De Magnesitas
Magnesite mining created a large funnel about 30 m deep and 30 m in diameter, forcing the waters of a spring to be diverted to the reservoir.
EspeleoWorld
De Magnesitas
Magnesite mining created a large funnel about 30 m deep and 30 m in diameter, forcing the waters of a spring to be diverted to the reservoir.
Esteribar
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https://espeleoworld.com/it/c/de-magnesitas-esteribar
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Magnesite mining created a large funnel about 30 m deep and 30 m in diameter, forcing the waters of a spring to be diverted to the reservoir.
Descrizione
Morfologia
The mining of magnesite on various fronts has given rise to a large movement of materials, such as the one located on the road to the mines, which has the shape of a large funnel about 30 m deep by as many in diameter.
Idrologia
In the funnel on the road to the mines, the waters of a large spring have had to be diverted to the reservoir, while at the same time the waters located at the bottom of the dolomites are raised, there being a reference that previously they filtered into these materials.
Storia
1975 Institución Príncipe de Viana & Departamento de Obras Publicas
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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