沥青反射率及储层的包裹体均一化温度显示：下奥陶统烃源岩有机质演化处于高成熟阶段。
According to the data on the bitumen reflectance and inclusion homogenization temperature, it is shown that the organic matters in Lower Ordovician source rocks are in the high maturity stage.
未成熟-低成熟阶段到高成熟阶段，有机质丰度明显降低，需要进行原始有机碳含量的恢复。
The abundance of organic matter lowers significantly from immature-low mature stage to high mature stage, thus the original TOC should be restituted.
本文以有机质生成世代为序，讨论了有机质低、中、高成熟阶段的产物在MVT铅锌矿床成矿过程中的作用。
According to the generation sequence of organic matter, the function of organic matter in the formation of MVT PbZn deposit during low, moderate and high mature stage is summarized.
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