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Gamma-ray and magnetic susceptibility correlation across a Frasnian carbonate platform and the search for "punctata" equivalents in stromatoporoid-coral limestone facies of Moravia

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Treść / Zawartość
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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
A comparison of the HV-105 Křtiny gamma-ray log (carbonate platform margin and proximal slope, thickness of Frasnian beds ~270 m) with the three times thinner gamma-ray spectrometric section from Mokrá (inner platform, Frasnian ~93.5m) has significantly increased the reliability of stratigraphic correlation between the outer and inner platform areas, i.e. it has allowed strengthening of the detailed links between conodont-bearing and barren sequences. The detailed gamma-ray and magnetic susceptibility patterns also provide promising clues which might help trace the "punctata Zone" stratigraphic equivalents, located far in the interior of the platform stromatoporoid-coral facies.
Rocznik
Strony
283--292
Opis fizyczny
Bibliogr. 31 poz., rys.
Twórcy
autor
  • Faculty of Earth Sciences, Masaryk University, Kotlářská 2, 611-37 Brno, Czech Republic
autor
  • Institute of Geology, Academy of Sciences, Rozvojová 135, 165-02 Praha 6, Czech Republic
Bibliografia
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  • 3. BECKER R.T. and HOUSE M.R.(1998) - Proposals for an international substage subdivision of the Frasnian. Subcommission on Devonian Stratigraphy, Newsletter, 15: 17-22.
  • 4. CEJCHAN P. and HLADIL J. (1996) - Searching for extinction/recovery gradients: the Frasnian-Famennian interval, Mokrá Section, Moravia, central Europe. Geol. Soc. Spec. Publ. London, 102: 135-161.
  • 5. CHEN D., TUCKER M. E., ZHU J. and JIANG M. (2002) - Carbonate platform evolution: from a bioconstructed platform margin to a sand-shoal system (Devonian, Guilin, South China). Sedimentology, 49 (4): 737-764.
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  • 12. HLADIL J. (1980) - Toward the recognition of the Givetian/Frasnian boundary in the Devonian limestone complex of the eastern Bohemian Massif. Zemní Plyn Naita, 25: 25-32.
  • 13. HLADIL J. (1983) - The biofacies section of Devonian limestones in the Central part of the Moravian Karst. Sbor. Geol. Věd, Geol., 38: 71-94.
  • 14. HLADIL J. (2002) - Geophysical records of dispersed weathering products on the Frasnian carbonate platform and early Famennian ramps in Moravia, Czech Republic: proxies for eustasy and palaeoclimate. Palaeogeogr., Palaeoclimat., Palaeoecol., 181 (1-3): 213-250.
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  • 16. HLADÍKOVÁ J., HLADIL J. and ZUSKOVÁ J. (1997) - Discrimination between facies and global controls in isotope composition of carbonates: carbon and oxygen isotopes at the Devonian reef margin in Moravia (HV-105 Krtiny borehole). J. Czech Geol. Soc., 42 (1-2): 1-16.
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  • 19. KLAPPER G. (1997) - Graphic correlation of Frasnian (Upper Devonian) sequences in Montagne Noire, France, and Western Canada. In: Paleozoic Sequence Stratigraphy, Biostratigraphy, and Biogeography; Studies in Honor of J. Granville (“Jess”) (eds. G. Klapper, M. A. Murphy and J. A. Talent). Johnson. Geol. Soc. Amer., Spec. Paper, 321:113-129.
  • 20. KLAPPER G., FEIST R. and HOUSE M. R. (1987) - Decision on the boundary stratotype for the Middle/Upper Devonian series boundary. Episodes, 10 (2): 97-101.
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  • 25. SAGEMAN B. B., MURPHY A. E., WERNE J. P., VER STRAETEN C. A., HOLLANDER D. J. and LYONS T. W. (2003) - A tale of shales: the relative roles of production, decomposition, and dilution in the accumulation of organic-rich strata, Middle-Upper Devonian, Appalachian basin. Chem. Geol., 195: 229- 273.
  • 26. TEGEN I. and FUNG I. (1995) - Contribution to the atmospheric mineral aerosol load from land surface modification. J. Geophys. Res., 100: 18707-18726.
  • 27. ZIEGLER W. and SANDBERG C. A (1990) - The Late Devonian Standard Conodont Zonation. Cour. Forsch.-Inst. Senckenberg, 121: 1-115.
  • 28. ZIEGLER W. and SANDBERG C. A (2001) - Utility of palmatolepids and icriodontids in recognizing Upper Devonian series, stage, and possible substage boundaries. Cour. Forsch.-Inst. Senckenberg, 225: 335-347.
  • 29. ZUKALOVÁ V. (1971) - Stromatoporoidea from the Middle and Upper Devonian of the Moravian Karst. Rozpravy Ústředního ústavu geologického, 37: 5-143.
  • 30. ZUKALOVÁ V. (1980) - Stromatoporoids of the Devonian carbonate complex in Moravia (Czechoslovakia). Acta Palaeont. Pol., 25 (3-4): 671-679.
  • 31. ZUKALOVÁ V. and FRIÁKOVÁ O. (1986) - Biostratigraphy of the Devonian carbonates in the region south of Ostrava (Moravia). Acta Mus. Morav. Sc. Natur. Brno, 71: 23-53.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BAT3-0016-0049
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