Attempt to the Late Cretaceous Ostracod Carapace Stable Isotope Measurement—Case Study on the SK1 Drill Cores
详细信息   
摘要

Rapid isotopic variation affected by Late Cretaceous green-house is of globe implication, and can be used as proxy of climate change in the Earth’s history. In continental sedimentary system, relatively continuous paleoclimate signal is recorded in lacustrine sediments. It is an ideal record to recover high-resolution paleoenvironment and paleoclimate changes. As a result, ostracods were handpicked from samples collected from drill cores. Specifically, the authors demonstrate that the carbon and oxygen isotopes recorded in the ostracod carapaces of the Songliao Basin seemingly track the corresponding contemporaneous isotopic records during Late Cretaceous. The isotopic curves will be the criterion of terrestrial isotopic succession in China after detailed study.

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