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Marcio Fonseca

President & COO at GR Silver Mining Ltd.

Marcio Fonseca has Extensive experience in many jurisdictions through all phases of mineral assets development and operation, asset valuation, due diligence for top tier mining companies and financial institutions. He has Solid technical experience to evaluate exploration and operational assets with knowledge from exploration stage to resource- reserve estimation, mineral project appraisal, feasibility studies, and mining operations.He has Senior roles with Echo Bay Mines, Phelps Dodge, and Vale in Latin America. 20+ years of mining and financial industry experience; Former Division Director for Macquarie Bank – Metals and Energy.


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