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Dolomite Caves in Catalonia

Caves in dolomite share the karst origin of limestone caves —slow dissolution by infiltrating water— but the rock, richer in magnesium, tends to produce more irregular and, in many stretches, more fragile forms. It’s a common lithology in the catalog’s Prepyrenean and Pyrenean massifs, where dolomite appears interbedded with limestone within the same range.

There are 374 cavitats (150 coves i 224 avencs) catalogued with Dolomite lithology, mostly in Vallirana, Roquetes and Alfara de Carles. Avenc de la Miloquera, amb 769 m de recorregut.

The surveyed length of the caves with this data ranges from 1 to 769 metres. The depth ranges from 1 to 283 metres. Each entry includes exact location, coordinates and, where available, photographs and survey maps, with a downloadable GPX track. The whole list on this page can also be exported as CSV or JSON.

La litologia Dolomies és una roca carbonatada semblant a la calcària però rica en magnesi, també soluble encara que sovint de manera més lenta i irregular.

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