Theregional distribution of metallogenic epoch shows regular variation, the epoch of Precambrian golddeposits gradually increases from west to east of China, while that of Phanerozoic gold depositsgradually decreases.

• 区域分布上，前寒武纪形成的金矿床成矿年代为“西低东高”，而显生宙金矿为“西高东低”。