Genetic studies of stony coal in coal seams of several coal mines in South Sumatera and South Kalimatan
HEAD OF TEAM : Dr. Ir. Komang Anggayana, MS. TEAM MEMBERS : Dr.phil.nat. Agus Haris Widayat, ST., MT. ; Arie Naftali Hawu Hede, ST., MT., Ph.D. Introduction Silicification of Indonesian coals have previously been reported by some authors. In South Sumatra Basin, silicified coals occur intensively in Muaraenim Formation which are currently mined in […]