According to geochemistry of ores and rocks in the Dongzigou area, it is inferred that the formation of Dongzigou silver deposit has no relations with marine volcanism, and has the basic characters of typical sedimentary.

Zhang J,Yan GP,Ye L,Li GP,Li ZL and Wang ZG.2005.The C-H-O isotope systematics of the Yindonggou Ag-dominated poly-metals deposit in the Neixiang county,Henan province.;