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一、概述增产黄金是我国社会主义经济建改的迫切需要,不仅可以为国家增加外汇储备,而且对稳定经济,保证改革的顺利进行,具有十分重要的意义。砂金矿是黄金矿床的主要工业类型之一。世界上已产出的黄金有三分之二产于砂金矿
I. General Overview Gold increase is an urgent need for China’s socialist economic reform. It not only can increase foreign exchange reserves for the country, but also is of great significance to stabilizing the economy and ensuring the smooth progress of the reform. Gold ore is one of the major industrial types of gold deposits. Two-thirds of the gold produced in the world is produced in placer gold