Al-Tarhouni . ا. ., Madi ع. ., Al-Tarhouni ر. . and Sassi ح. . (2021) “Geological study (preliminary) to Evaluation the Volcanic Rocks and their Suitability in the Cement Industry”, Journal of Pure & Applied Sciences , 20(2), pp. 164–170. doi: 10.51984/jopas.v20i2.1266.