Coca Mines, Inc.
Gold and Silver Feasibility Study
Idaho
Engineering services were provided to Coca Mines in the preparation
of a bankable document for their gold/silver property in Idaho.
The feasibility study developed a 3,000 TPD agitation leach and
CCD circuit incorporating gravity concentration in the grinding
circuit. The facility included a Merrill-Crowe zinc gold recovery
circuit.
The property was subsequently purchased by the Hecla Mining Company.
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