有机质的成熟度（maturity of organic matter）三、 烃源岩地球化学特征成熟度(maturity): 在温度的作用下有机质的热演化程度镜质体反射率 Ro（ vitrinite reflectance in oil）...
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该海域沉积有机质的成熟度不高，沉积环境具有强的还原性。
The maturity of sedimentary organic matter is not high and the depositional environment has strong reducing action.
说明有机质的成熟度与温度和加热时间成正相关，而压力增加抑制了有机质的成熟演化。
It indicate that the organic maturation is of positive correlation with temperature and heating time, but pressure raise restrains maturation and evolution of organic matter.
但由于生油层埋藏较浅，地温梯度偏低，致使各生油层有机质的成熟度明显比好生油凹陷低，主要生油层目前仍处于低成熟—成熟演化阶段。
But the level of maturity of organic matter in the source rocks is obviously lower, because the lower tertiary source beds are of shallower burial and smaller geothermal gradient.
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