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Tajik Basin_uploading.pdf
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Final Accepted Manuscript
Author
Li, LinDupont‐Nivet, Guillaume
Najman, Yani
Kaya, Mustafa
Meijer, Niels
Poujol, Marc
Aminov, Jovid
Affiliation
Department of Geosciences, University of ArizonaIssue Date
2021-11-08
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Show full item recordPublisher
WileyCitation
Li, L., Dupont-Nivet, G., Najman, Y., Kaya, M., Meijer, N., Poujol, M., & Aminov, J. (2021). Middle to late Miocene growth of the North Pamir. Basin Research.Journal
Basin ResearchRights
© 2021 International Association of Sedimentologists and European Association of Geoscientists and Engineers and John Wiley & Sons Ltd.Collection Information
This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.Abstract
How and when the Pamir formed remains an open question. This study explores Pamir tectonics recorded in a sedimentary section in the eastern Tajik Basin. A prominent lithofacies change that has been recognised regionally is assigned to the middle Miocene (13.5 Ma based on preferred magnetostratigraphic correlation). Closely following this change, detrital zircon U-Pb age spectra and mudstone bulk-rock εNd values exhibit a sediment source change from the Central to the North Pamir estimated ca. 12 Ma. At the same time, the stable oxygen and carbon isotopic values of carbonate cements show negative and positive shifts, respectively. Combined with previous studies in both the Tajik and Tarim basins, these results suggest that the North Pamir experienced a middle–late Miocene phase of deformation and surface uplift. This supports models proposing middle–late Miocene Pamir tectonism, and climate models implying that coeval Pamir orogenesis deflected Westerly moisture and affected Asian environments.Note
12 month embargo; first published: 26 October 2021ISSN
0950-091XEISSN
1365-2117Version
Final accepted manuscriptSponsors
European Research Councilae974a485f413a2113503eed53cd6c53
10.1111/bre.12629