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An apparent contradiction between structural and sedimentological indications commonly used for discrimination of the overturned and non-overturned beds during geological mapping was found at Parsovice, a site situated in the easternmost part of the European Variscides. An outcrop of folded Lower Carboniferous siliciclastic rocks of the "Culm fades" lies on the NE margin of the Bohemian Massif, in the SE part of the Malenik Block (Moravia, Czech Republic). Flute casts in the steep overturned limb of a tectonic fold demonstrate the normal stratigraphic polarity of the bed. At the same site, a slump-related isoclinal fold was found. The apparent contradiction between structural (relation of cleavage and bedding) and sedimentological (flute casts on bed soles) indications is explained by a combination of successive phases of slump- and tectonically-related folding.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
391--396
Opis fizyczny
fot., wykr., bibliogr. 10 poz.
Twórcy
Bibliografia
- DEBACKER T. N., SINTUBIN M. and VERNIERS J. (2001) - Large-scale slumping deduced from structural and sedimentary features in the Lower Palaeozoic Anglo-Brabant fold belt, Belgium. J. Geol. Soc., 158 (2): 341-352.
- DVORAK J. (1987) - Slumping in the greywackes in the quarry near Sosuvka (W part of the Drahany Upland) (in Czech with English summary). Cas. mineral. geol., 32 (3): 305-308.
- DVORAK J. (1994) - Variscan flysch development in the Nizky Jesenik Mts. in Moravia and Silesia (in Czech with English summary). Czech Geol. Surv. Spec. Pap., 3. Praha.
- GRYGAR R. and VAVRO M. (1995) - Evolution of Lugosilesian Orocline (north-eastern periphery of the Bohemian massif): Kinematics of Variscan deformation. J. Czech Geol. Soc., 40 (1-2): 65-90.
- HAVlR J., DVORAK V. and OTAVA J. (2003) - New results of the structural study of Palaeozoic near Hranice (in Czech with English summary). Geol. vyzk. Mor. Slez. v r. 2002, 10: 48-51.
- KODYM O., FUSAN O. and MATEJKA A. (1967) - Geological map of CSSR 1:500 000. Ustr. Ust. Geol. Praha.
- KUMPERA O. (1983) - Geology of the Lower Carboniferous of the Jeseniky Block (in Czech with English summary). Knih. Ustf. Ust. Geol., 59: 5-172.
- MAHEE M. (ed.) (1973) - Tectonic map of the Carpathian-Balkan mountain system and adjacent areas 1:1 000 000. GUDS Bratislava/UNESCO Paris.
- RAMSAY J. G. and HUBER M. I. (1987) - Techniques of modern structural geology, 2: Folds and fractures: 309-700. Acad. Press.
- ROTH Z. (1990) - Geological map of CSSR 1:200 000, M-33-XXIV Olomouc. 2nd edition, Ustr. Ust. Geol. Praha.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BUS2-0011-0023