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ExGen Resources Inc.<\/strong> is pleased to report positive metallurgical test results by AuRIC Metalurgical Labs, LLC for Phoenix Copper Ltd.’s (“Phoenix”) Empire Mine Project in Idaho, USA. ExGen owns 20% and Phoenix owns 80% of Konnex Resources, Inc. (“Konnex”), which holds the leases and claims to the Empire Mine Project. ExGen further has a 2.5% NSR royalty on the Empire Mine Project and owns 1,330,000 common shares of Phoenix.<\/p>\n Highlights<\/strong><\/p>\n Jason Riley, CEO of ExGen commented: “We are pleased to see the excellent recoveries of gold from the cyanide alternative ATS reagent. Should further testing confirm the recoveries at a larger scale, we are hopeful this could have a positive impact on the permitting timeline for potential gold and silver production at Empire.”<\/p>\n Empire Mine – Gold and Silver Metallurgical Recovery<\/strong><\/p>\n As part of the Company’s ongoing Empire Mine work programme, samples amounting to 400 pounds were collected from outcrops near the location of channel samples analysed in 2018. The head-grade of the 400-pound sample assayed at 12.8 g\/ton gold. The sample was submitted to AuRIC Metallurgical Laboratories in Salt Lake City, Utah for cyanide-alternative laboratory and bench scale agitated-tank leach testing.<\/p>\n AuRIC performed 4 laboratory scale amenability tests and 2 bench scale extraction tests using sodium cyanide lixiviant, and 4 laboratory scale amenability tests and 2 bench scale extraction tests using the non-toxic ammonium thiosulfate lixiviant (ATS), on splits from the primary sample. The results of this test work indicate that ATS works equally as well as sodium cyanide on both the laboratory scale samples (30g to 250g) and the bench scale samples (3,000g). Gold recovery using ATS on the 2 bench samples resulted in 97.8% and 97.7%, and silver recovery was 69.8% and 78.2% after 6 hours of leaching. ATS reagent consumption for both tests was 4.32% and 4.42%, respectively. Tables 1 and 2<\/strong> show the results of ATS 6-hour leach testing.<\/p>\n By comparison, the sodium cyanide gold recoveries on splits of the same sample were 97.8% and 97.7%, and silver recoveries of 68.1% and 65.5% following 6 hours of leach time. The sodium cyanide reagent consumption for both tests was 6.00%. A detailed laboratory report titled “Laboratory and Bench Scale Metallurgical Extraction Tests Performed Using Sodium Cyanide and Ammonium Thiosulfate Leaches on a Composite Sample of Magnetite Ore from the Empire Mine, Custer CO, ID” can be viewed on the Company’s website at <\/em>www.phoenixcopperlimited.com\/reports.<\/em><\/p>\n <\/p>\n\n
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\n Table 1 – 3,000-gram Bench Scale Test Results using Ammonium Thiosulfate – Run 1<\/strong><\/td>\n<\/tr>\n \n <\/td>\n<\/tr>\n \n Test 4894C<\/td>\n<\/tr>\n \n Time (h)<\/td>\n Free ATS (g\/L)<\/td>\n ATS Cons. %<\/td>\n pH<\/td>\n Solution Volume (mL)<\/td>\n Au (g\/ton)
12.78<\/td>\nAg (g\/ton)
13.43<\/td>\n<\/tr>\n\n g\/ton<\/td>\n % Rec<\/td>\n g\/ton<\/td>\n % Rec<\/td>\n<\/tr>\n \n 0<\/td>\n 14.82<\/td>\n –<\/td>\n 10.20<\/td>\n 4,500<\/td>\n 0.000<\/td>\n <\/td>\n 0.000<\/td>\n 0.0<\/td>\n<\/tr>\n \n 1<\/td>\n 14.38<\/td>\n 2.97<\/td>\n 10.20<\/td>\n 4,500<\/td>\n 10.575<\/td>\n 82.7<\/td>\n 5.625<\/td>\n 41.9<\/td>\n<\/tr>\n \n 2<\/td>\n 14.30<\/td>\n 3.51<\/td>\n 10.18<\/td>\n 4,500<\/td>\n 11.820<\/td>\n 92.5<\/td>\n 6.173<\/td>\n 46.0<\/td>\n<\/tr>\n \n 3<\/td>\n 14.22<\/td>\n 4.05<\/td>\n 10.14<\/td>\n 4,500<\/td>\n 12.225<\/td>\n 95.7<\/td>\n 8.888<\/td>\n 66.2<\/td>\n<\/tr>\n \n 4<\/td>\n 14.20<\/td>\n 4.18<\/td>\n 10.14<\/td>\n 4,500<\/td>\n 12.480<\/td>\n 97.7<\/td>\n 9.113<\/td>\n 67.9<\/td>\n<\/tr>\n \n 5<\/td>\n 14.18<\/td>\n 4.32<\/td>\n 10.11<\/td>\n 4,500<\/td>\n 12.450<\/td>\n 97.4<\/td>\n 9.366<\/td>\n 69.7<\/td>\n<\/tr>\n \n 6<\/td>\n 14.18<\/td>\n 4.32<\/td>\n 10.06<\/td>\n 4,500<\/td>\n 12.495<\/td>\n 97.8<\/td>\n 9.374<\/td>\n 69.8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n