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通过对砂金过采区（旧采迹）基本特征的研究，提出要加强过采区砂金矿遗迹的开发利用，扩大砂金资源基地。指出以过采区为依据寻找砂金矿可靠性大，风险度小，是行之有效的途径之一。
Based on the study of the basic characteristics of the gold over mining area (old mining trace), it is proposed to strengthen the development and utilization of the gold deposits in the over-mining area and to expand the gold resources base. It is one of the effective ways to look for the gold deposit based on over-mining area for its high reliability and small risk.