Abstract
Jeribe Formation in two subsurface sections were studied using samples from two wells of Jambour oil field, Kirkuk area-northern Iraq to determine its petrographical characteristics, microfacies, depositional environment, and diagenetic signatures based on δ18O and δ13C isotope analysis. Three main types of associated microfacies were detected: mudstone, wackestone, and packestone/grainstone. The inspected formation experienced various diagenetic processes. The well-preserved dolomitization and pressure-solution and stylolitic microstructures bring a new insight in form of the paragenetic sequence. The isotopic signature data revealed that the positive covariance of 18O and 13C isotopes is closely associated with infiltration of meteoric water during the mesogenesis.
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