Antimony Operations
· The global average based on these drill holes and rock chip samples was ounces () gold, and ounces ( grams) silver, and % antimony per metric ton. To date, less than 5% of the surface area of the property has been drilled. A caustic leach plant was built at Madero during 2015 and 2016 to treat flotation concentrates from Puerto Blanco. An appliion for a .
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