【摘 要】
:
古老盆地大都经历了多期构造运动,而每次构造运动中大地构造条件的变化,必然引起古大地热流的变化。针对多构造期古老盆地这一特点,在大地热流反演方法的基础上,提出了另一种处理
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古老盆地大都经历了多期构造运动,而每次构造运动中大地构造条件的变化,必然引起古大地热流的变化。针对多构造期古老盆地这一特点,在大地热流反演方法的基础上,提出了另一种处理方法多段线性古热流模型,以期用相对简单的方式来表征复杂地质情况下的古热流变化特征。利用该模型对冀中坳陷北部中—上元古界古热流演化进行了分析,所建立的模型符合该区大地构造演化特点。
Most of the ancient basins underwent multi-period tectonic movement, and the change of tectonic conditions in every tectonic movement inevitably caused the change of ancient geothermal flow. Aiming at the characteristics of ancient basin with multiple structures, another multi-segment linear paleo-thermal model based on the method of geothermal heat flow retrieval is proposed, in order to characterize the characteristics of paleokothermal flow under complex geological conditions in a relatively simple way . Using this model, the evolution of the Meso - Proterozoic pale-archeological heat flux in northern Jizhong Depression is analyzed. The model is in accordance with the tectonic evolution of the area.
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