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Southern Cross Gold Uncovers Record Antimony and Expands Golden Dyke Depth

Mining By Maxwell Dee 3 min read

Southern Cross Gold Consolidated Ltd reports significant high-grade gold and record antimony intersections at its Sunday Creek project, extending mineralization to 560m depth and beyond known boundaries. The dual-commodity profile enhances the project's strategic and economic potential amid rising global antimony demand.

  • Golden Dyke mineralization extended to 560m depth
  • High-grade gold intercepts including 0.5m at 164.3 g/t AuEq
  • Record antimony grade of 48.9% Sb, third highest on project
  • New vein sets discovered 50m west of known mineralization
  • 60,000m drilling program underway with nine rigs active

Expanding the Golden Dyke System

Southern Cross Gold Consolidated Ltd (ASX – SX2) has announced a series of compelling drilling results from its 100%-owned Sunday Creek gold-antimony project in Victoria, Australia. The latest diamond drilling at the Golden Dyke prospect has extended the known mineralized system both laterally and at depth, now reaching 560 metres vertically below surface; one of the deepest intercepts recorded to date. Notably, new vein sets have been discovered approximately 50 metres west of previously known mineralization, pushing the boundaries of the deposit beyond current exploration targets.

Exceptional High-Grade Intersections

The drilling campaign has returned multiple high-grade gold intersections, including a standout 0.5 metre intercept grading 164.3 grams per tonne gold equivalent (AuEq), which incorporates 96.8 g/t gold and 28.2% antimony (Sb). This confirms the presence of extremely rich zones within the Golden Dyke system. Additionally, a record antimony grade of 48.9% Sb was recorded over 0.3 metres, marking the third highest antimony result on the project and underscoring the deposit’s dual-commodity nature.

Continuity and New Discoveries

Strategic infill drilling has successfully closed a vertical gap of approximately 100 to 110 metres between previous holes, confirming the continuity of mineralization across the Golden Dyke system. This continuity is critical for advancing resource confidence. Moreover, the discovery of high-grade mineralization in previously unmodeled vein sets adds further upside potential. The system’s expansion westward and at depth suggests a robust and growing mineralized corridor.

Strategic Importance of Antimony

Antimony, a critical metal with rising demand in defense, semiconductor, and energy transition sectors, contributes approximately 20% of the in-situ value at Sunday Creek. The project’s high-grade antimony results come at a time of global supply constraints, notably due to Chinese export restrictions and geopolitical tensions. Southern Cross Gold’s position as a potential Western supplier of this critical metal enhances the strategic value of the Sunday Creek project beyond its gold content.

Accelerated Drilling and Future Outlook

To capitalize on these promising results, Southern Cross Gold has mobilized an additional rig, bringing the total to nine operating at Sunday Creek. The company plans to drill 60,000 metres through 2025, aiming to systematically test and expand the mineralized corridor. Metallurgical testing has demonstrated strong recoveries for both gold and antimony, reinforcing the project’s economic potential. With secure land tenure and a strategic commodity profile, Southern Cross Gold is well-positioned to advance Sunday Creek as a significant gold-antimony deposit in a tier-one jurisdiction.

Bottom Line?

As Southern Cross Gold accelerates drilling and expands high-grade zones, Sunday Creek’s dual-commodity potential could reshape its market valuation amid tightening antimony supply.

Questions in the middle?

  • How will ongoing drilling impact the upcoming resource estimate and classification?
  • What are the implications of antimony’s critical metal status on project financing and partnerships?
  • How might metallurgical complexities influence future processing strategies and costs?