Muhammad Ilham Fatkhurrahman, was born in Semarang, Central Java, Indonesia and graduated from a program in the Geological Engineering Department, Faculty of Engineering, Diponegoro University. During the lecture period, the author taught several lecture materials on Sedimentology, Stratigraphy, Coal Geology and Geological Field Methods as a lecturer assistant. Other written works are published in Indonesian such as; “Stratigrafi dan Karaktersitik Endapan Turbidite Formasi Penosogan, Desa Kaligending, Karangsambung, Jawa Tengah".