Structure and the age of conglomerates of Mount Southern Demerdzhi based on the first U/Pb dating of detrital zircons (Upper Jurassic, Crimean Mountains)

S. V. Rud'ko; N. B. Kuznetsov; T. V. Romanyuk; E. A. Belousova

doi:10.1134/S1028334X18110223

Structure and the age of conglomerates of Mount Southern Demerdzhi based on the first U/Pb dating of detrital zircons (Upper Jurassic, Crimean Mountains)

S. V. Rud'ko, N. B. Kuznetsov, T. V. Romanyuk^*, E. A. Belousova

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

U/Pb-isotope dating of detrital zircons from conglomerates of the reference section of the Demerdzhi Formation on the western slope of Mount Southern Demerdzhi was carried out. A cluster of the five youngest, reliably dated zircons with an average age of 154.1 ± 0.73 Ma was revealed, which indicates that the formation of conglomerates overlying the studied layer began to form not earlier than in the Late Kimmeridgian. The dating obtained forces us to reconsider the age of the Demerdzhi Formation, which was previously specified as Oxfordian–Early Kimmeridgian. New data on the age of thecoarse-grained sedimentary rocks of the Crimean Mountains advance concepts about Late Jurassic Cimmerian tectonic activity on the northern Tethys margin.

Original language	English
Pages (from-to)	1423-1426
Number of pages	4
Journal	Doklady Earth Sciences
Volume	483
Issue number	1
DOIs	https://doi.org/10.1134/S1028334X18110223
Publication status	Published - Dec 2018

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title = "Structure and the age of conglomerates of Mount Southern Demerdzhi based on the first U/Pb dating of detrital zircons (Upper Jurassic, Crimean Mountains)",

abstract = "U/Pb-isotope dating of detrital zircons from conglomerates of the reference section of the Demerdzhi Formation on the western slope of Mount Southern Demerdzhi was carried out. A cluster of the five youngest, reliably dated zircons with an average age of 154.1 ± 0.73 Ma was revealed, which indicates that the formation of conglomerates overlying the studied layer began to form not earlier than in the Late Kimmeridgian. The dating obtained forces us to reconsider the age of the Demerdzhi Formation, which was previously specified as Oxfordian–Early Kimmeridgian. New data on the age of thecoarse-grained sedimentary rocks of the Crimean Mountains advance concepts about Late Jurassic Cimmerian tectonic activity on the northern Tethys margin.",

author = "Rud'ko, {S. V.} and Kuznetsov, {N. B.} and Romanyuk, {T. V.} and Belousova, {E. A.}",

year = "2018",

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doi = "10.1134/S1028334X18110223",

language = "English",

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AU - Rud'ko, S. V.

AU - Kuznetsov, N. B.

AU - Romanyuk, T. V.

AU - Belousova, E. A.

PY - 2018/12

Y1 - 2018/12

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AB - U/Pb-isotope dating of detrital zircons from conglomerates of the reference section of the Demerdzhi Formation on the western slope of Mount Southern Demerdzhi was carried out. A cluster of the five youngest, reliably dated zircons with an average age of 154.1 ± 0.73 Ma was revealed, which indicates that the formation of conglomerates overlying the studied layer began to form not earlier than in the Late Kimmeridgian. The dating obtained forces us to reconsider the age of the Demerdzhi Formation, which was previously specified as Oxfordian–Early Kimmeridgian. New data on the age of thecoarse-grained sedimentary rocks of the Crimean Mountains advance concepts about Late Jurassic Cimmerian tectonic activity on the northern Tethys margin.

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Structure and the age of conglomerates of Mount Southern Demerdzhi based on the first U/Pb dating of detrital zircons (Upper Jurassic, Crimean Mountains)

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