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  • Mineral composition of clastic material in fault zones and open fissures in karst rocks, examples from SW Slovenia
    Zupan Hajna, Nadja
    Three different types of clastic material may be distinguished based on its origin. The first type is infiltrated material into the open fissures from the surface. Mineral composition in that case ... depends on composition of rocks from were the weathering remains are originated. The second type is clastic material which is filled into opened fissures during floods of the caves, composition of it corresponds to the rock composition of underground water flow watershed. Sediments could be enriched in calcite or dolomite clasts, these are actually small particles of limestone or dolomite from the walls of underground water passages. The third type of clastic material is significant for inner part of fault zones. This is clay size material, which was formed by tectonic compression of carbonate rocks. Tectonic clay consists almost entirely of calcite or dolomite and their admixture, depends on mineral composition of parent rocks.
    Vir: Proceedings of the 12th International Congress of Speleology : La Chaux-de-Fonds, Switzerland, 10-17.08.1997 (str. 33-36)
    Vrsta gradiva - prispevek na konferenci
    Leto - 1997
    Jezik - angleški
    COBISS.SI-ID - 5137453

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