BRC updates Silverstreams project

BRC DiamondCore Ltd., an African-focused diamond explorer active in South Africa and the Democratic Republic of the Congo, provides update on bulk sampling and exploration drilling on the Silverstreams Project in the Northern Cape Province of South Africa.

The Silverstreams Project, which is the most advanced of the Company’s alluvial diamond projects, covers 3,589 hectares and is located on the northern bank of the Orange River some 14 kilometres from the town of Prieska.

The company says that a total of 1,465.25 carats have been recovered from bulk samples at an average recovered grade of 0.27ct per hundred tonnes. 713 vertical percussion boreholes (total length of 6,019

The bulk samples taken to date indicate a range of recovered (fully diluted, delivered to Pan Plant) sampling grades between 0.03cpht to 0.97cpht (with a weighted average of 0.27cpht). In general, the Basal Gravels exhibit higher recovered grades (averaging ~0.3cpht) than the Suspended Gravels (averaging ~0.13cpht).

These recovered sampling grades, while lower, are in range of the average 0.5cpht grade estimated for the Inferred Mineral Resource at Silverstreams reported by independent consultants, Venmyn Rand (Pty) Limited.

These results do, however, confirm the diamondiferous nature of the gravels, as well as the localization of some very high grade areas (~1.0cpht).

Among the 1,465.25cts recovered to date, the bulk samples have produced a number of exceptional stones, including a 77.34ct diamond which was sold for US$904,724 and a 13.65ct diamond which was sold for US$518,180.

Meanwhile, the Silverstreams Project has seen numerous phases of percussion drilling and gravel orebody modelling, each representing a refinement of the previous phase.

Vertical percussion drilling over the property is ongoing in order to refine the geological model of the gravels over the property. Initial drilling was conducted on a 100 metre x 250 metre grid. Current in-fill drilling is being done at a 100 metre x 50 metre grid in general, and in some areas this grid is being in-filled at 25 metre x 25 metre drill spacing in order to develop a detailed understanding of the gravel horizon development on Silverstreams.

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