Arizona Gold & Silver achieves strong gold recoveries, resumes drilling at Philadelphia project
Arizona Gold and Silver CEO Mike Stark joined Steve Darling from Proactive to share encouraging results from column leach tests on bulk samples at the company’s Philadelphia Project in Arizona. The latest data show a clear benefit from high-pressure grinding roll crushing, with material from the near-surface stockwork gold zone proving highly amenable to heap leach extraction for both gold and silver. After 119 days of leaching, the bulk sample crushed by HPGR to 6.3mm achieved 76%...
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