- Premier African Minerals said the results of test drilling at its RHA tungsten mine in Zimbabwe could support the construction of a new decline and significantly higher mining rate.

The company is currently mulling whether to drill the new decline or continue underground operations through an expansion of an existing vertical shaft.

All holes drilled during the new campaign intersected mineralised zones, Premier African said.

One found mineralisation from 122.9 meters grading at 7.11 kilograms per ton, which indicated the potential convergence of ore-body lode structures.

'Most encouraging are the multiple high-grade intersections and the potential convergence of the ore bodies as we move southeast of the main mining areas,' chief executive George Roach said.

'The convergence and widening of the ore body would seem to support an increase in tonnage and development of a decline shaft system.'

'Whilst the nature of the ore body at RHA is 'spotty' with big variances over short distances, the sheer number of high-grade intersections is most encouraging.'

'In summary, the preliminary internal assay results indicate multiple mineralised load structures with wolframite at commercial grades and visible copper mineralisation in the form of chalcopyrite co-existent in the same ore bodies as the wolframite.'

'The results continue to confirm that mineralisation is increasing in an easterly direction and it is likely that the pit may be extended at a time in the future if a decline shaft is constructed.'

'Any significant extension to the open pit in an easterly direction will interfere with the existing vertical shaft.'

At 1:57pm: [LON:PREM] Premier African Minerals share price was 0p at 0.13p

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