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Lara Exploration Ltd.: Lara Exploration Announces Positive Preliminary Metallurgical Test Work for the Planalto Project in Brazil - The test work conducted by Blue Coast included studies on chalcopyrite liberation, rougher and cleaner flotation and comminution, QEMSCAN mineralogy studies and some trialing of gravity concentration on the final copper concentrate to see if a commercial grade gold-copper concentrate could be attained. Mineralogical analysis showed chalcopyrite liberation to be 71-73 % at 80% passing 75 microns, whereas with the coarser grind of 106 microns, the liberation was only 55%. A portion of the chalcopyrite has been shown to occur as fine-grained disseminations enclosed in silicate minerals and as such not readily liberated. A total of eight flotation tests were trialed, using different primary grind sizes and different frothing and collector agents to determine the best flow sheet to achieve an optimum copper grade and recoveries into the roughe ....
Lara Exploration Announces Positive Preliminary Metallurgical Test thewhig.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thewhig.com Daily Mail and Mail on Sunday newspapers.
Article content Hochschild has the option to purchase the Corina Project from Lara by making staged cash payments totalling US$4,150,000 of which US$650,000 has been paid to date, with the next installment of US$1,000,000 due in July 2021. Hochschild also has the obligation to pay a 2% net smelter return royalty on any production (see Company news release of June 23, 2014 for details). Drilling Data, QAQC and Qualified Person Drilling is being supervised by Hochschild’s brownfields technical team, based at the Pallancata Mine. The Q1-2021 drill holes reported here generated 399 core samples, which were submitted for analysis at Hochschild’s internal laboratory at the Selene Plant nearby, along with a total of 87 QAQC reference samples (blanks, standards and duplicates). ....
Lara Exploration Ltd.: Hochschild Intercepts 1.6m Averaging 6g/t Gold and 39g/t Silver at the Lara's Corina Gold Project in Peru finanznachrichten.de - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from finanznachrichten.de Daily Mail and Mail on Sunday newspapers.
Lara Exploration Ltd: Diamond Drilling Identifies More Extensive Vanadium Mineralization at the Itaituba Project in Brazil streetinsider.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from streetinsider.com Daily Mail and Mail on Sunday newspapers.