Because the magnetism of the heavy sands nearby the gold placer is stronger than that of the other sands, the magnetic anomalies also can be measured by using high-precision proton magnetometer.
英
美
- 在西藏自治區及四川省一些金礦床(點(diǎn))上的研究取得了良好的進(jìn)展,對砂金礦、銻金伴生型金礦,中基性脈巖型金礦上的高精度磁測異常特征有了新的認識,為利用高精度磁測方法間接尋找金礦積累了經(jīng)驗。
