CABORCA, SONORA STATE, MEXICO, December 4th, 2017 (PR NEWSWIRE) — Mexus Gold US (OTCQB: MXSG)(“Mexus” or the “Company”)  announced that the new Merrill Crowe gold recovery system has been installed and is fully operational at the Santa Elena mine.  Mexus and its JV partner, MarMar Holdings, successfully tested the system December 3rd.  The crew at the mine site has been adding new material to the heap leach pad that was assayed at 12 to 14 grams per ton Au.  MarMar Holdings ...