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New insight on position of conglomerates from Starý Jičín in the Silesian Unit of the Carpathian Flysch Belt

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00025798%3A_____%2F23%3A10168936" target="_blank" >RIV/00025798:_____/23:10168936 - isvavai.cz</a>

  • Result on the web

    <a href="https://journals.muni.cz/gvms/article/view/33408/31836" target="_blank" >https://journals.muni.cz/gvms/article/view/33408/31836</a>

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    čeština

  • Original language name

    Nový pohled na pozici slepenců od Starého Jičína ve slezské jednotce flyšového pásma Karpat

  • Original language description

    The conglomerates and sandstones on the castle hill of Starý Jičín Castle, assigned by previous authors to units of different age and tectonic position, were studied from the point ofview of petrography and sedimentology in connection with detailed geological survey of the area. Thick-bedded conglomerates are characterized by sharp bases, massive or normalgradation and, in places, by imbrication of coarse clasts. They are product of high-density turbidite currents, debris flow, alternatively some layers may by products of hybrid sediment gravity flow deposits. The clastic component of the conglomerates is highly dominated by Štramberk-type limestones. Clasts of dolomitized limestones, Těšín-type detrital limestones and calcareous sandstones, and altered trachyte occur very rarely. Medium- and coarse-grained calcareous sandstones contain abundant lithoclasts and a relatively small proportion of quartz grains (20-30 %). A comparison with the conglomerate and sandstone of the Palkovice Formation from Kozlovice and Myslík showed considerable similarity. The sediments of both areas range within the upper Turonian-middle Coniacian interval based on previous micropalaeontological data. The conglomerates from Starý Jičín represent theproximal facies of the submarine fan in the lower slope (Kelč Facies Succession of the Silesian Unit), while the gravity flow deposits of the Palkovice Formation represent the more distal facies of the middle part of the submarine fan in continental rise (Baška Facies Succession). Based on sedimentological features, conglomerates from Starý Jičín can be classified as high-density turbidites, debris flow or hybrid sediment gravity flow deposits deposited in the upper part of a submarine fan. High-density and classical turbidites intercalated with claystone interlayers occurs in the Palkovice Formation of the Baška Facies Succession. Such an idea is in accordance with current knowledge on submarine fan architecture and with the assumed morphology of the former Silesian Basin.

  • Czech name

    Nový pohled na pozici slepenců od Starého Jičína ve slezské jednotce flyšového pásma Karpat

  • Czech description

    The conglomerates and sandstones on the castle hill of Starý Jičín Castle, assigned by previous authors to units of different age and tectonic position, were studied from the point ofview of petrography and sedimentology in connection with detailed geological survey of the area. Thick-bedded conglomerates are characterized by sharp bases, massive or normalgradation and, in places, by imbrication of coarse clasts. They are product of high-density turbidite currents, debris flow, alternatively some layers may by products of hybrid sediment gravity flow deposits. The clastic component of the conglomerates is highly dominated by Štramberk-type limestones. Clasts of dolomitized limestones, Těšín-type detrital limestones and calcareous sandstones, and altered trachyte occur very rarely. Medium- and coarse-grained calcareous sandstones contain abundant lithoclasts and a relatively small proportion of quartz grains (20-30 %). A comparison with the conglomerate and sandstone of the Palkovice Formation from Kozlovice and Myslík showed considerable similarity. The sediments of both areas range within the upper Turonian-middle Coniacian interval based on previous micropalaeontological data. The conglomerates from Starý Jičín represent theproximal facies of the submarine fan in the lower slope (Kelč Facies Succession of the Silesian Unit), while the gravity flow deposits of the Palkovice Formation represent the more distal facies of the middle part of the submarine fan in continental rise (Baška Facies Succession). Based on sedimentological features, conglomerates from Starý Jičín can be classified as high-density turbidites, debris flow or hybrid sediment gravity flow deposits deposited in the upper part of a submarine fan. High-density and classical turbidites intercalated with claystone interlayers occurs in the Palkovice Formation of the Baška Facies Succession. Such an idea is in accordance with current knowledge on submarine fan architecture and with the assumed morphology of the former Silesian Basin.

Classification

  • Type

    J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database

  • CEP classification

  • OECD FORD branch

    10505 - Geology

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2023

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Geologické výzkumy na Moravě a ve Slezsku v roce 2007

  • ISSN

    1212-6209

  • e-ISSN

    2336-4378

  • Volume of the periodical

    30

  • Issue of the periodical within the volume

    1-2

  • Country of publishing house

    CZ - CZECH REPUBLIC

  • Number of pages

    12

  • Pages from-to

    18-29

  • UT code for WoS article

  • EID of the result in the Scopus database

    2-s2.0-85183991119