Pantoro sets timeline for third underground mine at Norseman
What happened
In November 2025, Pantoro announced hits of gold at Norseman’s Crown South and O’Brien’s Reef sites, indicating high-grade results that included 2. Currently, Pantoro is expecting first ore development during the December quarter of this year, with ore from O’Brien’s expected to deliver average diluted mill grades exceeding 6g/t over the life of the current mineral resource. This matters for Site Services & Facilities because fresh price movement and input-cost detail should reset bid assumptions, per-head pricing adjustments, and negotiation guardrails with 2025, 2.4, 43.19 as the clearest commercial anchors; expect scope change requests
Buyer takeaway
For Site Services & Facilities, treat this as a cost-boundary signal rather than just a headline; buyer assumptions may need refreshing before the next quote or award decision
Cost / money
Use this to refresh should-cost views and challenge any fast repricing. Keep the read-through directional unless the source itself provides hard commercial numbers
Supplier / commercial
Suppliers with fresh cost justification may push harder on reopeners, indexation, shorter quote validity, or pass-through language. Buyers should separate real drivers from negotiation posture
Safety / operations
The operational risk is indirect: tight budgets or repricing battles often reappear later as reduced slack, substitutions, or execution compromises that buyers then have to manage
What to watch
Watch for shorter quote validity, reopeners, pass-through requests, or attempts to reset pricing on the back of weak evidence
Key facts
- In November 2025, Pantoro announced hits of gold at Norseman’s Crown South and O’Brien’s Reef
- Currently, Pantoro is expecting first ore development during the December quarter of this yea
- Likewise, development of the Crown South ore zone is expected to commence in the March quarte
- The company said that a fifth underground drill rig is scheduled to arrive at Norseman in Apr
