Clay minerals control silicon isotope variations of fine-grained river sediments: Implication for the trade-off between physical erosion and chemical weathering

Clay minerals control silicon isotope variations of fine-grained river sediments: Implication for the trade-off between physical erosion and chemical weathering

Stable silicon (Si) isotopes in fluvial sediments can provide insights into understanding silicate weathering processes on the Earth's surface. However, a lack of comprehensive studies has hindered full understanding of the factors influencing Si isotope fractionation during continental weather...

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Veröffentlicht in:Chemical geology 2024-09, Vol.662, p.122249, Article 122249
Hauptverfasser: Ling, Chen, Liu, Zhifei, Yu, Xun, Zhao, Yulong, Siringan, Fernando P., Le, Khanh Phon, Sathiamurthy, Edlic, You, Chen-Feng, Chen, Kaiyun
Format: Artikel
Sprache:eng
Schlagworte:
Clay minerals
River sediments
Silicon isotopes
South China Sea
Weathering
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Zusammenfassung:Stable silicon (Si) isotopes in fluvial sediments can provide insights into understanding silicate weathering processes on the Earth's surface. However, a lack of comprehensive studies has hindered full understanding of the factors influencing Si isotope fractionation during continental weathering. In this study, through the analysis of Si isotopes in fine-grained sediments from 13 rivers surrounding the South China Sea, significant variation of Si isotopes in bulk detrital sediments (
ISSN:0009-2541
DOI:10.1016/j.chemgeo.2024.122249