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根据烧变岩磁性分布规律和实测磁异常特征，建立了烧变岩地质－地球物理模型．采用归一化方法，以上层烧变岩几何参数为单位，改变下层烧变岩几何参数，对两层烧变岩叠加磁异常进行了正演模拟；分析了两层烧变岩叠加磁异常特征，确定了根据叠加磁异常识别下层烧变岩存在的条件，为实测磁异常反演解释奠定了理论基础
According to the magnetic distribution law of the burnt rock and the characteristics of the measured magnetic anomaly, the geological-geophysical model of the burnt rock was established. Using normalization method, geometric parameters of upper burnt rock are changed to change the geometrical parameters of the lower burnt rock. The stacking anomaly of the two layers of burnt rock is simulated forwardly. The superimposed magnetic anomaly characteristics of the two layers of burnt rock are analyzed , Identified according to superimposed magnetic anomaly identification of the existence of the lower burned rock conditions for the actual measurement of magnetic anomalies laid the theoretical foundation for interpretation