Sustainability Report - Antofagasta PLC

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Environmental and social context of our operations Location Climate Rainfall - Annual average millimetres Altitude - Metres above sea level Contribution of the mining sector to regional GDP 1 Regional poverty rate 2 Regional unemployment rate 3 Operation and processes Products Operation Processing Water source Transport Environment Local environmental challenges Biodiversity Los Pelambres Esperanza El Tesoro Michilla Activity is concentrated along the agricultural Choapa Valley. Los Pelambres comes into contact with around 40 communities from its deposit in the Cordillera de los Andes to its port at Los Vilos. Coquimbo Region. High altitude cold climate. 100 3,800 14.6% 12.3% 8.3% Copper and molybdenum concentrate. Open pit mine. Flotation Local surface water and groundwater. Copper concentrate is transported via a 120km underground pipeline crossing farming communities. · Preventing incidents · Water quality · Air quality · Biodiversity Operation: Wetland and high plateau thickets. Sclerophyll and waterleaf forests, wildlife. Port: Protected bird species; abundance of marine life; and the Conchalí Lagoon coastal wetlands. Located a few kilometres from El Tesoro, and 30km from the nearest community at Sierra Gorda. The port is located on the outskirts of Caleta Michilla. Antofagasta Region. High altitude desert climate. 5 2,300 54.3% of the Antofagasta Region GDP. 7.3% 7.7% Copper concentrate with gold. Open pit mine. Flotation Non-desalinated sea water. Copper concentrate is transported across the Atacama desert through a 145km pipeline. · Preventing incidents · Marine biodiversity · Air quality Operation: Sparse flora and fauna. Port: Marine birds and mammals, benthic flora and fauna. Operates in a desert area with a mining tradition. Sierra Gorda, the nearest populated area is 21km away and has 800 inhabitants. Its main activity is providing mining services. Antofagasta Region. High altitude desert climate. 5 2,300 54.3% of the Antofagasta Region GDP. 7.3% 7.7% Copper cathodes. Three open pit mines: Tesoro Central, Tesoro Noreste and Mirador Run-of-Mine (‘ROM’) operation. Leaching 1 Central Bank of Chile. Figure in 2009. 2 National survey CASEN 2009 (National Socio Economic Characterization Survey). 3 Institute of National Statistics – 2010. The rate includes both the unemployed and those seeking work for the first time. Surface water from third-party supplier and groundwater from wells in Calama. Cathodes are transported by truck to a transfer station, then onward by train. · Preventing incidents · Water conservation · Air quality Operation: Sparse flora and fauna. The water well is located among desert thicket vegetation and fauna. This operation does not have a port. Antofagasta Minerals 33 Operates in a coastal desert area with little population, close to Caleta Michilla, with 250 inhabitants whose main activity is providing mining services and small-scale artisanal fishing. Antofagasta Region. Coastal desert climate. 3 800 54.3% of the Antofagasta Region GDP. 7.3% 7.7% Copper cathodes. Underground Estefanía mine and open pit mine called Lince, and other underground operations leased to third-parties. Leaching Non-desalinated sea water. Cathodes are transported by truck on public roads. · Preventing incidents · Marine biodiversity Operation: Sparse flora and fauna. Port: Marine birds and mammals. Overview Sustainability at Antofagasta Antofagasta Minerals Antofagasta Railway Company Aguas de Antofagasta Appendices
34 Antofagasta plc Sustainability Report 2011
Page 1 and 2: Antofagasta Sustainability Report 2
Page 3 and 4: Contact Information Please address
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Page 14 and 15: Sustainability at Antofagasta Our c
Page 16 and 17: Compliance with the UK Corporate Go
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Page 20 and 21: Material issue Community relations:
Page 22 and 23: Ambition Improve accountability for
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Page 28: Public policy Antofagasta’s busin
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Page 64 and 65: Antofagasta Railway Company The com
Page 66 and 67: The Company With a total workforce
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Page 70 and 71: - Improving safety at railway cross
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Appendices Summary GRI Content Inde
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Appendices 85 Section/Indicator Pag
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Sustainability Report 2011 Directio
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