Rock samples from the small open pit already at the site returned grades up to and over 4% while the sidewall assays suggest the mineralisation spreads wider.
A new outcrop discovery points to an extension of the copper zone 350m to the southwest
Bezant has a conditional option to acquire 50% of Buffalo.
Laurence Read, chief executive, said: "This latest round of rock chip sample results demonstrates the presence of principally one per cent or more copper located at surface.
“In addition to the recorded copper results the other information obtained from the assay results including the iron, silver and gold content adds valuable information informing the team as to how the mineralisation might be structured along strike and at depth.”