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

Table 6

Concentration of Cu ion in the saline from different rocks leached and days.

Sample numbers	Lithology	Cu (mg/l)
		10 days	20 days	30 days	90 days
0811KC-BCH-G7	Amaranthine rock salt	0.4368	0.3935	0.4132	0.1107
0811KC-BCH-G2	Celadon rock salt	0.4462	0.4622	0.2534	0.1621
0811KC-YSK-G5	Cyan-grey rock salt	0.3585	0.432	0.2928	0.1936
0811KC-YSKD-G5	Yellow-white silty gypsum rock	0.2593	0.2881	0.2043	0.1526
0811KC-YSKD-G6	Yellow-white silty gypsum rock	0.2683	0.298	0.1831	0.1132
0812KC-AGX-S10	Celadon silty gypsum rock	—	0.1555	0.0785	0.1953
0811KC-YSKD-G4	Celadon silty gypsum rock	0.1952	0.1122	0.0712	0.5266
0812KC-KCHX-G4	Grey-white medium- to coarse-grained sandstone with Cu mineralization	0.2682	0.2674	0.2017	0.2429
0812KC-KL2-G4-2		0.2525	0.2253	0.1554	0.2808
0812KC-KL2-G9		0.2915	0.2932	0.2107	0.2588
0812KC-AGX-TKD	Celadon siltstone with Cu mineralization	0.2376	0.2071	0.1031	0.2031
0811KC-S1-G4		0.2489	0.289	0.2373	0.6280
0812KC-KL2-G14A		0.2383	0.2944	0.1728	0.2871
0812KC-KCHX-G5		0.2712	0.2587	0.1691	0.3565
0812KC-AGX-TK3	Grey-white medium- to coarse-grained sandstone with Cu mineralization	0.2103	0.1891	0.1179	0.3446
0812KC-AGX-TK1		0.1970	0.1612	0.0793	0.2465
0812KC-KCHX-G2		0.1956	0.1322	0.0361	0.2838
0812KC-KCHX-G3		0.1826	0.0844	0.1294	0.2691
0812KC-AGX-S18	Celadon siltstone	0.2523	0.2601	0.2043	0.2938
0812KC-AGX-S16	Celadon gypseous siltstone	0.259	0.2921	0.2917	0.2256
0812KC-KCHX-G9	Celadon mudstone	0.2424	0.2671	0.1988	0.1197
0812KC-KL2-G5	Grey-white medium- to coarse-grained sandstone	0.2576	0.2934	0.1886	0.2712
Average values		0.2532	0.2571	0.1815	0.2621