GSWA P1177 Katanning Radiometric Line Data

The radiometric, or gamma-ray spectrometric method, measures the natural variations in the gamma-rays detected near the Earth�s surface as the result of the natural radioactive decay of potassium, uranium and thorium. The data are collected on airborne geophysical surveys conducted by Commonwealth, State & NT Governments and the private sector.

辐射测量法（又称伽马射线光谱法）通过检测地球表面附近的伽马射线，测量其因钾、铀和钍的天然放射性衰变而产生的自然变化。该数据由联邦、州及北方领地（NT）政府与私营部门开展的航空地球物理测量收集而来。