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  • Upper Ladinian to Lower Carnian sedimentary evolution in the Idrija-Cerkno region, Western Slovenia
    Šmuc, Andrej, 1974- ; Čar, Jože
    An Upper Ladinian to Lower Carnian succession in the Idrija-Cerkno region (W Slovenia) is described and correlated with similar successions in the Dolomites. Structurally, the area belongs to the ... Rodne unit (Trnovo nappe, NW Dinarides). The succession was reconstructed from three stratigraphycally superimposed sections. The Orehovska Grapa section is characterised by fine-grained turbidites composed of sandy mudstones with intercalations of lenses and beds of trachy-andesite tuff and resedimented tuffs. Beds of hemipelagic light grey wackestone are rarely interstratified. These rock are correlative with the Upper Ladinian Wengen Group. The Police 1 section is composed of black shaly marls and mudstones, hemipelagic wackestone, tuffaceous sandstones, and in the upper part, of calciturbidites overlain by black laminated shales. The section is correlated with the lower part of the San Cassiano Formation. The Police 2 section consists mainly of wavy bedded peloidal and bioclastic limestone, alternating with thin interbeds of shaly mudstones and marls. The limestone and mudstones are interpreted as tempestites and gradually pass into bedded and massive dolomite of Early Carnian Age. This succession is similar to the transition from the San Cassiano Formation to the Cassian Dolomite. The studied succession represents a shallowing upward basinal sequence capped by carbonate platform deposits. Palaeogeographically it is a Late Ladinian transition from the carbonate platform in the south to the typical basinal area in the north.
    Vir: Facies. - ISSN 0172-9179 (Letn. 46, 2002, str. 205-216)
    Vrsta gradiva - članek, sestavni del
    Leto - 2002
    Jezik - angleški
    COBISS.SI-ID - 19564589

vir: Facies. - ISSN 0172-9179 (Letn. 46, 2002, str. 205-216)
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