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

图4 伊敏组15、16煤组Sr(a)、Ba(b)含量及w(Ba)/w(Ga)值(c)特征

Fig.4 The contents of Sr(a),Ba(b) and w(Ba)/w(Ga) value(c) characteristics of coal groups 15 and 16 of Yimin Formation