
Sviluppo: 135 m · Profondità: 118 m
Scheda aggiornata
https://espeleoworld.com/it/c/15-de-julio-araitz
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A fenced pit about 50 metres deep and 16 metres in diameter, opened at the crossing of two faults between Aldaon and Irumugarrieta, with great cavern development and airflow.
Descrizione
Morfologia
At the lowest point of the valley a fenced pit opens, about 50 metres deep and 16 metres in diameter. It is a cavity opened at the crossing of two faults with NW-SE and SW-NE directions. This cavity shows great cavern development. The dimensions and morphology of the cavity denote an importance within the underground network that has drained this area during the cold periods.
Idrologia
This cavity may have functioned as a glacial-type drain for the small basin formed between the summits of Aldaon and Irumugarrieta.
Altri dettagli
The chances of a shaft opening in the block chaos that collapses it are high, since this cavity shows great cavern development as well as airflow. A very interesting cavity, since despite being closed between blocks it has airflow.
Storia
2007 Research Aralar G.E.E
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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