Bulk-sampling results from the Klipspringer deposit in South Africa suggest it ranks among the highest-value diamond projects in the world, reports SouthernEra Resources (SUF-T).
A 425-tonne sample of primary kimberlite from Klipspringer’s main fissure returned an average grade of 0.84 carat per tonne. At a price of US$97.75 per carat, this grade equates to an average value of US$82 per tonne, compared with a range of US$9-210 per tonne for the world’s top 25 active diamond mines and projects.
SouthernEra estimates that its mining costs at Klipspringer will be low (about US$25 per tonne) as a result of a favorable year-round climate, proximity to infrastructure, competent host rock and horizontal mining techniques.
The main fissure, with a strike length of more than 2.7 km and a width of up to 2.5 metres, has, to date, yielded more than 3,000 carats worth $300,000. A 5,000-tonne program of bulk sampling is in progress.
In the meantime, exploration is under way along a separate fissure (Sugarbird) to the north, as well as on other linear and circular anomalies on the property.
On a regional scale, SouthernEra is investigating a 62-km trail of kimberlitic minerals.
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