Namibian metals mining company Andrada Mining on September 18 confirmed that all drill holes – from assay results for the remaining reverse circulation (RC) exploration drilling results of an initial scouting programme undertaken with the ML133 mining licence area (Lithium Ridge) – intersected mineralised pegmatites, with spodumene and petalite identified as the primary lithium minerals. Building on the channel sampling programme, whose results highlighted the potential of the mineralised pegmatites, an exploration drilling programme was implemented to investigate the continuation of selected lithium-enriched pegmatites at depth.
Namibian metals mining company Andrada Mining on September 18 confirmed that all drill holes – from assay results for the remaining reverse circulation exploration drilling results of an initial scouting programme undertaken with the ML133 mining licence area – intersected mineralised pegmatites, with spodumene and petalite identified as the primary lithium minerals.
Andrada has also announced the results of the remaining 11 of 24 holes drilled. The programme indicates that the targeted pegmatites continue at depth, and these analytical results confirm the presence of significant lithium and associated tin mineralisation within multiple pegmatites. “Following the production of a saleable lithium concentrate from Lithium Ridge in May this year, the recently commissioned lithium pilot plant will, when completed, facilitate the determination of an optimal flow sheet as the development advances,” he added.The programme comprised 24 RC drill holes for a total of 1 900 m drilled, yielding about 800 samples for chemical analysis.
Owing to the favourable results of this programme, the company is likely to implement additional drilling programmes with a view to defining a Joint Ore Reserves Committee-compliant resource within this area in the future. Samples with RC chips indicating the presence of xenolith material have been included within the reported intersection. The intersections reported as “including” represent higher-grade intervals within the total intersection of the selected pegmatites.
Owing to the undulating dip angle of the pegmatites, the intersections are assumed to be an indication of apparent thickness, which is greater than true thickness.
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