Record details

Title
    Okrajové vývoje sedimentů karpatské předhlubně na listech map 1 : 25 000 Blansko a Tišnov
Statement of responsibility
    Pavla Petrová, Jan Vít, Jiřina Čtyroká
Other titles
    13th Conference on Upper Tertiary, April 19-20, 2001 Proceedings (Variant.)
    Marginal sediments of the Carpathian Foredeep in the map sheets 1 : 25 000 Blansko and Tišnov
Author
    Čtyroká, Jiřina, 1939-
    Petrová, Pavla, 1972-
    Vít, Jan, 1967-
Language
    česky
Source title - serial
    Scripta facultatis scientiarum naturalium Universitatis Masarykianae brunensis. Geology
Vol./nr.
    Roč. 30
Pages
    s. 55-64
Year
    2000
Notes
    2 obr.
    Anglické resumé
    il.
    Obsahuje bibliografické odkazy
    Zkr. název ser.: Scr. Univ. Masaryk. brun., Geol.
Classfication no.
    55(1)
    551.7
Conspectus category
    55
Subject group
    baden
    biostratigrafie
    Foraminifera
    geologie regionální
    karpat
    karpatská neogenní předhlubeň
    litostratigrafie
    mapa geologická
    miocén
    ottnang
    předhlubeň
Geographical name
    Blansko
    ČR-Morava
    Tišnov (Brno-venkov, Tišnov)
Keyword
    25
    000
    Blansko
    Karpatské
    Listech
    Map
    Okrajové
    Předhlubně
    Sedimentů
    Tišnov
    Vývoje
Abstract (in english)
   Ottnangian, Karpatian and Lower Badenian sediments were studied in the map sheets 1 : 25 000 Blansko (24-322) and Tišnov (24-321). This region was very interesting for the scientists in the 19th century, many papers originated in the last century. Ottnangian sediments are represented by fluvial and limnic sandy clays, sands and sands with clay and gravel layers. They were rather micropaleotologically reduced, only redeposited Cretaceous foraminifers and clasts of sponge spicules were found. Two Karpatian samples of silty clays consist of relatively rich marine shallow water fauna with euryoxybiont taxa (for example Ammonia beccarii (L.), Porosononion granosum (d'Orb.), Nonion communae (d'Orb.), Hanzawaia boueana (d'Orb.), Hansenisca soldanii (d'Orb.), Pappina brevifonnis (Papp & Turn.), P. primiformis (Papp & Turn.), Uvigerina graciliformis Papp & Turn etc.).
   Lower Badenian sediments are represented by calcareous silty clay (,,tegel") with very rich and good developed marine microfauna of Lenticulina echinata zone sensu Cicha et al. (1995) - Lenticulina cultrata (Mont.), L. calcar (L.), L. inornata (d'Orb.), L. calcar quadrilobata Molčíková, L. vortex (Ficht. & Moll), L. similis (d'Orb.), Planulana moravica (Karr.), P. dentata (Karr.), P. cf. lanceolata (d'Orb.) etc. with local rich planktonic species (Praeorbulina ex gr. glomerosa, Orbulina suturalis Brb'n., Globigerina bulloides d'Orb., Globigerinoides quadrilobatus (d'Orb), G. trilobus (Rss.), G. cf sacculiferus (Brady), G. bisphericus Todd etc.). The planktonic forams document good communication of the gulf with open sea. The assemblages of forams are also shallow water such as species Ammonia beccarii (L.), Asterigerinata planorbis (d'Orb.), Cibicidoides ungerianus (d'Orb.), Heterolepa dutemplei (d'Orb.), Hanzawaia boueana (d'Orb.), Elphidium crispum (L.) etc.
   Lithological change on the line Dolní Loučky - Tišnov (W-E) - Hradčany - Čebín (NW-SE) also corresponds with stratigraphic change (Ottnangian/Lower Badenian) and these results can show on neotectonics movements. There are the blocks of different erosional levels in the studied area. We can suppose that the Karpatian transgression practically was such extensive as the Badenian one in the studied region
Contributor
    Česká geologická služba
Contributor code
    ČGS (UNM)
Source format
    U
Entered date
    4. 12. 2006
Import date
    8. 8. 2012