Origin and Evolution of the Ore-Forming Fluids in the Liyuan Gold Deposit, Central North China Craton: Constraints from Fluid Inclusions and H-O-C Isotopic Compositions

Figure 7

Histograms of CO₂ melting temperatures () of CO₂-bearing fluid inclusions in the early stage (a) and middle stage (c) quartz grains and CO₂ homogenization temperature of CO₂-bearing fluid inclusions in the early stage (b) and middle stage (d) quartz or calcite grains.

(a)

(b)

(c)

(d)