Mar 3 2011
African Metals Corporation (TSXV: AFR) has reported that the Company has received final assay results from 4 drill holes completed on its Luisha South Project in the Katanga Provence of Democratic Republic of Congo.
The results confirm the continuity and grade of mineralization identified by the June 2010 Reverse Circulation (RC) drilling program, and with LUDH025 extends the mineralization beyond current resource block model limits.
HIGHLIGHTS
- 48.50 meters at 1.64% Cu, 0.26% Co from 33.3m (LUDH025)
- 42.95 meters at 1.93% Cu, 0.60% Co from 2.3m (LUDH026)
Including 6.15 meters at 3.23% Cu, 0.98% Co from 2.6m.
- 22.35 meters at 2.28% Cu, 0.51% Co from 0m (LUDH032)
Including 4.45 meters at 5.62% Cu, 1.00% Co from 7.2m.
Luisha South Project Diamond Drilling
Rubaco Sprl and DrillTek Sprl, drilling contractors, combined to complete a total of 1538.73 metres of diamond core drilling from 22 holes at the Luisha South Project in January 2011. The holes targeted down dip and southeast extensions of mineralization highlighted by the March 2010 geochemical sampling program and June 2010 RC drilling program.
The RC drill program enabled a JORC and NI43-101F compliant resource estimation of the Luisha pit mineralization, resulting in an Inferred Resource of 75,400 tonnes of copper and 23,200 tonnes of cobalt metal. Some of the holes from the RC program however either terminated within, or short of, copper and cobalt mineralized horizons, producing interpolation gaps in the resource block model. The diamond holes in the recently completed program were designed to infill the gaps and further define the extents of the mineralization.
The reported analytical results were from four holes cored in the base of the Luisha open pit. Drill hole LUDH025 successfully tested the down dip extent of the northeast pit wall mineralization, intersecting consistent copper and cobalt mineralization from areas that are outside of the current resource block model; of significance are approximately ten intersections returning >2% copper.
Drill holes LUDH026, LUDH027 and LUDH032 successfully tested the near surface continuity of the northeast pit wall mineralization in locations where the June 2010 RC drilling was hindered by topographic constraints and holes were unable to be drilled. The analytical results support a potential upgrade to the resource model in this part of the pit.
Mineralization styles observed in the core included both syngenetic (bedding parallel and disseminated fine pyrite lenses and blebs replaced by chalcopyrite and carrolite) and epigenetic (fracture and vein hosted sulphides). Supergene minerals malachite and heterogenite are observed overprinting and replacing the earlier sulphide phases.
All four holes intersected broad intervals of copper and cobalt sulphide minerals, mainly chalcopyrite and carrolite, with subordinate malachite and heterogenite (non-sulphide copper and cobalt minerals respectively). The mineralization is hosted within the Mines Series R2 Stratigraphy (SD, "BOMZ-RSF-RSC" and "Grey RAT"), stratigraphic horizons known to host significant mineralization at other mine sites including Tiger Resources' Kipoi mine located approximately 7.5km along strike to the southeast.
AFR will continue to report assay results from the remaining drill core samples as they become available.
Nigel Ferguson, AusIMM, President and CEO of the Company and a qualified person under National Instrument 43-101, has verified data disclosed in this release.
Source:
African Metals Corporation