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Triple Oxygen Isotope Composition Of Carbonates, Jordan A.G. Wostbrock
Triple Oxygen Isotope Composition Of Carbonates, Jordan A.G. Wostbrock
Earth and Planetary Sciences ETDs
This dissertation presents a method of analyzing the triple oxygen isotope compositions of carbonates, presents an empirical calibration of the carbonate-water equilibrium fractionation line, presents a triple oxygen isotope equipped fluid-rock mixing model for carbonates to see-through diagenesis, and applies all these findings to ancient carbonate samples. Using modern carbonates and associate water, the following equations are calculated to describe equilibrium triple oxygen isotope fractionation of carbonates:
1000lnalpha18Occ-wt=2.84x106/T2-2.96 1),
Thetacc-wt=-1.39/T+0.5305 2).
Using these fractionation equations provides an extremely useful tool to determine whether a carbonate sample is altered or preserves …