巨砾是砂金矿开采的重要因素

Important Factor of Boulder in Gold Placer Mining

巨砾是砂金矿开采时遇到的特殊问题 ,本文阐述了巨砾在河流冲积砂金矿床不同地段的分布规律 ,指出巨砾对矿床开采的影响 ,及在开采、设计中应注意的问题。

Boulder is a special issue for gold placer mining.The article expounds the distribution regularity of boulder in different sections of the alluvial gold placer and points out the impacts of boulder in mining and the issues that shall be concerned for mining and design.