BRZOBOHATÝ, Rostislav, Jiří KALVODA, Jiří FRÝDA and Vojtěch ERBAN. Strontium isotope record of the Hygophum hygomii otoliths from the European middle Miocene. Geobios. PARIS: Elsevier, 2016, vol. 49, No 5, p. 349-354. ISSN 0016-6995. Available from: https://dx.doi.org/10.1016/j.geobios.2016.06.007.
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Basic information
Original name Strontium isotope record of the Hygophum hygomii otoliths from the European middle Miocene
Authors BRZOBOHATÝ, Rostislav (203 Czech Republic, belonging to the institution), Jiří KALVODA (203 Czech Republic, belonging to the institution), Jiří FRÝDA (203 Czech Republic) and Vojtěch ERBAN (203 Czech Republic).
Edition Geobios, PARIS, Elsevier, 2016, 0016-6995.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10500 1.5. Earth and related environmental sciences
Country of publisher France
Confidentiality degree is not subject to a state or trade secret
Impact factor Impact factor: 1.431
RIV identification code RIV/00216224:14310/16:00094257
Organization unit Faculty of Science
Doi http://dx.doi.org/10.1016/j.geobios.2016.06.007
UT WoS 000389290900002
Keywords in English Sr isotopes; Chemostratigraphy; Otolith; Hygophum hygomii; Middle Miocene; Aquitaine Basin; Central Paratethys
Tags AKR, rivok
Changed by Changed by: prof. RNDr. Jiří Kalvoda, CSc., učo 2007. Changed: 13/3/2018 15:34.
Abstract
Sr-87/Sr-86 values from otoliths of the worldwide-distributed fish Hygophum hygomii are used for the purpose of isotope chemostratigraphy. In order to evaluate the potential of H. hygomii otoliths for strontium (Sr) isotopic studies, we first compare the Sr-87/Sr-86 ratio of current representatives of the species with that of modern sea water. Then, three fossil otoliths of H. hygomii collected in middle Miocene sediments of the Aquitaine Basin (Lafaurie locality, SW France) and the Carpathian Foredeep of the Central Paratethys (Brno-Kralovo Pole locality, SE Czech Republic) are analysed. The age inferred from the Sr-87/Sr-86 ratio at Lafaurie places the two analysed otoliths within the time interval of 15.5-15.1 Ma. This time interval matches the published early Langhian age obtained from the Sr-87/Sr-86 ratio of bivalves measured at the same locality. At the Brno-Kralovo Pole, the Sr-87/Sr-86 ratio of the analysed otolith returns a wider timespan of 14.78-13.10 Ma, falling into an interval of poor time resolution of the Sr-87/Sr-86 chemostratigraphy. Comparisons with published biostratigraphic and paleoclimatic data suggest that the analysed fossil otoliths of H. hygomii were mineralized during the late part of the Langhian, at 14.2 Ma. This work represents a first attempt to use otoliths for Sr-87/Sr-86 chemostratigraphy, and indicates that such a use may represent a powerful tool for testing stratigraphic correlations in the future. (C) 2016 Elsevier Masson SAS. All rights reserved.
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