Singh, U. P., N. S. Venkatesh, K. S. Godhavari, R. Gopalkrishnan, Fareeduddin, and M. S. Rao. 2004. “Lamprophyre Dykes in Chotanagpur Gneissic Comlex, Near Simdega, Gumla District, Jharkhand”. Journal of Geological Society of India 63 (6):655-58. https://geosocindia.com/index.php/jgsi/article/view/82796.