Lara Exploration Ltd.: Lara Exploration Announces Positive Preliminary Metallurgical Test Work for the Planalto Project in Brazil
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 o...
Source: finanznachrichten.de