Goulburn River Valley Ground Water Project, NSW VIC, 1973 (GSV0375) (P406),...

Total magnetic intensity (TMI) data measures variations in the intensity of the Earth's magnetic field caused by the contrasting content of rock-forming minerals in the Earth...总磁场强度（Total Magnetic Intensity, TMI）数据可用于测量由地球内造岩矿物含量差异所引发的地球磁场强度变化。