Tectonic signals documented in gravel and silt beds: A comprehensive review of the eastern Tibetan plateau

Wei Shi; Hanchao Jiang; G. Ian Alsop

doi:10.1016/j.jsg.2024.105067

Tectonic signals documented in gravel and silt beds: A comprehensive review of the eastern Tibetan plateau

Wei Shi, Hanchao Jiang^* (Corresponding Author), G. Ian Alsop

^*Corresponding author for this work

Geology and Geophysics

China Earthquake Administration

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

Abstract

Extracting tectonic signals from sediments in tectonically active areas is important for revealing the history of regional tectonic activity. However, in previous studies, tectonic and climatic signals have often been confused. In this study, we discuss the tectonic signals recorded in Quaternary sediments on the eastern Tibetan Plateau, combined with the geological, geomorphic, regional climate and geographical settings, and summarize six aspects of the sedimentary characteristics of tectonically generated gravels related to seismic landslides, providing an effective reference for other tectonically active areas. In addition, earthquakes commonly cause intermittent changes in the availability of fine particles in provenance areas, which is the rationale for revealing seismic events through a high-resolution sedimentary sequence from which hydrological fluctuations can not be easily identified. The tectonic control of Quaternary sedimentation on the eastern Tibetan Plateau has improved the previous crude understanding of water flow genesis and is of considerable significance for extending research on tectonic activity and assessing seismic hazards.

Original language	English
Article number	105067
Number of pages	13
Journal	Journal of Structural Geology
Volume	180
Early online date	29 Jan 2024
DOIs	https://doi.org/10.1016/j.jsg.2024.105067
Publication status	Published - 1 Mar 2024

Bibliographical note

Acknowledgements
This project was supported by the National Natural Science Foundation of China (42207239) and National Nonprofit Fundamental Research Grant of China, Institute of Geology, China Earthquake Administration (IGCEA1906). We gratefully acknowledge the editors of the journal and the anonymous reviewers for their useful and detailed comments and suggestions to improve the original submission.

Data Availability Statement

Data availability
No data was used for the research described in the article.

Keywords

Gravel accumulation
Silt deposition
Tectonic signals
Eastern Tibetan plateau
Tectonically active areas

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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Cite this

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title = "Tectonic signals documented in gravel and silt beds: A comprehensive review of the eastern Tibetan plateau",

abstract = "Extracting tectonic signals from sediments in tectonically active areas is important for revealing the history of regional tectonic activity. However, in previous studies, tectonic and climatic signals have often been confused. In this study, we discuss the tectonic signals recorded in Quaternary sediments on the eastern Tibetan Plateau, combined with the geological, geomorphic, regional climate and geographical settings, and summarize six aspects of the sedimentary characteristics of tectonically generated gravels related to seismic landslides, providing an effective reference for other tectonically active areas. In addition, earthquakes commonly cause intermittent changes in the availability of fine particles in provenance areas, which is the rationale for revealing seismic events through a high-resolution sedimentary sequence from which hydrological fluctuations can not be easily identified. The tectonic control of Quaternary sedimentation on the eastern Tibetan Plateau has improved the previous crude understanding of water flow genesis and is of considerable significance for extending research on tectonic activity and assessing seismic hazards.",

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N1 - Acknowledgements This project was supported by the National Natural Science Foundation of China (42207239) and National Nonprofit Fundamental Research Grant of China, Institute of Geology, China Earthquake Administration (IGCEA1906). We gratefully acknowledge the editors of the journal and the anonymous reviewers for their useful and detailed comments and suggestions to improve the original submission.

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N2 - Extracting tectonic signals from sediments in tectonically active areas is important for revealing the history of regional tectonic activity. However, in previous studies, tectonic and climatic signals have often been confused. In this study, we discuss the tectonic signals recorded in Quaternary sediments on the eastern Tibetan Plateau, combined with the geological, geomorphic, regional climate and geographical settings, and summarize six aspects of the sedimentary characteristics of tectonically generated gravels related to seismic landslides, providing an effective reference for other tectonically active areas. In addition, earthquakes commonly cause intermittent changes in the availability of fine particles in provenance areas, which is the rationale for revealing seismic events through a high-resolution sedimentary sequence from which hydrological fluctuations can not be easily identified. The tectonic control of Quaternary sedimentation on the eastern Tibetan Plateau has improved the previous crude understanding of water flow genesis and is of considerable significance for extending research on tectonic activity and assessing seismic hazards.

AB - Extracting tectonic signals from sediments in tectonically active areas is important for revealing the history of regional tectonic activity. However, in previous studies, tectonic and climatic signals have often been confused. In this study, we discuss the tectonic signals recorded in Quaternary sediments on the eastern Tibetan Plateau, combined with the geological, geomorphic, regional climate and geographical settings, and summarize six aspects of the sedimentary characteristics of tectonically generated gravels related to seismic landslides, providing an effective reference for other tectonically active areas. In addition, earthquakes commonly cause intermittent changes in the availability of fine particles in provenance areas, which is the rationale for revealing seismic events through a high-resolution sedimentary sequence from which hydrological fluctuations can not be easily identified. The tectonic control of Quaternary sedimentation on the eastern Tibetan Plateau has improved the previous crude understanding of water flow genesis and is of considerable significance for extending research on tectonic activity and assessing seismic hazards.

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JF - Journal of Structural Geology

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ER -

Tectonic signals documented in gravel and silt beds: A comprehensive review of the eastern Tibetan plateau

Abstract

Bibliographical note

Data Availability Statement

Keywords

UN SDGs

Access to Document

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Cite this