Reverse Circulation Drilling
RC drilling will be sampling the transported cover -- the Kalahari Group -- testing for metal anomalism which may originate from buried mineralization in the Neoproterozoic 'basement'.
The RC drilling will work an offset grid pattern with lines spaced 2km apart as per Figure 2 below and average 50 meters deep with a following diamond 'tail' when selected. The RC drill program envisions two-hundred fifty (250) holes to be drilled in priority areas to outline deposit footprints with further areas to be covered if the technique proves successful
Samples of Kalahari sand will be split and composited into 2 meter samples on the drill rig, and then sieved to a 180 micron fraction. This fine fraction will be depleted in quartz grains and enriched in metal-adsorbing clays and iron-oxides. Samples will be assayed for trace Cu, Ni, Au and accessory metals. The diamond drill 'tail' will collect a small (1 to 6 meters long) core sample from the Neoproterozoic basement
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