Basi MA. SEDIMENTOLOGICAL , PETROGRAPHICAL AND CLAY MINERAIOGICAL STUDY OF THE GRAVEL AND CONGLOMERETE FACIES OF THE NORTHERN PART OF SAMARRA CITY ,IRAQ. JWSM [Internet]. 2022 Oct. 3 [cited 2026 Sep. 9];2(2):84-100. Available from: https://jwsm.uowasit.edu.iq/index.php/jwsm/article/view/62