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Article: Mid-Miocene sea level altitude of the Qaidam Basin, northern Tibetan Plateau

TitleMid-Miocene sea level altitude of the Qaidam Basin, northern Tibetan Plateau
Authors
Issue Date3-Jan-2023
PublisherNature Research
Citation
Communications Earth & Environment, 2023, v. 4, n. 1 How to Cite?
Abstract

A detailed uplift history of the Tibetan Plateau is essential for disentangling the proposed geodynamical models and assessing its impacts on climate and biodiversity. However, when and how the plateau formed remains highly controversial. Here, we present unusual geochemical indicators of marine signatures in the Cenozoic terrestrial strata of the Qaidam Basin, northern Tibetan Plateau, with strong implications for the basin altitude. Our investigations across the basin reveal typical marine alkenones and anomalously high carbonate carbon isotopic values during the mid-Miocene, but not at earlier stages, which are accompanied by a divergent trend in the paired carbonate oxygen and leaf wax hydrogen isotopic records. We infer an incursion of seawater into the Qaidam Basin, thus constraining the mid-Miocene basin altitude close to sea level. Hence, much of the substantial northern plateau uplift afterwards appears to be associated with the outward growth of the Tibetan Plateau.


Persistent Identifierhttp://hdl.handle.net/10722/331056
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorSun, YY-
dc.contributor.authorLiang, Y-
dc.contributor.authorLiu, H-
dc.contributor.authorLiu, J-
dc.contributor.authorJi, JL-
dc.contributor.authorKe, X-
dc.contributor.authorLiu, XB-
dc.contributor.authorHe, YX-
dc.contributor.authorWang, HY-
dc.contributor.authorZhang, B-
dc.contributor.authorZhang, YS-
dc.contributor.authorZhuang, GS-
dc.contributor.authorPei, JL-
dc.contributor.authorLi, YX-
dc.contributor.authorQuan, C-
dc.contributor.authorLi, JX-
dc.contributor.authorAitchison, JC-
dc.contributor.authorLiu, WG-
dc.contributor.authorLiu, ZH-
dc.date.accessioned2023-09-21T06:52:24Z-
dc.date.available2023-09-21T06:52:24Z-
dc.date.issued2023-01-03-
dc.identifier.citationCommunications Earth & Environment, 2023, v. 4, n. 1-
dc.identifier.urihttp://hdl.handle.net/10722/331056-
dc.description.abstract<p>A detailed uplift history of the Tibetan Plateau is essential for disentangling the proposed geodynamical models and assessing its impacts on climate and biodiversity. However, when and how the plateau formed remains highly controversial. Here, we present unusual geochemical indicators of marine signatures in the Cenozoic terrestrial strata of the Qaidam Basin, northern Tibetan Plateau, with strong implications for the basin altitude. Our investigations across the basin reveal typical marine alkenones and anomalously high carbonate carbon isotopic values during the mid-Miocene, but not at earlier stages, which are accompanied by a divergent trend in the paired carbonate oxygen and leaf wax hydrogen isotopic records. We infer an incursion of seawater into the Qaidam Basin, thus constraining the mid-Miocene basin altitude close to sea level. Hence, much of the substantial northern plateau uplift afterwards appears to be associated with the outward growth of the Tibetan Plateau.</p>-
dc.languageeng-
dc.publisherNature Research-
dc.relation.ispartofCommunications Earth & Environment-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleMid-Miocene sea level altitude of the Qaidam Basin, northern Tibetan Plateau-
dc.typeArticle-
dc.identifier.doi10.1038/s43247-022-00671-8-
dc.identifier.scopuseid_2-s2.0-85145588402-
dc.identifier.volume4-
dc.identifier.issue1-
dc.identifier.eissn2662-4435-
dc.identifier.isiWOS:000907117100001-
dc.identifier.issnl2662-4435-

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