Email this article New minimal 87SR/86SR values in biogenic carbonates of the Permian of the Omolon massif (North-Eastern Asia)
- Authors: Biakov A.S.1,2, Brynko I.V.1, Bond D.P.3, Harvey J.4, Goryachev N.A.1, Vedernikov I.L.1, Filimonova T.V.5
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Affiliations:
- North-East Interdisciplinary Scientific Research Institute of Far East Branch of the Russian Academy of Sciences
- Kazan Federal University
- University of Hull
- University of Leeds
- Geological Institute, Research Organization of the Russian Academy of Sciences
- Issue: Vol 488, No 4 (2019)
- Pages: 397-402
- Section: Geology
- URL: https://journals.eco-vector.com/0869-5652/article/view/17681
- DOI: https://doi.org/10.31857/S0869-56524884397-402
- ID: 17681
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Abstract
For the first time very low values (up to 0,706707) of the ratio 87Sr/86Sr were recorded in the biogenic carbonates of the Omolon massif (Northeast Asia) of the Capitanian age. These results are in good agreement with previously obtained data on limestones in Japan (Kani et al., 2013; 2018). In general, the strontium ratio curve constructed by us repeats the well-known world trend, differing by its somewhat underestimated (by an average of 0,000-0,0008) its values. The Capitanian strontium minimum can be associated with the entry into the ocean of significant amounts of lightweight femic strontium due to a sharp increase in paleospreading. The maximum values of the strontium ratio, obtained from the middle part of the Intomodesma evenicum bivalve Subzone are 0,706986, which corresponds to the upper part of the Wuchiapingian stage.
About the authors
A. S. Biakov
North-East Interdisciplinary Scientific Research Institute of Far East Branch of the Russian Academy of Sciences; Kazan Federal University
Author for correspondence.
Email: abiakov@mail.ru
Russian Federation, 16, Portovaya street, Magadan, 685000; 18, Kremliovskaya street, Kazan, 420008
I. V. Brynko
North-East Interdisciplinary Scientific Research Institute of Far East Branch of the Russian Academy of Sciences
Email: abiakov@mail.ru
Russian Federation, 16, Portovaya street, Magadan, 685000
D. P. Bond
University of Hull
Email: abiakov@mail.ru
United Kingdom, HU6 7RX, Hull, Cottingham Rd
J. Harvey
University of Leeds
Email: abiakov@mail.ru
United Kingdom, Leeds, LS2 9JT
N. A. Goryachev
North-East Interdisciplinary Scientific Research Institute of Far East Branch of the Russian Academy of Sciences
Email: abiakov@mail.ru
Corresponding Member of the Russian Academy of Sciences
Russian Federation, 16, Portovaya street, Magadan, 685000I. L. Vedernikov
North-East Interdisciplinary Scientific Research Institute of Far East Branch of the Russian Academy of Sciences
Email: abiakov@mail.ru
Russian Federation, 16, Portovaya street, Magadan, 685000
T. V. Filimonova
Geological Institute, Research Organization of the Russian Academy of Sciences
Email: abiakov@mail.ru
Russian Federation, 7, Pyzhevsky lane, Moscow, 119017
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