The Rio Blanco Copper and Molybdenum Mine in Peru is among the ten largest undeveloped copper mines in the world. According to a report conducted by Snowden Mining Consulting Co., Ltd. under JORC in 2005, the estimated copper resources of Henry Hills, the main mine of Rio Blanco, are 7.11 million tonnes(cut-off grade: 0.4% Cu). The Rio Blanco Copper and Molybdenum Mine is designed to be an open-pit operation, with a mine life of more than 20 years.