Supplemental Material: Provenance and tectonic setting of the Paleo- to Mesoproterozoic sedimentary basin in the southwestern Yangtze Block of South China: Implications on the reconstruction of the Columbia supercontinent

Q: What type of study is this?

This is a Quantitative Study study.

Li Sun; et al.

doi:10.1130/gsab.s.30108619.v1

September 11, 2025Open Access

Supplemental Material: Provenance and tectonic setting of the Paleo- to Mesoproterozoic sedimentary basin in the southwestern Yangtze Block of South China: Implications on the reconstruction of the Columbia supercontinent

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Key Points

The study identifies key isotopic compositions of zircons, highlighting their significance in understanding tectonic settings.
U-Pb and Lu-Hf isotopic data were analyzed from the Tongan Formation's sedimentary rocks, offering insights into their provenance.
This observational analysis emphasizes the importance of sedimentary basin characteristics in reconstructing continental frameworks.
Findings suggest that tectonic settings of the Yangtze Block can provide valuable information in reconstructing the Columbia supercontinent.

Implication

Analysis reveals isotopic compositions of zircons in the Yangtze Block, suggesting tectonic influences on Columbia supercontinent reconstruction.

Abstract

Text S1: References for Figures 11N–11W. Table S1: LA-ICP-MS U-Pb isotopic compositions of zircons from the Tongan Formation. Table S2: LA-(MC-)ICP-MS Lu-Hf isotopic compositions for detrital zircons from the Tongan Formation. Table S3: Whole-rock major and trace elements of sedimentary rocks from the Tongan Formation. Table S4: Sources for data compiled in Figures 11K and 11L.

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Cite This Study

Sun et al. (2025) studied this question.

synapsesocial.com/papers/68d44a3031b076d99fa53035 https://doi.org/10.1130/gsab.s.30108619.v1

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Supplemental Material: Provenance and tectonic setting of the Paleo- to Mesoproterozoic sedimentary basin in the southwestern Yangtze Block of South China: Implications on the reconstruction of the Columbia supercontinent

Key Points

Implication

Abstract

Discussion

Cite This Study

Supplemental Material: Provenance and tectonic setting of the Paleo- to Mesoproterozoic sedimentary basin in the southwestern Yangtze Block of South China: Implications on the reconstruction of the Columbia supercontinent

Key Points

Implication

Abstract

Discussion

Cite This Study

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