gours |
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| navigate by keyword : caco3 calcite cave cavern caving creek dam europe form formation gours hole inflow karst karstology light limestone million nature pit rimstone rock shaft skocjan slovenia speleo speleothem stone type underground wall water wild years |
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| Rimstone, also called gours, a type of speleothem (cave formation) in the form of a stone dam. Skocjan Cave, Slovenia |
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