The writer takes Baishui gold placer as an example and suggests a "synthetic block method"for the calculation of gold placer reserves.
作者以白水砂金矿为例，提出合成块段法计算砂金储量的方法。
The calculation of gold-placer reserves shows that incorrect calculation methods have brought a great many of disadvantages in the gold production with dredgers.
本文对砂金矿床储量计算现存的某些问题提出了自己的看法，指出了由于不正确的计算方法给采金船生产带来的某些危害。
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