根据实测重力异常换算质体磁异常

• 作 者: 黎航
• 出 处: 地质与勘探
• 发表日期: 1978年03期
• 关键词: 磁异常 垂直磁场 综合解释 区域异常 剩余密度 局部异常 频率域 量板 区域重力 体重异常

为了进行重磁异常对比和综合解释,也为了简化磁异常和场沅位置的关系,人们常常把磁异常转换为磁性体重异常。这方面已发表了很多文章。而将实测重力异常转换为质体沿某一方向磁化时的垂直磁场强度异常,则很少为人所注意。其实,这种转换除能进行重磁异常对比和综合解释以外,还可以起到消除或减弱重力区域异常、突出局部异常的作用。下面将介绍这种转换的原理和方法。

In order to compare and synthesize the gravity and magnetic anomalies, and to simplify the relationship between the magnetic anomalies and the position of the Yuan, people often convert magnetic anomalies into magnetic body anomalies. A lot of articles have been published in this area. However, it is rarely noticed that when the measured gravity anomaly is converted into the abnormality of the vertical magnetic field intensity when the plastid is magnetized along a certain direction. In fact, in addition to the conversion of gravity and magnetic anomaly comparison and comprehensive interpretation of the exception, but also can play to eliminate or weaken the gravity anomalies, highlighting the role of local anomalies. The following will introduce the principle and method of this conversion.