Research Article
Carbon and Oxygen Isotopic Stratigraphy of Mesoproterozoic Carbonate Sequences (1.6–1.4 Ga) from Yanshan in North China
Figure 3
Scatter-plots of Mn, Fe, Mg/Ca, Sr versus δ 18O, Mn versus Fe, Fe versus δ 13C, and δ 13C versus δ 18O for the Mesoproterozoic carbonate samples.