Journal of Xiangtan Mining Institute is a comprehensive academic periodical of state-level, issued for readers at home and abroad, and the only one of the coal mining system in the South. Exploring the southern complicated coal-fields is its main feature in research, and advertisements concerned are welcome. It proceeds from our own institute and we also expect contributions from abroab, with two copies either in Chinese or in English. Journal of Xiangtan Mining Institute is a comprehensive academic periodical of state-level, issued for readers at home and abroad, and the only one of the coal mining systems in the South. Exploring the southern complicated coal-fields is its main feature in research, It proceeds from our own institute and we also expect contributions from abroab, with two copies either in Chinese or in English.