Artisanal mining. Bags of gossan stone ready for processing. Iron in the stone has rusted on contact with the air,giving it a deep red colour. The presence of iron indicates the presence of other metals,including gold. The stone will be ground to extract these metals. Photographed in Macalder,Kenya | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Hill, Phil |
Bildgröße: | 4752 px × 3168 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |