2026. Hydrocarbon Potential and Organic Matter–Inferred Depositional Conditions of the Shiranish Formation in Diana Subdistrict, Northeastern Iraq: Evidence from FTIR Spectroscopy and Palynological Analysis. Iraqi National Journal of Earth Science (INJES). 26, 3 (Jul. 2026), 39–51. DOI:https://doi.org/10.33899/injes.v26i3.60914.