P-12
Collapsed doline over a single 10-metre-deep shaft, with fluted walls and a floor of small stones and humus, located in the hawthorn copse beside the first reforestation pines.
EspeleoWorld
P-12
Collapsed doline over a single 10-metre-deep shaft, with fluted walls and a floor of small stones and humus, located in the hawthorn copse beside the first reforestation pines.
Valle de Yerri/Deierri
Profondità: 11 m
Scheda aggiornata
https://espeleoworld.com/it/c/p-12-valle-de-yerri-deierri
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Collapsed doline over a single 10-metre-deep shaft, with fluted walls and a floor of small stones and humus, located in the hawthorn copse beside the first reforestation pines.
Descrizione
Morfologia
Collapsed doline over a single shaft 10 metres deep with fluted walls. At its bottom, small stones and humus.
Idrologia
Sink of a surface stream over sandy marls, which maintains the alignment of dolines formed at the contact of marls and limestones.
Storia
1988/2006 Research Urbasa 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