Research Article

Metallogeny of the Dagangou Au-Ag-Cu-Sb Deposit in the Eastern Kunlun Orogen, NW China: Constraints from Ore-Forming Fluid Geochemistry and S-H-O Isotopes

Table 1

Characteristics of the Au-Ag-Cu-Sb ore or mineralized bodies in the Dagangou deposit.

Mineralized zoneScale of mineralized zoneNumber of ore bodyScale of ore bodyAverage grade

Cu-Ag-mineralized zone (SB I)5 km long, 5–20 m in thickness, trend NWW-EW, dip (40°–50°) northK1 Cu ore body25 m long, 0.50 m in thicknessCu 2.25%
KH1 Cu-mineralized body30 m long, 1.11 m in thicknessCu 0.87%
KH2 Cu-mineralized body15m long, 0.07 m in thicknessCu 0.45%
Au 0.75 g/t
K3-1 Cu-Ag ore body15 m long, 2.43 m in thicknessCu 4.72%
Ag 289 g/t
K3-2 Cu-Ag ore body15 m long, 0.85 m in thicknessCu 2.12%
Ag 141 g/t
K4 Cu ore body10 m long, 0.22 m in thicknessCu 0.57%
KH4 Cu-mineralized body10 m long, 1.06 m in thicknessCu 0.20%
K5 Cu ore body15 m long, 1.03 m in thicknessCu 3.72%
KH5 Cu-mineralized body12 m long, 0.18m in thicknessCu 0.58%

Au-Sb-mineralized zone (SB II)3.5 km long, 3–16 m in thickness, trend NWWKH6 Au-mineralized body80 m long, 1.27 m in thicknessAu 0.52 g/t
KH7 Au-mineralized body100 m long, 0.80 m in thicknessAu 0.60 g/t
K8 Au ore body50 m long, 1.45 m in thicknessAu 2.48 g/t
K9 Sb ore body120 m long, 2.80 m in thicknessSb 3.23%
Au 0.48 g/t
KH10 Au-mineralized body120 m long, 2.03 m in thicknessAu 0.83 g/t
KH11 Au-mineralized body120 m long, 1.36 m in thicknessAu 0.64 g/t
KH12 Sb-mineralized body120 m long, 0.81 m in thicknessSb 1.10%

Au-mineralized zone (SB III)3 km long, 20 m in thickness, trend EWKH13 Au-mineralized body50 m long, 1.50 m in thicknessAu 0.57 g/t