The sand jet testing is mostly needed for thin sands to get the best results.
The move to conventional testing with explosives suggest, very strongly, that the thick sands in MOU-3 have been double checked and are very suitable for standard testing.
Looks a very confident move.......and should result in very good results.
Elsewhere, tin output at Uis ran at record levels in the final quarter of 2022, with 361 tonnes (t) of concentrate and 214t of metal produced. For 2002 overall, production was 960t of concentrate, a 19% increase, with metal up 18% at 596t.
Andrada also said sustainable costs (AISC) fell 9% on average and in the final quarter were its lowest ever at US$18,236/t.