Research on Metallogenic System and Deposit Genesis: With Zhacun Goldmine in Weishan County of Yunnan as an Example

Table 2

Composition of the lead isotopes in Zhacun Village, Beiya and Machangqing goldmine areas.

Mine area/mineral	Pb^206/Pb^204	Pb^207/Pb^204	Pb^208/Pb^204	Remarks
Magmatic hydrothermal ore lead	<19.5	<16	<39	—
Zhacun goldmine	18.412-18.4199	15.5984-15.6365	38.6183-38.7613	Yunnan Geological Team No. 3
Beiya goldmine	18.581–18.637	15.598–15.728	38.754–39.094	Liu xianfan 1999
Machangqing goldmine	18.502–18.960	15.608–15.992	38.787–39.393	Bi xianwu 2001