Number of the records: 1  

Matuyama/Brunhes magnetic reversal recorded in flowstone from the Račiškaka pečina Cave (Slovenia)

  1. 1.
    0584556 - GLÚ 2025 RIV GB eng J - Journal Article
    Pawlak, J. - Hercman, H. - Gąsiorowski, M. - Pruner, Petr - Błaszczyk, M. - Sierpień, P. - Matoušková, Šárka - Kdýr, Šimon - Schnabl, Petr - Zupan Hajna, N. - Mihevc, A. - Bosák, Pavel
    Matuyama/Brunhes magnetic reversal recorded in flowstone from the Račiškaka pečina Cave (Slovenia).
    Quaternary International. 686-687, March (2024), s. 4-17. ISSN 1040-6182. E-ISSN 1873-4553
    R&D Projects: GA AV ČR KSK3046108
    Grant - others:AV ČR(CZ) SAZU-16-03; AV ČR(CZ) SAZU-19-01; AV ČR(CZ) SAZU-22-08; AV ČR(CZ) PAN-17-22
    Program: Bilaterální spolupráce; Bilaterální spolupráce; Bilaterální spolupráce; Bilaterální spolupráce
    Institutional support: RVO:67985831
    Keywords : Early/Middle pleistocene boundary * Palaeomagnetism * Matuyama/Brunhes reversal * Multiproxy palaeoenvironmental record * Speleothems * Classical Karst
    OECD category: Geology
    Impact factor: 2.2, year: 2022
    Method of publishing: Limited access
    https://www.sciencedirect.com/science/article/pii/S1040618223001416?via%3Dihub

    A flowstone section in the Raˇciˇska peˇcina Cave (Classical Karst, SW Slovenia) records multiple chronostratigraphic and palaeoclimatic proxies that can be correlated with other records on the global scale (Mediterranean region, Japan). Its upper part has an excellent record of the Matuyama/Brunhes (M/B) magnetic reversal. The M/ B reversal zone, which is 6 mm in thickness, was detected by a high-resolution palaeomagnetic analysis of the sequence. An age model based on oxygen isotopic stratigraphy locates this quick transition in mid-MIS 19, between 777.9 and 777.2 ka, with the midpoint at 777.7 ka. The transition is marked by abrupt changes in stable isotopic compositions, trace element concentrations and flowstone fabrics that point to temperature and precipitation changes. Two distinct maxima in trace element concentrations at the beginning and the end of the M/B transition indicate two periods of higher precipitation, with increased washes of clay minerals into the cave. In addition, the stable isotopic (δ13C and δ18O) compositions indicate that significant cooling and high precipitation occurred during the M/B reversal within the generally warm MIS 19.
    Permanent Link: https://hdl.handle.net/11104/0352536

     
     
Number of the records: 1  

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