江西乐平树皮煤的显微煤岩类型研究  

Study on Bark Coal Microlithotype in Leping,Jiangxi

作　　者：周国庆[1] 姜尧发[1] 颜跃进 王绍清[3] Zhou Guoqing;Jiang Yaofa;Yan Yuejin;Wang Shaoqing(Geological Research Institute,Jiangsu Vocational Institute of Architectural Technology,Xuzhou,Jiangsu 221116;Coal Geological Bureau of Jiangxi,Nanchang,Jiangxi 330001;School of Geosciences and Surveying Engineering,CUMTB,Beijing 100083)

机构地区：[1]江苏建筑职业技术学院地质研究所,江苏徐州221116 [2]江西省煤田地质局,南昌330001 [3]中国矿业大学(北京)地球科学与测绘工程学院,北京100083

出　　处：《中国煤炭地质》2019年第7期7-11,共5页Coal Geology of China

基　　金：国家自然科学基金项目(41472132)支持

摘　　要：对江西乐平鸣山煤矿B3煤层各分层的显微煤岩类型和显微组分进行了详细研究。结果显示,6个煤分层中有5个(第1至第5)分层富含树皮体(平均含量51.8%),而煤层底部第6分层的树皮体含量极低(0.8%)。第1至第5分层中微树皮煤含量平均值为39.8%,树皮微亮煤含量平均值为9.7%,树皮微暗煤含量平均值为11.5%。树皮微亮煤是凝胶化物质与树皮体的共生组合,指示树皮体是在成煤泥炭沼泽内形成的,而不是异地搬运沉积的。鸣山B3煤层中的树皮体显示较清晰的植物细胞结构,其细胞壁在透射光下呈红色,在油浸反射光下呈灰色,在蓝光激发下不发荧光,说明这种"树皮体"的细胞壁并非栓质化成分,形成这种"树皮体"的植物组织不是皮层。The paper has carried out studies on coal microlithotype and maceral in detail for coal B3 slices in the Mingshan coalmine, Leping, Jiangxi. The result has shown that the 5 of 6 coal slices (from No.1 to No.5) have rich barkinite (average content 51.8%), while bottom slice No.6 very low (only 0.8%). The average content of micro-bark coal in slices Nos.1~5 is 39.8%;bark clarite 9.7%;bark durite 11.5%. The bark clarite is paragenetic association of gelatinized material and barkinite;indicated barkinite is formed in coal-forming peat bog, not allochthonous. Barkinite in coal B3 has shown clearer plant cell structure, cell walls present red color under transmission light, while gray under oil immersion reflected light, no fluorescence under the excitation of blue light. Thus explained the cell wall of such barkinite is not suberized component, plant tissue to form such barkinite is not cortices.

关 键 词：树皮煤 显微煤岩类型 江西乐平 

分 类 号：P618.11[天文地球—矿床学]