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5 伊敏组15、16煤组w(V)/w(Ni)值、w(V)/w(Cr)值及Co含量特征
Fig.5 Characteristics of V/Ni value, V/Cr value and Co value of coal groups 15 and 16 of Yimin Formation