Clay Minerals and Organic Matter from Deeply Buried Ordovician-Silurian Shale in Western Iraq: Implications for Maturity and Hydrocarbon Generation. Iraqi Journal of Science [Internet]. 2020 Nov. 28 [cited 2024 May 3];61(11):3017-34. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/2209