第一届全苏前寒武矿床成因会议于1976年2月25—28日在列宁格勒举行。来自67个单位的300个代表参加了会议。会上的报告包括以下五个方面问题:1.前寒武矿床成因的一般问题(矿产预测、成矿期、成矿省、矿产分布规律);2.前寒武成矿作用的演化; The First All-Precambrian Cambrian Genesis Conference was held in Leningrad from February 25 to February 28, 1976. 300 delegates from 67 units attended the meeting. The report at the meeting includes the following five aspects: 1.General problems of the genesis of the Precambrian deposits (mineral prediction, metallogenic stage, metallogenic province and mineral distribution); 2.The evolution of the Precambrian mineralization;