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根据镜质体反射率、抱粉色变指数、自生粘土矿物等地温指标的研究，表明从晚古生代至新生代吐哈盆地西南部的古地温梯度是逐渐降低的，地温场是逐渐变冷的。二叠纪至三叠纪时，托克逊凹陷的古地温梯度为6．18～6．58℃／100m，都南凹陷为4．07℃／100m。诛罗纪时前者仍高于后者，但其值不会高于3℃／100m，鲁酉凸起略低。今地温梯度具有东高西低的特点，且随深度的变化具不均一性，这可能与古地温及岩性有关。根据温度欠补偿原理计算出来的地层补偿厚度并不完全等同于地层剥蚀厚度。据分析，三叠纪末二者大致相当，地层剥蚀厚度可达千余米。
According to the study of vitrinite reflectance, hold pink index, authigenic clay minerals and other geothermal indicators, the paleogeothermal gradient in the southwestern part of the Turpan-Hami basin gradually decreased from Late Paleozoic to Cenozoic, and the geothermal field was gradually chilled. From Permian to Triassic, the paleogeothermal gradient in the Tokchon depression was 6.18 ~ 6.58 ℃ / 100m, and that in the southern Duraton was 4.07 ℃ / 100m. The former is still higher than the latter when it is time to punish Luo Ji, but its value will not be higher than 3 ℃ / 100m, and Luyisu slightly protrudes. The present geothermal gradient has the characteristics of high east and low west and inhomogeneity with depth, which may be related to the paleogeothermal and lithology. The thickness of formation compensation calculated according to the principle of temperature undercompensation is not exactly the same as the formation erosion thickness. According to the analysis, the two end of the Triassic roughly the same, stratigraphic erosion thickness of up to more than a thousand meters.