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

<div>SEM and EDS analysis of sample KC-G1. (a) and (b) are BSE images, whereas the rest of the graphs are EDS spectrums. Pa: paratacamite; Gp: gypsum; Gb: glauberite; HI: halite. (a) Left: SEM image; right: EDS graph. The white mineral, containing mainly Cu, Cl, O, and a few Si, Al, Ca, Pb, and Zn, is paratacamite (Cu2 (OH)3 Cl) and may contain clay minerals, Zn and Pb. The ash black mineral containing Ca, S, and O is gypsum (CaSO4·2H2O). The grey mineral containing Na and Cl is halite (NaCl). (b) Left: SEM image; right: EDS graph. The radial material is glauberite (Na2SO4·CaSO4). The white mineral containing Cu, Cl, and O is paratacamite (Cu2 (OH)3 Cl).</div>

Geofluids

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Figure 3: A Rapid Cu Enrichment Mechanism from Cu-Bearing Brine in Kuqa Basin, Xinjiang, China: Controlled by Crystallized Sequence of Saline Minerals 

Figure 3 | A Rapid Cu Enrichment Mechanism from Cu-Bearing Brine in Kuqa Basin, Xinjiang, China: Controlled by Crystallized Sequence of Saline Minerals 