Abdallah, R. M., Baig, M. A. A., Abro, A., Saghir, A., Pathan , M. A., & Ahmed, M. (1997). Mineral Composition and the Provenance of the Sediments of Thar Coal Basin. Journal of Himalayan Earth Sciences, 30(1), 97-106. Retrieved from http://ojs.uop.edu.pk/jhes/article/view/1497