Voluminous data have demonstrated that there exists close relationship between the degree of compaction of sedimentary rocks and the degree of thermal evolution of organic matter. The internal factors influencing the porosity of mudstone and thermal maturity are discussed in terms of the time and temperature of the thermal maturity and mechanism of compaction of mudstone. The correlation of both is determined theoretically; the porosity and thermal maturity of mud-stone are both the functions of burial depth and geologic time. Different kerogen types may cause marked difference in the relationships between the porosity and thermal maturity of mudstone. During diagenesis there is likewise correlation between the porosity and degree of thermal evolution of less compacted mudstone in the overpressure section of mudstone. The stable relationship between the degree of compaction and thermal maturity has important practical significance in the prediciton of organic maturity of a sedimentary basin ahead of drilling.
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刘震 武耀辉.1997.泥岩压实程度与热成熟度关系分析[J].地质论评,43(3):290-296,[DOI]. Liu Zhen.1997. ANALYSIS ON RELATION BETWEEN COMPACTION OF MUDSTONE AND THERMAL MATURITY[J]. Geological Review,43(3):290-296.