A Rapid Cu Enrichment Mechanism from Cu-Bearing Brine in Kuqa Basin, Xinjiang, China: Controlled by Crystallized Sequence of Saline Minerals

Figure 2

Sampling locations of brine and Cu-mineralized halite (gypsum). (a) Fractured fault belts of sandstone named “a” (the Kezier Cu mineralization occurrence); (b) Cu-mineralized halite (gypsum) of a site (sample no. KC-G₁); (c) fractured fault belts of sandstone named “b” (the Kezier Cu mineralization occurrence); (d) Cu-mineralized halite (gypsum) of b site (sample no. KC-G₂); (e) green Cu mineral and white halite on the surface of mud located in the scallops of sandstone (sample no. KC-G₃); (f) image magnification of photo (e); (g) the surface brine in the Kezier Cu mineralization occurrence; (h) the surface brine in the Dongyanshuigou Cu mineralization occurrence; (i) the surface brine in the Wenbashen Cu mineralization occurrence; (j) the surface brine in the east about 1.5 km away of Dongyanshuigou Cu mineralization occurrence.

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