Highway
Interest: Manhattan 100%
Operator: Manhattan Corporation Limited
The Highway uranium prospect is located in E28/1523 and E39/1143 centred 15 kilometres northwest of the Double 8 uranium deposit at Ponton.
In 2010 Manhattan completed 275 vertical aircore drill holes totalling 17,670m and 3 duplicate sonic drill holes totalling 144m of drilling at Highway. Drilling has been completed on 400m spaced lines with holes drilled at 100m centres along each grid line across the palaeochannel within mineralised zones. All drill holes were gamma logged.
Extensive anomalous uranium mineralisation, again confirmed by the down hole gamma logs, 400m to 2,000m wide and between 2m and 25m thick have been encountered in drilling along 10 kilometres of the palaeochannel at Highway at 40m to 80m deep.
The Highway prospect has also been systematically drilled to a detail that would support resource estimations. The sonic holes have duplicated and twinned mineralised holes at Highway and provided competent samples of the unconsolidated mineralised sands for chemical analysis. Resource estimates will be completed and reported when further secular disequilibrium data are received, models refined and conversion procedures for Manhattan’s down hole gamma probe data to grade eU3O8 are finalised. Preliminary information gives a strong likelihood that a disequilibrium factor for the Highway prospect may be significantly higher than the x1.2 currently assumed for the Inferred Resources at Double 8.
Apart from some shallow lignite hosted uranium mineralisation encountered along the northern part of the palaeochannel at Highway, the geological controls and style of the channel sand hosted uranium mineralisation at Highway are similar to the mineralisation encountered at Double 8 and Stallion.