*Arya Vinod¹、Anup Krishna Prasad^1,4、Sameeksha Mishra¹、 Bitan Purkait¹、 Shailayee Mukherjee^1,4、 Anubhav Shukla^1,2、 Nirasindhu Desinayak³、 Bhabesh Chandra Sarkar⁴、 Atul Kumar Varma ² (1.Photogeology and Image Processing Laboratory, Department of Applied Geology, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826004, India、2.Coal Geology and Organic Petrology Laboratory, Department of Applied Geology, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826004, India、3.Department of Geology, Ravenshaw University, Cuttack, Odisha, 753003, India、4.Geocomputational and GIS Laboratory, Department of Applied Geology, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826004, India)