Depositional Conditions and Nature of Source Rocks of the Upper Part of the Balambo Formation in Northeastern Iraq Based on Rare Earth Elements Data. Iraqi Journal of Science [Internet]. 2022 Sep. 30 [cited 2024 May 5];63(9):3804-16. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/5403