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Dairy cows passing between dunes, Maule province, Chile (35°47’ S, 72°33’ W).Snow-covered summit of Villarrica volcano, Chile (39°25’ S, 71°57’ W).Salmon farm near Mechuque in the Chauques Islands, Chile (42°17’ S, 73°34’ W).
Glacier flowing into the San Rafael lagoon, Chile (46°41’ S, 73°60’ W).Loading sawdust north of Calbuco, Chile (41°45’ S, 73°10’ W).Salar de Atacama, Chile (23°18’ S, 68°11’ W).
Waste from the copper mine at Chuquicamata, Chile (22°17’ S, 68°52’ W).Sand dune at the entrance to the Valley of the Moon, Chile (22°52’ S, 68°19’ W).Salar de los Infieles, Aguilar, Andes cordillera, Chile (25°53’ S, 68°53’ W).
Chuquicamata copper mine, Chile (22°19’ S, 68°56’ W).Maricunga salt lake, Chile (26°55’ S, 69°05’ W).« Lava truck » in a steelworks at San Felipe, Chile (32°45’ S, 70°44’ W).
Moaïs statues, Ahu Tongariki, Easter Island, Chile (27°08’ S, 109°17’ W).Dunes bordering the town of Concón, Chile (32°55’ S, 71°31’ W).Rano Kau volcano in Rapa Nui national park, Easter Island, Chile (27°11’ S, 109°26’ W).
Erosion on the peninsula of Poike, Easter Island, Chile (27°06’ S, 109°14’ W).Volcano of Rano Raraku, Easter Island, Chile (27°06’ S, 109°14’ W).Rano Kau Volcano Crater, Easter Island, Chile (27°11’ S, 109°26’ W).
Volcano of Maunga O Tu’u, Easter Island, Chile (27°08’ S, 109°23’ W).

Waste from the copper mine at Chuquicamata, Chile (22°17’ S, 68°52’ W).

This giant scallop shell is made of earth. A crane deposits the earth in successive, slightly curved lines giving the appearance of sheets of sand lined up side by side. This earth is extracted with the copper, but it is separated from the ore by sieving. The metal is refined in the Chuquicamata foundry that, thanks to newly installed equipment, can now filter out 95 percent of the sulfur dioxide (SO2) and 97 percent of the arsenic that the process releases. A 1992 law aimed at reducing air pollution has required Codelco-Chile, the state-owned company that runs the mine and its facilities, to invest tens of millions of dollars to modernize them. This has not, however, prevented the company from increasing production capacity; indeed, starting in 2004, the Chuquicamata mine will have ramped up to produce 750,000 metric tons of copper per year, compared with 630,000 metric tons in 2001.

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