Antipa Minerals Extends Tim’s Dome Gold Zone to 2.2km With Conductor Drill Test Underway
Key Takeaways
- Batch 4 assays from 13 RC holes (3,073m) have extended confirmed mineralisation at Tim's Dome to approximately 2.2km of strike, with peak intercepts including 30m at 0.5 g/t gold and 3m at 2.9 g/t gold.
- Diamond core drilling from surface has commenced to directly test a 1.2km-long AEM conductor sitting 270m–340m below surface — the most significant untested target in the programme.
- Consistent pathfinder anomalism (lead, arsenic, bismuth, antimony) identified immediately above and adjacent to the conductor across all four result batches supports the case for a deeper mineralised system.
- Tim's Dome sits 11km from Greatland Resources' Telfer mine (8Moz gold, 370kt copper), and Antipa's geological interpretation suggests the AEM conductor may represent a Telfer-style bedding-parallel reef system.
- The Phase 1 CY2026 programme is 98% complete by hole count (314 of 321 holes, 37,225m of 41,000m), fully funded from existing cash plus an A$180,000 WA Government EIS grant.
Batch 4 results extend Tim’s Dome mineralisation over 2.2km of strike
Antipa Minerals (ASX: AZY) has released its fourth batch of Phase 1 CY2026 assay results from Tim’s Dome at its 100%-owned, 4,500km² Minyari Gold-Copper Project in WA’s Paterson Province. The 13 RC holes for 3,073m have materially extended the mineralised footprint, and diamond core drilling from surface has now commenced to directly test a large, untested airborne electromagnetic (AEM) conductor.
What the numbers say
- Mineralisation now confirmed across approximately 2.2km of strike at Tim’s Dome
- Maximum 1m grades: 8.11 g/t gold, 0.65% copper, 0.54% lead, 2.08 g/t silver
- 13 RC holes for 3,073m completed in Batch 4
- Six holes tested the area immediately above and adjacent to the AEM conductor
Notable Batch 4 intersections include:
- 30m at 0.5 g/t gold from 180m in 26XTDC0068, including 3m at 1.7 g/t gold from 189m and 1m at 3.5 g/t gold from 202m
- 3m at 2.9 g/t gold from 16m in 26XTDC0072, including 1m at 8.1 g/t gold from 17m
- 20m at 0.5 g/t gold from 36m in 26XTDC0074, including 1m at 6.5 g/t gold from 53m
- 26m at 0.4 g/t gold and 0.23% copper from 214m in 26XTDC0078, including 7m at 1.2 g/t gold and 0.28% copper from 233m
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The untested conductor: why this target matters
An airborne electromagnetic (AEM) survey detects variations in the electrical conductivity of subsurface rocks. A strong conductor — a zone that carries electrical current readily — can indicate the presence of sulphide minerals, which are commonly associated with gold and copper deposits. The conductor at Tim’s Dome is not a resource; it is an untested geophysical target that Antipa believes warrants direct drill testing based on the geological evidence surrounding it.
This specific conductor is approximately 1.2km long, between 200m and 470m wide, sits broadly parallel to bedding, and has its upper surface interpreted at approximately 270m to 340m below surface. It has not been tested by drilling to date.
What makes the target compelling is the consistent pattern building across all four result batches. Mineralisation and pathfinder anomalism — including elevated lead, arsenic, bismuth, and antimony — has been repeatedly identified immediately above and adjacent to the conductor. The presence of lead and associated pathfinder elements forms part of Antipa’s interpretation of a broader intrusion-related mineral system, which, together with the geological setting and the underlying conductor, supports further direct testing of the target.
The geological context adds further weight to the case. Tim’s Dome sits on the northwest strike continuation of the Telfer domal fold structure, 11km from Greatland Resources’ Telfer gold-copper-silver mine. The Telfer deposit contains 8Moz gold and 370kt copper and is hosted in bedding-parallel reef systems developed along a similar domal fold structure. Antipa’s interpretation is that the AEM conductor at Tim’s Dome may represent a Telfer-style reef system — though Tim’s Dome’s current resource stands at 110koz gold, and the conductor remains undrilled. The geological analogy suggests the structural setting is favourable; the drilling will determine whether mineralisation exists at depth.
Attempts to test the conductor by extending two RC holes with diamond tails were unsuccessful, which is why diamond core drilling from surface has now commenced.
Roger Mason, Managing Director
“[…] We continue to see mineralisation and strong pathfinder anomalism immediately above and adjacent to the large AEM conductor. That conductor remains the key target and, after attempting to extend the RC holes with diamond tails, we have now begun diamond core drilling from surface to test it directly. We are very keen to understand what sits within that target zone and whether the mineralisation we have identified around it forms part of a larger Telfer-style reef system. […]”
Programme progress: 314 holes and still drilling
The Phase 1 CY2026 programme is scheduled to comprise 321 holes for 41,000m, incorporating air core, RC, and diamond core drilling. To date, 314 holes for 37,225m have been completed. Two rigs remain active at Tim’s Dome and Minyari Dome, with the air core rig demobilised early September. The programme is fully funded from Antipa’s existing cash balance, supplemented by a WA Government A$180,000 Exploration Incentive Scheme (EIS) grant co-funding diamond core drilling at Tim’s Dome.
| Drill Type | Holes Completed | Metres Completed | Status |
|---|---|---|---|
| RC | 102 | 20,806m | Ongoing |
| Air Core | 208 | 14,244m | Complete |
| Diamond Core | 4 | 2,175m | Ongoing (fourth hole in progress) |
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Next steps and what investors should watch for
Near-term activities for the programme include:
- Diamond core drilling continues at Tim’s Dome to directly test the 1.2km AEM conductor
- RC drilling continues at Minyari Dome for both discovery and resource growth objectives
- Follow-up RC drilling at AL01 under design
- Future diamond core drilling planned at Mollie
- Further assay results from current drilling to be released in batches as available
For context, Tim’s Dome sits within a much larger project. The Minyari Project is 100%-owned by Antipa and carries a total resource of 2.9Moz gold. The Pre-Feasibility Study underway covers the Minyari Dome standalone development opportunity, which hosts a 2.5Moz gold resource. Tim’s Dome itself currently holds 110koz gold, with the AEM conductor representing the most significant near-term test of whether that number can grow substantially.
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