Research Article

Multiphase Calcite Cementation and Fluids Evolution of a Deeply Buried Carbonate Reservoir in the Upper Ordovician Lianglitag Formation, Tahe Oilfield, Tarim Basin, NW China

Figure 9

Characteristics of 87Sr/86Sr values from the Lianglitag Formation. (a) 87Sr/86Sr values of micrite, grainstone, and fractures and vug-filling calcite. (b) Distribution of 87Sr/86Sr values from different wells in plane.
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(b)