西藏羌塘盆地下侏罗统曲色组页岩沉积环境及有机质差异富集机理<sup>*</sup>

西藏羌塘盆地下侏罗统曲色组页岩沉积环境及有机质差异富集机理^*

郑鸣宇^1,^2,³, 马义权^1,^2,³, 文华国^1,^2,³

Depositional environments and mechanism of differential organic matter enrichment for shale of the Lower Jurassic Quse Formation in Qiangtang Basin,Tibet

ZHENG Mingyu^1,^2,³, MA Yiquan^1,^2,³, WEN Huaguo^1,^2,³

南羌塘坳陷A浅孔下侏罗统曲色组Al-Fe-Mn三元图解(改自 Adachi et al ., 1986 ; Yamamoto,1987 ) a—元素指标去陆源碎屑作用前; b—元素指标去陆源碎屑作用后