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Highlights
- Surefire Resources has reported surface gold assays up to 13.19 g/t at the LOOT prospect within Yidby Gold Project.
- Float rock sampling has confirmed gold mineralisation within Albitite lithology.
- Mineralised Albitite has been identified across a strike length of 165 metres.
- Geological observations indicate potential down-dip and strike extensions.
- Sampling builds understanding of a newly recognised gold-bearing system.
Surefire Resources NL (ASX:SRN) has reported assay results from on-surface float rock sampling at the newly identified LOOT prospect within its wholly owned Yidby Gold Project in Western Australia, with findings pointing to a distinct style of gold mineralisation.
High-Grade Surface Results
Sampling at the LOOT prospect returned gold grades of up to 13.19 grams per tonne from on-surface float rock. These results were derived from follow-up work along strike, expanding on earlier sampling conducted in March 2026.
The presence of gold across all samples within this lithological setting highlights a consistent mineralised system at surface.
Albitite-Hosted Mineralisation
The gold mineralisation is associated with Albitite, a grey, fine-grained felsic rock dominated by albite. At the LOOT and nearby Cashens Find prospects, this lithology contains over 90% Albitite with relict sulphide casts observed within the rock.
Albitite forms through sodium metasomatism, where original minerals are replaced by albite under hydrothermal conditions. At Yidby, this process is interpreted to occur within structural features such as shears, faults and fracture corridors.
Strike Extension Identified
Field observations confirm Albitite-hosted float rock along a strike length of approximately 165 metres. This continuity provides insight into the orientation of the mineralised zone and supports further mapping of the system.
Given the structural setting, the mineralisation is considered likely to extend both along strike and at depth.
Geological Context and Indicators
Examination of the historic Cashens open pit has identified previously unrecognised Albitite within the ore zone, suggesting this lithology may have played a role in earlier gold occurrences.
Despite limited gold anomalism in transported soil geochemistry, the density contrast between Albitite and surrounding ultramafic rocks may assist in identifying additional targets using geophysical methods.
Exploration Implications
Albitite occurrences in Western Australia are typically associated with major shear zones and established gold systems within the Yilgarn Craton region. The identification of similar geological characteristics at Yidby provides a framework for further exploration targeting.
The recent sampling program contributes to a developing understanding of the LOOT prospect and its relationship to broader mineralisation across the Yidby Gold Project.
SRN shares traded at AUD 0.001 at the time of writing on 30 April 2026.
