White Cliff Minerals Limited (ASX: WCN) has announced rock chip samples taken during the company’s 2024 maiden field programme at its Rae Copper Project have confirmed outcropping, high-grade copper, and precious metals hosted in extensive massive chalcocite vein systems of significant lateral extent.
Copper and silver assays received for three of the five exploration districts at Rae. Representative rock samples from extensive outcropping massive chalcocite veins returned exceptional copper-silver ± gold and confirm what is now believed to be the first major discovery on the company licence area.
The Vision District is a ±10km long NE/SW structural corridor which includes the Don and Pat project areas. Occurring within a “sub parallel, dilutional jog” that provided the necessary depositional environment for copper and precious metal accumulation. It is also possible, although yet to be proven, that these two project areas are contiguous, meaning the two localized ±km long zones of massive chalcocite may be one body up to ±5km in length. Recently flown geophysical surveys will confirm this either way.
At Don several parallel outcropping massive chalcocite veins running roughly NE/SW have been identified over an area of more than 2km2 and returned results of:
- 64.02% Cu and 152g/t Ag (4.88oz/t) (F005965)
- 62.02% Cu and 162g/t Ag (5.20oz/t) (F005966)
- 50.48% Cu and 102g/t Ag (3.28oz/t) (F005959)
- 43.77% Cu and 109g/t Ag (3.50oz/t) (F005958)
- 39.68% Cu and 91g/t Ag (2.92oz/t) (F005971)
- 39.10% Cu and 102g/t Ag (3.28oz/t) (F005964)
- 36.70% Cu and 223g/t Ag (7.16oz/t) (F005975)
- 9.57% Cu, 2.34g/t Au and 128g/t Ag (4.12oz/t) (F005974)
At Pat, ±4.4km along strike from DON & around 600m of visual outcrop, returned assays of:
- 55.01% Cu and 37g/t Ag (F005977)
- 46.07% Cu and 46g/t Ag (F005984)
- 44.43% Cu and 32g/t Ag (F005979)
- 43.10% Cu and 44g/t Ag (F005985)
- 41.26% Cu and 34g/t Ag (F005978)
- 39.90% Cu and 34g/t Ag (F005986)
The company’s primary focus, Hulk, a large scale sedimentary hosted copper target, is a 16x4km magnetic anomaly within the reactive basal sequence of the Rae Group sedimentary basin which has been identified coincident with extensive surface staining of malachite with one sample, F005987, returning 1.65% Cu.
Troy Whittaker, managing director, commented: “The Rae Copper Project is extraordinary in scope and scale. Having undertaken an extensive internet search, it is my belief that these results are the highest ever recorded copper assays from a representative rock chip sample anywhere in the world and in fact are approaching the stoichiometric maximum copper can reach in an ore forming mineral. White Cliff’s Great Bear Lake Project potentially holds the mantle of the highest ever recorded representative silver rock sample assay result of 7.54% Ag and now, the Rae Project can lay claim to the highest ever recorded representative copper rock sample assay.”
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