Ammonites and magnetostratigraphy of the Berriasian–Valanginian boundary deposits from eastern Crimea
Published: Dec 2017
Pages: 505 - 516
DOI: https://doi.org/10.1515/geoca-2017-0033
Authors: VLADIMIR V. ARKADIEV, VLADIMIR A. GRISHCHENKO, ANDREI YU. GUZHIKOV, ALEKSEY G. MANIKIN, YULIYA N. SAVELIEVA, ANNA A. FEODOROVA, OLGA V. SHUREKOVA
Abstract: Euthymi, Crassicostatum and Callisto ammonite subzones, correlable with Paramimounum, Picteti, and Alpillensis subzones and probably with the Late Berriasian Otopeta Subzone of the Boissieri Standard Zone have been recognized in calcareous clays of the Berriasian–Valanginian boundary sequence in the Feodosiya district (eastern Crimea). The ammonite Leptoceras studeri (Ooster) suggests Late Berriasian to Early Valanginian age. Geomagnetic polarity indicates M16–M14r magnetozones. Therefore, the base of the Valanginian sequence in eastern Crimea should be placed within the M14r magnetozone.
Keywords: Mountainous Crimea, Berriasian, Valanginian, ammonites, biostratigraphy, magnetostratigraphy, geomagnetic polarity, correlation
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Volume 68 no. 6 / December 2017
VLADIMIR V. ARKADIEV, VLADIMIR A. GRISHCHENKO, ANDREI YU. GUZHIKOV, ALEKSEY G. MANIKIN, YULIYA N. SAVELIEVA, ANNA A. FEODOROVA, OLGA V. SHUREKOVA
Ammonites and magnetostratigraphy of the Berriasian–Valanginian boundary deposits from eastern Crimea
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