Fluid Inclusion and H–O–S–Pb Isotope Geochemistry of the Yuka Orogenic Gold Deposit, Northern Qaidam, China

Figure 10

Lead isotopic compositions from the Yuka gold deposit. (a) ²⁰⁷Pb/²⁰⁴Pb vs. ²⁰⁶Pb/²⁰⁴Pb and (b) ²⁰⁸Pb/²⁰⁴Pb vs. ²⁰⁶Pb/²⁰⁴Pb. The evolution curves of the upper crust, lower crust, mantle, and orogen are from Zartman and Doe (1981). Data from Paleozoic strata are quoted from Zhu et al. [75]; data from Paleozoic intrusions are quoted from Guo and Chen [76]; data from Proterozoic strata are quoted from Zhang [74].

(a)

(b)