老金矿的年龄测定Ｆ．Ｒｏｂｅｒｔ尉成臣，赵维峰译柳少波，李绪俊校黄金对于世界经济的重要性是不可否认的。它是许多类型矿床的主要产品或副产品。历史上太古宙岩石（大于２５００Ｍａ）中含金石英脉是金的主要来源。但新矿床的发现越来越难。所以阐明这些金－石英脉矿... Determination of the age of the old gold It is undeniable that the importance of gold for the world economy is undeniable. It is the main product or by-product of many types of deposits. The history of Archean rocks (greater than 2500Ma) gold-bearing quartz vein is the main source of gold. However, the discoveries of new deposits have become harder and harder. So to clarify these gold - quartz vein ...