In this paper, the parametric measurement, the control method and the research on equipment in mining and mineral processing for beach placer are described in detail.

本文详细叙述了海滨砂矿采选工艺中这些参数测量及控制的方法和设备的研究。

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In conducting coastal open air placer mining or shore-based well drilling to exploit seabed mineral resources, effective measures must be taken to prevent pollution to the Marine environment.

露天开采海滨砂矿和从岸上打井开采海底矿产资源，必须采取有效措施，防止污染海洋环境。

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Sichuan Province is one of the placer gold producing areas in our country, Over the whole province there are about 30 gold placers and more than 200 mineral occurrences.

四川已知有砂金矿床约30处，矿点200余处，民采点数百处，是我国主要的砂金产区之一。

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