从重力异常探讨威宁地区深部地质构造

Discussion on Deep-seated Geological Structure in the Area of Weining by Gravity anomaly

从1∶20万布格重力异常分离出来的剩余重力异常和水平梯度重力异常为主要研究对象,结合威宁地区的地质、物化探、遥感资料,揭示该区深部存在8条断裂,火山机构1个,基性—超基性侵入岩体1个。

With the residual gravity anomaly and horizontal gradient anomaly regarded as main subjects derived from Bouguer gravity anomaly on a scale of 1 to 200,000, in combination with the geology, physiochemical exploration and remote sensing information, it is suggested that in the area there are eight faults, one volcanic mechanism and one basic-ultrabasic intrusive rock mass in existence.