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NGEx has been granted two exploration licenses in the Republic of the Congo (Congo-Brazzaville) over the Reneville and Kingouala areas. NGEx is targeting high grade copper and lead-zinc carbonate replacement mineralization hosted in Upper Proterozoic sedimentary rocks. The style and geological environment of mineralization has similarities to that seen at Anvil Mining's Dikulushi copper-silver mine hosted in similar rocks in the Democratic Republic of Congo. NGEx's properties lie on strike with the past-producing copper, lead, and zinc mines at Mindouli, Mpassa, Boko Songo, Haplio, Mfouati and Yanga Koubenza-Palabanda. Mineralization in these deposits is at least partly hosted in solution collapse karst features. Historical prospects contained within NGEx's licenses include Reneville and Pieme, which occupy similar geologic settings to that of the past-producing mines.
Rock samples from Reneville show that copper mineralization consists of a high-grade (>5% Cu) karst fill, and a lower-grade (1-2% Cu) fracture controlled mineralization; similar high- and lower-grade mineralization occurs at the nearby Mindouli mine.
In addition to Reneville, soil and rock-chip sampling undertaken by NGEx has defined a 4 km-long mineralized trend at Pieme with high (>1%) lead values. A strong self potential anomaly (historical data) lies in the western part of the prospect, and a prospective limestone horizon, the host of the mineralization in the district, is expected to occur close to the surface along the entire 4 km mineralized trend. NGEx has also defined soil anomalies and identified gossan outcrops at the Nkabi prospect. Other prospects defined by soil sampling include Kikoumpa, Ngouma, Reneville SW, and Matatolo.
NGEx is currently undertaking infill soil sampling at these prospects. With additional sampling, trenching, and geophysics, NGEx hopes to define drill targets by September or October 2010.
Maps and Photos
Exploration LicensesThe licences are on strike with a historic mining district with numerous high grade copper-zinc-lead bodies hosted in carbonate rocks. The style of mineralization discovered to date suggests potential for multiple relatively small, but very high grade polymetallic ore bodies. The project area has reasonable infrastructure near Brazzaville-Pointe Noire railway.
Africa ProjectsThe Company has projects in Eritrea, Burkina Faso and Republic of Congo.
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