Kennady Diamonds (TSXV:KDI) has announced the diamond recovery results from the 2016 Faraday 2 mini-bulk sample. The 21.1 tonne sample was recovered from two larger diameter reverse-circulation drillholes and processed by dense media separation at the Geoanalytical Laboratories Diamond Services in Saskatchewan.
As quoted in the press release:
Kennady Diamonds President and CEO, Dr. Rory Moore noted: “We are very pleased with the result from this mini-bulk sample, which is in line with our expectations from microdiamond test work. While the recovered parcel is not sufficient to obtain a statistically reliable valuation, the results confirm that the Faraday 2 kimberlite has the potential to host a high grade diamond resource.”
The large-diameter reverse circulation drill cuttings were screened during drilling at a 0.85mm square-mesh sieve screen cut-off. The DMS processing facility at SRC operated with a secondary cone crush set at 10mm and a re-crush high pressure grinding roll (‘HPGR’) set at 4 mm. The X-ray sorting and grease table circuits were not employed for Faraday 2 due to a high number of background minerals that are luminescent to x-rays. The DMS concentrates were instead further reduced by caustic fusion methods with diamonds in the final concentrates removed by hand sorting. Twenty natural diamond spikes ranging from 0.14 to 2.84 carats were used in the DMS test and all were recovered. Mr. Howard Coopersmith is Kennady’s Independent Qualified Person for the DMS processing and diamond recovery of Faraday 2 and oversaw all relevant aspects of the sample treatment.
Preliminary core logging and geological modeling for Faraday 2 has identified four kimberlite units (KIMB1-KIMB4), with KIMB1 as volumetrically dominant. The present mini-bulk sample results are a small sampling of these lithologies and because of the small sample size, sample grades for the units could not be individually determined. Table 1 below summarizes the diamond recovery results from the 2016 Faraday 2 mini-bulk sample.
Click here to read the full press release.
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