伊敏盆地伊敏组煤层地球化学特征及沉积环境

李斌, 张跃恒, 洪链涵, 袁静仪, 高婷, 董振国

Geochemical characteristics and sedimentary environment of coal seams in the Yimin Formation in the Yimin Basin

Li Bin, Zhang Yue-Heng, Hong Lian-Han, Yuan Jing-Yi, Gao Ting, Dong Zhen-Guo

表2 煤元素组成和原子比

Table 2 The elemental composition and atomic ratio of coal

煤层 w(C)/% w(H)/% w(O)/% w(N)/% w(S)/% H/C原子比 O/C原子比 15-5下 72.09 4.78 22.41 0.68 1.04 0.07 0.31 16-1 69.95 4.43 24.67 0.8 1.71 0.07 0.33 16-2 70.11 4.82 24.24 0.71 1.00 0.06 0.32 16-3上 71.02 4.69 23.22 0.79 1.16 0.07 0.31 16-3 72.05 4.63 22.82 0.82 0.80 0.06 0.35