1978年6月,各部门地层委员会(MCK)在经过第二次讨论后,批准了一年前由乌法全苏会议通过的苏联前寒武纪新地层表(只是地层名称略有改变)。象苏联这样领土辽阔并广泛发育太古宇、元古宇的国家,建立前寒武纪地层表这件事本身就具有很大的科学和现实的意义。与其它许多国家正式采用的前寒武纪地层表相比,乌法会议通过的地层表的不同点在于其地层表上部划分较详细,这不仅依据传统的前寒武纪历史一地 In June 1978, after a second discussion, the MCK approved the new Precambrian stratigraphic table (only a slight change in stratum name) of the Soviet Union approved by the All-Ufa Conference a year ago. The establishment of the Precambrian stratigraphic table in this vast and vastly developed Arctic and Proterozoic territories, such as the Soviet Union, is of great scientific and realistic significance. Compared with the Precambrian strata tables formally adopted by many other countries, the strata table adopted by the Ufa Conference differs in that its top strata table is divided in more detail, not only based on the history of the Precambrian