Constraints on the growth and evolution of continental crust in the NE Cathaysia Block: insights from detrital zircon U–Pb ages and Hf–O isotopic analyses in Tingjiang sediments
Liyuan Wang,
Chenhong Qiu,
Wenhui Zhang
et al.
Abstract:Fluvial detrital zircons provide crucial insights into the early Precambrian crustal evolution. In this study, we utilize U-Pb geochronology and Hf-O isotopic compositions of detrital zircons from the Tingjiang River to comprehend the provenance and continental crustal evolution of the northeast Cathaysia Block. Zircon U-Pb ages display seven major populations at 105-177 Ma, 200-262 Ma, 376-520 Ma with a striking peak at ca. 422 Ma, 606-775 Ma, 836-1457 Ma, 1710-2042Ma, and 2300-2661Ma, corresponding to the do… Show more
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