Late Ediacaran glacial deposits of the Baykonur Formation, Middle Tianshan of east Kyrgyzstan: age substantiation based on detrital zircon U-Th-Pb (LA-ICP-MS) geochronological study

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Late Ediacaran glacial deposits of the Baykonur Formation, Middle Tianshan of east Kyrgyzstan: age substantiation based on detrital zircon U-Th-Pb (LA-ICP-MS) geochronological study. / Alexeiev, D.V.; Khudoley, A.K.; Shevkunov, A.G.; Kulikova, A.V.; Aidarkulov, T.N.; Minnebaev , K.R.

In: Doklady Earth Sciences, Vol. 520, No. 2, 24, 01.02.2025.

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

BibTeX

@article{cd285b6adfa240e4956745d5b33ee0a5,

title = "Late Ediacaran glacial deposits of the Baykonur Formation, Middle Tianshan of east Kyrgyzstan: age substantiation based on detrital zircon U-Th-Pb (LA-ICP-MS) geochronological study",

abstract = "Abstract: The results of U‒Th‒Pb (LA-ICP-MS) dating of detrital zircons reveal late Ediacaran ca 556–540 Ma age of the Baykonur Formation and eponymous glaciation in the Middle Tianshan (MTS) of eastern Kyrgyzstan. The widespread occurrence of the Baykonur diamictites in Kazakhstan and the Tianshan over a distance of more than 1600 km points to a significant extent of glaciation. The association of glacial deposits with shallow-marine fine-grained siliciclastic and carbonate facies indicates lack of connection with mountain glaciers. In the Tarim Craton, which in the Precambrian represented a single continent with the MTS, the stratigraphic correlative of the Baykonur Formation is the Hankalchough diamictite which has a similar age according to chemostratigraphic data. Paleomagnetic data indicating that in the Ediacaran the Tarim and MTS located at low latitudes",

keywords = "Middle Tianshan, U–Th–Pb dating, detrital zircon, diamictite, late Ediacaran",

author = "D.V. Alexeiev and A.K. Khudoley and A.G. Shevkunov and A.V. Kulikova and T.N. Aidarkulov and K.R. Minnebaev",

note = "Alexeiev D.V., Khudoley A.K., Shevkunov A.G., Kulikova A.V., Aidarkulov T.N., Minnebaev K.R. Late Ediacaran glacial deposits of the Baykonur Formation, Middle Tianshan of east Kyrgyzstan: age substantiation based on detrital zircon U-Th-Pb (LA-ICP-MS) geochronological study. Doklady Earth Sciences. 2025 v. 520:24. https://doi.org/10.1134/S1028334X24604838",

year = "2025",

month = feb,

day = "1",

doi = "10.1134/S1028334X24604838",

language = "English",

volume = "520",

journal = "Doklady Earth Sciences",

issn = "1028-334X",

publisher = "МАИК {"}Наука/Интерпериодика{"}",

number = "2",

}

RIS

TY - JOUR

T1 - Late Ediacaran glacial deposits of the Baykonur Formation, Middle Tianshan of east Kyrgyzstan: age substantiation based on detrital zircon U-Th-Pb (LA-ICP-MS) geochronological study

AU - Alexeiev, D.V.

AU - Khudoley, A.K.

AU - Shevkunov, A.G.

AU - Kulikova, A.V.

AU - Aidarkulov, T.N.

AU - Minnebaev , K.R.

N1 - Alexeiev D.V., Khudoley A.K., Shevkunov A.G., Kulikova A.V., Aidarkulov T.N., Minnebaev K.R. Late Ediacaran glacial deposits of the Baykonur Formation, Middle Tianshan of east Kyrgyzstan: age substantiation based on detrital zircon U-Th-Pb (LA-ICP-MS) geochronological study. Doklady Earth Sciences. 2025 v. 520:24. https://doi.org/10.1134/S1028334X24604838

PY - 2025/2/1

Y1 - 2025/2/1

N2 - Abstract: The results of U‒Th‒Pb (LA-ICP-MS) dating of detrital zircons reveal late Ediacaran ca 556–540 Ma age of the Baykonur Formation and eponymous glaciation in the Middle Tianshan (MTS) of eastern Kyrgyzstan. The widespread occurrence of the Baykonur diamictites in Kazakhstan and the Tianshan over a distance of more than 1600 km points to a significant extent of glaciation. The association of glacial deposits with shallow-marine fine-grained siliciclastic and carbonate facies indicates lack of connection with mountain glaciers. In the Tarim Craton, which in the Precambrian represented a single continent with the MTS, the stratigraphic correlative of the Baykonur Formation is the Hankalchough diamictite which has a similar age according to chemostratigraphic data. Paleomagnetic data indicating that in the Ediacaran the Tarim and MTS located at low latitudes

AB - Abstract: The results of U‒Th‒Pb (LA-ICP-MS) dating of detrital zircons reveal late Ediacaran ca 556–540 Ma age of the Baykonur Formation and eponymous glaciation in the Middle Tianshan (MTS) of eastern Kyrgyzstan. The widespread occurrence of the Baykonur diamictites in Kazakhstan and the Tianshan over a distance of more than 1600 km points to a significant extent of glaciation. The association of glacial deposits with shallow-marine fine-grained siliciclastic and carbonate facies indicates lack of connection with mountain glaciers. In the Tarim Craton, which in the Precambrian represented a single continent with the MTS, the stratigraphic correlative of the Baykonur Formation is the Hankalchough diamictite which has a similar age according to chemostratigraphic data. Paleomagnetic data indicating that in the Ediacaran the Tarim and MTS located at low latitudes

KW - Middle Tianshan

KW - U–Th–Pb dating

KW - detrital zircon

KW - diamictite

KW - late Ediacaran

UR - https://www.mendeley.com/catalogue/927fd1c8-5204-3a3e-a6d8-7a5ad660819c/

U2 - 10.1134/S1028334X24604838

DO - 10.1134/S1028334X24604838

M3 - Article

VL - 520

JO - Doklady Earth Sciences

JF - Doklady Earth Sciences

SN - 1028-334X

IS - 2

M1 - 24

ER -

ID: 144954529