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Sima AR-18 Bis

Vertical pit 51 metres deep located in a meadow next to the forest, between the AR-17 and AR-18 sinkholes, in Navarra.

Ochagavía/Otsagabia 50m

Vertical pit 51 metres deep located in a meadow next to the forest, between the AR-17 and AR-18 sinkholes, in Navarra.

Caratteristiche

Località

It is located in the middle of the meadow, near the forest in the interfluve of the AR-17 and AR-18 sinkholes, at its highest part, about 100 metres east of the AR-18 sinkhole. It is found at the boundary of the meadows with the wooded rocky area.

Mappa

Ingressi

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  1. Sima AR-18 Bis

    Quota: 1302 m

    42.951881, -1.146726
    UTM 30T (ED 50) 651284 4757347
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Descrizione

Morfologia

It is an absolute vertical (single shaft) of 51 metres, with a ledge at -40 metres. This type of pit is very common in these areas, its elliptical-conical shape being its most usual characteristic, a process produced by chemical dissolution.

Altri dettagli

Inside we can find "a large amount of rubbish" at its bottom, remains coming mainly from the lack of control and information of the livestock farmers and shepherds of the place. This cavity has been fenced off by the Department of Public Works of the Government of Navarra.

Storia

2008 Research BERRENDI, ABODI NORTE G.Satorrak

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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