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