The reprocessing of bulk sample tailings at London-listed Stellar Diamonds’ Tongo kimberlite dyke project in Sierra Leone, has yielded additional diamonds and increased the average grade to 155 carats per hundred tonnes (cpht).
According to CEO Karl Smithson, the grade compares favorably with the previously calculated resource grade of 120cpht and should impact positively on project economics as well as the resource size, which is independently estimated at 1,1 million carats (JORC-compliant).“The final bulk sample to complete the 1 000 carat parcel is currently being extracted and processed and we expect the final grade and value data to be available in August,” says Smithson.
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