Koubongo East Zinc Prospect
At Koubongo East (2 kilometre to the east of Koubongo West) a 200 parts per million zinc anomaly 1500 metres long had a maximum soil sampling anomaly of 306 parts per million zinc. A single reverse circulation drill-hole with a diamond tail (KBH004) drilled by Ampella at Koubongo East intersected sub-economic zinc grades of 4 metres at 2.19 per cent zinc from 43 metres and 3 metres at 1.12 per cent zinc from 22 metres down hole.
All past geological, geophysical and geochemical information for the Koubongo zinc anomalies are being reassessed for integration into a basin analysis reconstruction. Such information will assist targeting and identification of additional sources of VHMS mineralization.
The Koubongo zinc anomalies are located on the northern flanks of the Tiebele Dome within east-west trending sericitised felsic volcanic, mafic volcanic and meta-sediments. Anmercosa completed soil sampling over Koubongo West on a 200 by 50 metre grid resulting in an east-west trending 400 parts per million zinc anomaly 3500 metres long by 200 metres wide. Peak zinc values were 969 parts per million zinc. This zinc anomaly was repeated in channel sampling undertaken by Ampella in 2008 over strongly sericite altered felsic volcaniclastics.