摘要
The "allochthonous ore source bed"of Chaerqi Cu deposit is Proterozoic greenstone series and Akekulang Cu deposit,etc,whereas the "equivalent ore source bed"is the Cu-bearing bed of Kangcun Formation,which is a typical strtabound ore deposit formed in the river-lake alternate facies environment of lacustrine facies—delta facies—river facies alternate sedimentary cycle.