Company: Minera Yanacocha SRL
owner of Minera Yanacocha SRL:
- Newmont Mining Corp. Gold (51.4%), USA
- Cía. Minas Buenaventura SA (43.5%), Perú
- Corp.. Financiera Internac.-IFC - Banco Mundial (5%)
beginning of gold mining by Minera Yanacocha: August 1993
degradation quantity 2005: 2.609 million ounces gold
price per ounce of gold: 930 USD (as of January 2008)
jobs at Minera Yanacocha: 1993: 1000, 2000: 5300, 2006: 11000 (80% in the form of subcontracts)
mining concessions from Minera Yanacocha: 411 concessions
proportion of concessions that are currently being exploited by Yanacocha: 3%
total area for the Minera Yanacocha in Cajamarca holds licenses: 282 079 ha total area, has applied for Minera Yanacocha other mining concessions: 25,000 ha
Movement of earth material by Minera Yanacocha (tons per day) 1994: 17.000 tons / day in 1996: 23,000 tons / day in 2003: 400,000 tons / day; 2006: 600,000 tons / day
From mining affected water source areas: Porcon, Chonta, Honda, Rejo
Since the beginning of the degradation disappeared lagoons: San Jose, Maqui-Maqui, Yanacocha
amount of cyanide that the per tonne earth material leaching of gold is needed: 50 grams cyanide per ton of soil material diluted into 1,000 liters of water
water consumption in comparison
- Agriculture: 6-8 million m3 per year
- Cajamarca City (150,000 inhabitants): 7 million m3 per year
- Yanacocha mine: 17 million m3 per year
exploitation of underground water sources for the mining industry: 2001-2005: 20 064 .779 m 3 Water
* Source: pulls Grufides
0 comments:
Post a Comment