Pele Mountain Resources (YPN-V) has recovered 53 commercial size diamonds from a 4.5-tonne sample derived from the Genesis occurrence on the Festival property, near Wawa, Ont.
The diamonds weigh in at a total of 0.52 carats; the largest, a broken stone, tips the scales at 0.085 carats. Of the total: 32 were retained by a 0.6 mm square mesh; 16 by a 0.85 mm mesh, 4 by a 1.18 mm mesh; and 1 by a1.7 mm mesh.
The modeled grade for this sample was estimated to be 30 carats per hundred tonnes for diamonds larger than a 1mm square mesh cut off. The estimate is based on data from all 361 diamonds recovered from caustic digestion and bulk sampling of Genesis so far. It does not include a recovery factor to account for the inefficiencies of a commercial processing plant.
The latest 4.5-tonne Genesis sample was collected from an outcrop within a volcanic unit that outcrops intermittently over an area up to 100 by 300 metres.
Earlier this month, Pele reported the recovery of 556 diamonds from 138.2 kg of sample collected from seven occurrences — Genesis, Dom Perignon (North, South and Central), Deutz and Pommery.
The bulk of the stones came from the Genesis occurrence, which surrendered 308 diamonds, including the only two macrodiamonds recovered (a macro is here defined as exceeding 0.5 mm in at least one dimension). All in all, about 77% of all the stones found came in under 0.2 mm.
Pele notes that the latest small samples returned a greater number of larger stones, compared with results from earlier this summer.
On the Festival property, Pele is commissioning a processing facility for macrodiamonds, and taking bulk samples.
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