Cia de Minas Buenaventura, Peru's largest publicly traded precious metals mining company, has signed an agreement with Global Geoscience, an Australian junior company headquartered in Sydney, to explore the latter's Mancha Pampa copper-gold porphyry project in Peru. Buenaventura can earn a 61 percent ownership interest in the project by investing 3 million dollars in exploration over a five-year period. Further, Buenaventura has the option of increasing this stake by an additional 19 percent via completion of a feasibility study if Global elects not to participate in this expenditure. The Mancha Pampa project (100 percent owned by Global) is located 150 km southeast of Lima in the Yauyos District of central Peru. Work to date has identified an anomalous copper zone approximately 600 m by 450 m. Soil samples are generally over 120 ppm copper in this zone and range up to 5,150 ppm copper.
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