Climate changes as recorded in stable carbon isotopic compositions of the Late Jurassic marine sedimentary succession in the Qiangtang Basin, Northern Tibet

Journal of Asian Earth Sciences（2022）

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摘要

•A high-resolution organic matter δ13C record is present in the Upper Jurassic marine sedimentary rocks from Tibet.•An alternative to phytane- and stomatal density-based pCO2 reconstructions is used with the carbon isotope fractionation.•Δ13C (δ13Ccarb-δ13Ckerogen) and atmospheric pCO2 calculation reveal a cooling event in the Early Tithonian.

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关键词

Carbon isotope fractionation,Atmospheric CO2 concentration,Early Tithonian Cooling Event (ETCE),Paleo-oceanography,Eastern Tethys

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