局部重力异常(Local gravity anomalies)在重力勘探中通常指局部布格异常,它代表地下物质分布不均匀所造成的引力垂直分量的变化。
结果将成矿层的局部重力异常从实测布伽异常值中分离出来。
The local gravity anomalies due to the ore horizons were separated from the measured Bouguer anomalies according to the results of the processing.
布格重力异常图与地质图的对比表明,本区的局部重力异常主要是由玲珑花岗质杂岩体引起的。
Comparison of the Bouguer gravity anomaly map with geological map shows that the local negative gravity anomaly is caused by the Linglong granitic complex.
在地震孕育发生阶段,重力场出现较大范围的区域性重力异常,并产生与地震孕育发生有关的局部重力异常区。
In the genesis stage of an earthquake, regional gravity anomaly appears in a large area, resulting in related local gravity anomaly.
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