Independent Metalurgical Testing Confirms Higher Gold Recoveries Achievable At Cerro Prieto Gold Mine

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[{"type":"text","content":"Independent Metalurgical Testing Confirms Higher Gold Recoveries Achievable At Cerro Prieto Gold Mine\n\n\n (TheNewswire)\n \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n Vancouver, British Columbia (October\n22, 2024)\n \n\n –\n \n\n TheNewswire\n–\n \n\n Goldgroup Mining Inc. (“\n \n\n Goldgroup\n \n\n ” or the\n“\n \n\n Company\n \n\n ”) (TSX-V: GGA, OTC: GGAZF, BMV SIX:GGAN.MX) is pleased to\nshare recent positive metallurgical testing results for Esperanza and\nNeuva Esperanza Zones at the Company’s 100% owned Cerro Prieto Mine\nlocated near Magdelana, Sonora State, Mexico.\n \n\n\n\n\n HIGHLIGHTS\n \n\n\n\n\n\n\n Cyanide Agitated Bottle Roll Leach\nTesting on Composite Samples\n \n\n\n\n\n\n Esperanza Zone\n \n\n - Average gold, silver extractions of 78.03%, and 63.12% obtained\nafter 72 hours of retention time.\n \n\n\n\n\n\n Nueva Esperanza Zone\n \n\n -\n \n\n Average gold silver extractions of\n82.07%, and 90.42% obtained after 72 hours of retention time.\n \n\n\n\n\n\n\n\n\n\n Locked Cycle Cyanide Column Testing\nfor 78 days on the Esperanza Composite\n \n\n\n\n\n\n The highest gold extraction of 78.88% with silver\nextraction of 21.18% was obtained at a sodium cyanide concentration of\n600 ppm and crush size of\n \n\n 80\n \n\n of 3/8”, resulting in,\n \n\n\n\n\n\n\n\n\n\n a calculated gold and silver recoveries of 72.09%\nand17.27% respectively\n \n\n (3%\nDiscounted from Column Extraction) x 95% ADR Plant Recovery)\n \n\n\n\n\n\n\n\n Locked Cycle Cyanide Column Testing\nfor 78 days on the Nueva Esperanza Composite\n \n\n\n\n\n\n The crush size of P\n \n\n 80\n \n\n of 3/8” gives gold extraction of 77.30% and silver\nextraction of 31.37%, obtained at a sodium cyanide concentration of\n600 ppm and crush size of\n \n\n 80\n \n\n of 3/8”, resulting in,\n \n\n\n\n\n\n\n\n\n\n a calculated gold and silver recoveries of 72.09%\nand17.27% respectively\n \n\n (3%\nDiscounted from Column Extraction) x 95% ADR Plant Recovery)\n \n\n\n\n\n\n\n Goldgroup CEO, Ralph Shearing, commented,\n“Historically Cerro Prieto has deposited crushed mineralized\nmaterial to the leach pads at\n \n\n\n\n\n P\n \n\n 80\n \n\n\n of 5/8” and\nover the past five years has deposited an average of 42% ROM (Run of\nMine uncrushed material). &#...

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