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Oxygen isotope fractionation between human phosphate and water revisited.
High-precision determination of 18O/16O ratios of silver phosphate by EA-pyrolysis-IRMS continuous flow technique.
Silver phosphate is a very stable material and easy to degas and could be considered as a good candidate to become a reference material for the determination of (18)O/(16)O ratios of phosphate by high-temperature pyrolysis.
Oxygen isotopes of East Asian dinosaurs reveal exceptionally cold Early Cretaceous climates
  • R. Amiot, Xu Wang, Fusong Zhang
  • Geography, Environmental Science
    Proceedings of the National Academy of Sciences
  • 10 March 2011
The unique character of the Jehol Biota is thus not only the result of its evolutionary and biogeographical history but is also due to rather cold local climatic conditions linked to the paleolatitudinal position of northeastern China and global icehouse climates that prevailed during this part of the Early Cretaceous.
An Early Cretaceous spinosaurid theropod from southern China
Abstract Teeth from the Early Cretaceous Napai Formation of Fusui County, Guangxi Zhuang Autonomous Region (South China), initially described as the sauropterygian Sinopliosaurus fusuiensis, are