Airborne geophysical survey: Nyac Mining District

Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field intensity values and location. In surveys such as this...航空磁测数据（aeromagnetic data）由航空器搭载的仪器沿飞行航线采集，该类仪器可记录磁场强度值与位置信息。在诸如此类的航空磁测工作中……