Ilaun
Small collapsed doline in bedrock with a joint fissure of karren morphology on its North flank.
EspeleoWorld
Ilaun
Small collapsed doline in bedrock with a joint fissure of karren morphology on its North flank.
Araitz
Sviluppo: 11 m · Profondità: 7 m
Scheda aggiornata
https://espeleoworld.com/it/c/ilaun-araitz
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Small collapsed doline in bedrock with a joint fissure of karren morphology on its North flank.
Descrizione
Morfologia
A small doline, totally collapsed with large blocks, opens up. This doline is opened in bedrock, the dip of the different limestone packages being perfectly visible. On the North flank of this doline opens the joint that gave rise to it, cutting transversely across a stratum. It is a joint fissure with a direction of 32 degrees North, which opens radially to the small doline. The walls of this fissure are of bedrock, covered with some moss and with a multitude of flutes (karren morphology). Towards the centre of the doline the fissure is totally collapsed with blocks, especially in its upper part, which are probably the same blocks that collapse the small doline. Towards the other end the cavity is seen to be closed due to the progressive narrowing of the fissure.
Altri dettagli
The floor is covered with leaves and organic detritus with the occasional block.
Storia
1993 Prospection Aralar G.E.E
Research Aralar 2001 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