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Date: Friday, November 9th, 2018Location: Kerby Centre - downtown Calgary (1133 - 7th Ave. SW)Doors open at 11:30 amTalk starts at noonMembership: $10Members: $20Non-members: $25University, SAIT, NAIT students: free with student ID
The Rosario Mining District is a world class historic gold and silver mining district in Sinaloa- Mexico. The Rosario mine is the most prominent historical mine, which operated for 250 yrs. Today it is controlled by Penoles (Fresnillo) and the lack of modern exploration in the mining district has created many opportunities for discovery of attractive world class mineral deposits.
Goldplay Exploration controls 250 sq. of strategic concessions, including recently acquired Advance Resource Stage San Marcial Ag-Zn-Pb- Au Project (“San Marcial”), situated on the western edge of the Sierra Madre geological province at lower elevations in the Rosario Mining District. It hosts a series of important gold and silver prospects and producing mines in a highly prospective geological setting for exploration.
Structurally, the Rosario Mining District has undergone major tectonic extensional events evidenced by extensive regional features, such as the Panuco and Aguas Calientes Graben inside the exploration area. These extensional tectonics are dated Early to Middle Miocene and formed asymmetric regional grabens (pull-apart geological setting) bounded by high angle normal faults, commonly showing prospective exploratory sites for precious and base metals along their edges.The predominant lithological units in the Rosario Mining District are: - Lower Volcanic Group, consisting of weakly to intermediate propylitically altered andesite rocks, with related hypabyssal intrusions (Quartz Porphyry), - Upper Volcanic Group, represented by hydrothermally altered dacitic tuffs and quartz rhyolite and pyroclastic sequence. Improved understanding of the geological setting, mineralization controls accompanied by geophysics, coupled with several world class discoveries in Mexico (e.g. Pinos Altos) are supporting that both groups can host world class gold and silver deposits.
At San Marcial there is a predominance of The Upper Volcanic group, with the Lower Volcanic group occurring at lower elevations. The known silver-lead-zinc-gold prospects at the San Marcial project are hosted along what appears to be highly weathered wide and continuous hydrothermal breccias in close proximity to northwest trending fault structures. The mineralized zones outcrop on surface creating attractive target for future high-grade open pit development.
Marcio Fonseca - President & CEO
P. Geo – M.Sc. in Mineral Project Appraisal Imperial College –UK ( Integrated with MBA Program)- Specialization In Economic Engineering (FDC Brazil).
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. 20+ years of mining and financial industry experience; Former Division Director for Macquarie Bank – Metals and Energy. 10+ years assessing/leading/ investing in business opportunities in Mexico and Latin America. Extensive experience in many jurisdictions through all phases of mineral asset development including senior positions with Vale, Phelps Dodge, and Echo Bay Mines in Latin America. Track record of successful transactions while managing natural resource portfolio at Macquarie Bank, key role in the recent CDN$155M acquisition of SilverCrest by First Majestic Silver Corp. (Mexico, 2015).