Silver Bull Resources (TSX:SVB,NYSEMKT:SVBL) announced preliminary results for its completed metallurgical test program on the silver and zinc mineralization at the Sierra Mojada project in Coahuila, Mexico.

As quoted in the press release:

Highlights include:

  • Silver recoveries from the Centenario Zone of up to 89% with an average recovery of 83% silver across a variety of silver grade ranges.
  • The highest silver recoveries were achieved at a 75 micron grind using a cyanide strength of 5 grams per liter over a 24 hour time period.
  • Roasting of the red zinc ore achieved up to 98.9% removal of zinc from the ore via fuming – producing an almost pure zinc oxide concentrate (approximately 80% zinc concentrate) at a 1,300 degrees Celsius roasting temperature.

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