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New updated results of paleomagnetic dating of cave deposits exposed in Za Hájovnou Cave, Javoříčko Karst

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    0434146 - GFÚ 2015 RIV CZ eng J - Článek v odborném periodiku
    Kadlec, Jaroslav - Čížková, Kristýna - Šlechta, Stanislav
    New updated results of paleomagnetic dating of cave deposits exposed in Za Hájovnou Cave, Javoříčko Karst.
    Acta Musei Nationalis Pragae, Series B - Historia Naturalis. Roč. 70, 1-2 (2014), s. 27-34. ISSN 0036-5343
    Institucionální podpora: RVO:67985530 ; RVO:67985831
    Klíčová slova: Javoříčko Karst * Za Hájovnou Cave * Early and Middle Pleistocene * paleomagnetic dating
    Kód oboru RIV: DB - Geologie a mineralogie

    Clastic cave deposits exposed in Za Hájovnou Cave in Javoříčko Karst were recently dated using a superconducting rock magnetometer evice. Normal polarities identified in the upper portion of the sedimentary fill are interpreted as a normal Brunhes Chron imprint (sediments are younger than 781 ka). The sediments in the lower portions of the sequence reveal reversed or transition polarities which could be interpreted as a Matuyama Chron imprint (sediments are older than 781 ka). In the current research, the sediment magnetic fabric was assessed based on anisotropy of magnetic susceptibility. The sediment magnetic fabric was controlled by local water flow combined with cavity morphology.
    Trvalý link: http://hdl.handle.net/11104/0238282

     
     
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