Fluid Inclusions and H-O-C-S-Pb Isotope Studies of the Xinmin Cu-Au-Ag Polymetallic Deposit in the Qinzhou-Hangzhou Metallogenic Belt, South China: Constraints on Fluid Origin and Evolution

Figure 5

Electric scanning images and spectral images of Au-bearing and Ag-bearing minerals of Xinmin deposit. (a) Nature silver in the fissure of quartz. (b) Spectral image of silver in the quartz. (c) Sliver-bearing bismuthinite enclosed by chalcopyrite. (d) Spectral image of silver-bearing bismuthinite. (e) Silver, gold-bearing mineral in the tourmaline. (f) Spectral image of silver, gold-bearing mineral in the tourmaline. (g) Nature gold in the fissure of quartz. (h) Spectral image of gold in the quartz. (i) Nature gold in the tourmaline. (j) Spectral image of gold in the tourmaline. Mineral abbreviations (after [19]): Bm: bismuthinite; Ccp: chalcopyrite; Fl: fluorite; Fsp: feldspar; Qz: quartz; Tur: tourmaline.

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