Satellite image of open pit mines in the Caraj醩 Mountains in the Brazilian Amazon. The largest mine, the Serre Norte complex, is the red area at centre right. To its lower left is the Blue Mine, and at bottom right is the Sossego Mine (white). This area is mined for metal ores, including iron, copper and gold. Image obtained by the Operational Land Imager (OLI) on the Landsat 8 satellite on 16th July 2018.