1Special issue on coal geology in ChinaYuegang Tang217-2192Coalfield structure and structural controls on coal in ChinaDaiyong Cao, Anmin Wang, Shuzheng Ning, Huantong Li, Aijun Guo, Limin Chen, Kang Liu, Jieqing Tan, Zhihong Zheng220-2393A study of sequence stratigraphy of the Early Cretaceous coal-bearing series in the southeastern Songliao Basin, NE ChinaKai Shao, Longyi Shao, Dongmin Ma, Dongdong Wang, Shuai Wang, Di Gao263-2724Research progress and prospects of coal petrology and coal quality in ChinaYuegang Tang, Ruiqing Li, Shaoqing Wang273-2875Organic geochemical characteristics of bark coal in Changguang area: evidence from aromatic hydrocarbonsYuhan Lin, Shaoqing Wang, Yuming Sha, Kun Yang288-2986Clean coal geology in China: Research advance and its futureXiaoshuai Wang, Yuegang Tang, Shaoqing Wang, Harold H.Schobert299-3107Development history and prospect of remote sensing technology in coal geology of ChinaKelong Tan, Junwei Qiao311-3198Development of coal geological information technologies in ChinaShanjun Mao320-3289Research progress on permeability improvement mechanisms and technologies of coalbed deep-hole cumulative blastingDeyong Guo, Pengfei Lv, Jiechao Zhao, Chao Zhang329-33610Zonal disintegration test of deep tunnel under plane strain conditionsZhichao Tian, Chun'an Tang, Yejiao Liu, Yibo Tang337-34911Two-dimensional SEM image-based analysis of coal porosity and its pore structureGuangui Zou, Jiasheng She, Suping Peng, Quanchun Yin, Hongbin Liu, Yuyan Che350-36112Main geological and mining factors affecting ground cracks induced by underground coal mining in Shanxi Province, ChinaXugang Lian, Haifeng Hu, Tao Li, Dongsheng Hu362-37013Dynamic capacity balance between stripping and mining of a dragline stripping systemShuangshuang Xiao, Guowei Dong, Hongsheng Wang380-38714Effects of calcium on the evolution of nitrogen during pyrolysis of a typical low rank coalXiongchao Lin, Sasha Yang, Xujun Chen, Panpan Zheng, Yonggang Wang, Shu Zhang397-40415Bacterial degradation of coal discard and geologically weathered coalJacob Taiwo Olawale, Oghenekume Gerald Edeki, Ashton Keith Cowan405-41616Guideline for Authors后插1