Geology and High-Grade Sampling
Mineralisation occurs as a series of pods within shears over an area of about 200 m by 300 m, with potential strike extensions to the west obscured by alluvium. The gossans are dominated by goethite with secondary copper minerals including malachite. Superior has interpreted the weathered material as indicating a sulphide-rich primary mineralisation style and potential for supergene enrichment at depth.
Sampling reported on 10 September 2025 returned copper values up to 10.99% Cu with associated gold and silver, including:
Telegraph West
Telegraph West was previously defined as a 1.5 km x 0.5 km high-order soil-copper anomaly about 1.5 km west of the main Telegraph Prospect and was reported as untested by drilling. However, on 31 July 2026 Superior disclosed potential issues with the soil geochemical dataset underlying the Telegraph West target. The dataset remains under review, and Superior intends to reassess the exploration merit of Telegraph West after that review is complete.
Exploration Outlook
Superior announced in December 2025 and January 2026 that it was designing an RC and diamond drilling program of up to 3,000 m across Halls Reward and Telegraph, targeting surface mineralisation and geophysical targets. Adverse weather delayed final design and planning during 2026. As at 31 July 2026, planned drilling at Halls Reward and Telegraph remained consistent with the previously announced programs, with finalised details yet to be announced.