PYBAR’s Sunday Creek exploration decline: design and resource lens for mine planners
Reviewed by Joe Ashwell
First reported on International Mining – News
30 Second Briefing
PYBAR Mining Services, a Thiess company, has secured the underground exploration decline contract for Southern Cross Gold Consolidated’s Sunday Creek gold–antimony project, located about 60 km north of Melbourne in Victoria. The contract follows Resources Victoria Work Plan approval in November 2025 and public backing from Premier Jacinta Allan, clearing key regulatory and political hurdles. Development of an exploration decline at Sunday Creek will enable deeper drilling, improved structural understanding of the high-grade gold–antimony system, and more accurate resource definition ahead of any future mine design.
Technical Brief
- Contract scope centres on driving an underground exploration decline to access deeper Sunday Creek mineralisation.
- PYBAR’s package is expected to include decline development, associated level drives and underground drilling platforms.
- Underground works will require establishment of surface support infrastructure: portal, ventilation, power, water and communications.
- Decline development will enable tighter drill spacing at depth, improving structural and grade continuity modelling.
- Deeper underground drilling from the decline should reduce hole deviation versus long surface holes in complex structures.
Our Take
Sunday Creek’s gold–antimony mix places Southern Cross Gold alongside a small cluster of antimony-linked stories in our database that emphasise supply risk and solar-sector demand, suggesting any successful decline development could attract strategic interest beyond traditional gold investors.
The strong Apollo target intercept reported on 16 March 2026 at Sunday Creek indicates that moving to an exploration decline is likely aimed at accelerating conversion of high-grade shoots to underground drill platforms, a pattern seen in other Victorian goldfields where early decline access has shortened the path to feasibility work.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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