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Table 1 Mineralogy of heap sample Q63–66

From: Community of thermoacidophilic and arsenic resistant microorganisms isolated from a deep profile of mine heaps

DRX analysis: Main minerals (>3%)

Quartz, SiO2 Illite, (KH30)Al2Si3AlO10(OH)2

SEM analysis: Minor minerals (<3%)

Chalcopyrite, CuFeS2

Covellite, CuS

Fe and Mg oxides

Silicates of Fe, Al, Mg, Na, and K