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Positive Metallurgical Results, Mina do Barroso
Positive Metallurgical Results, Mina do Barroso.
About this update from Savannah Resources Plc
[{"type":"text","content":"\n \nRNS Number : 5826G Savannah Resources PLC 05 March 2018 \n\n5 March 2018\n \nSavannah Resources Plc\nMetallurgical Testing Provides Further Positive Results\nMina do Barroso Lithium Project, Portugal\n \nSavannah Resources plc (AIM: SAV and SWB: SAV) ('Savannah' or the 'Company'), the AIM quoted resource development company, is pleased to announce that Phase 2 metallurgical test work has returned encouraging results at the Mina do Barroso Lithium Project ('Mina do Barroso' or the 'Project'), located in Portugal (Figure 1). Further follow up work is now underway. To view the press release with the illustrative maps and diagrams please use the following link: \n \nhttp://www.rns-pdf.londonstockexchange.com/rns/5826G_-2018-3-2.pdf\n \n \nHIGHLIGHTS:\n \n· Analysis confirms high-grade spodumene mineralisation with a lithium content of around 1.7% Li2O and low impurities - less than 0.5% Fe2O3\n· Mineralogy analysis confirms spodumene is the dominant lithium mineral with low contaminants\n· Test work continues to confirm well proven, conventional metallurgical processes will produce a spodumene concentrate \n· Preliminary test work suggests that by using a process route combining both gravity separation and flotation that a total recovery of at least 80% at a concentrate grade of over 6% Li2O is likely to be achieved\n· Heavy Liquid Separation (HLS) testing and small-scale pilot testing confirms industry benchmark, low-iron, 6% Li2O concentrate can be produced by low cost gravity processing\n· Test work completed to date suggest at least 40% of the contained lithium can be recovered via gravity processing\n· Preliminary tests show that over 70% of lithium not recovered by gravity can be recovered by flotation at a grade of over 6% Li2O\n· Further improvements are expected as part of Phase 3 of the test work programme currently underway - diamond drilling is underway at Grandao and Reservatorio to collect additional samples for the Phase 3 test programme, with results expected in Q3 2018\n· Mr Noel O'Brien, a metallurgist and lithium processing expert with over 35 years' experienc...