Yandal Resources Uncovers Shallow Oxide Gold Outside Flushing Meadows Deposit

Yandal Resources Uncovers Shallow Oxide Gold Beyond the Known Deposit at Flushing Meadows

Yandal Resources (ASX: YRL) has reported assay results from all eight RC pre-collar holes completed at the Flushing Meadows deposit within its 100%-owned Ironstone Well-Barwidgee (IWB) Gold Project in Western Australia. The results are generating genuine exploration excitement—particularly one hole that has returned the first evidence of mineralised structures sitting entirely outside the footprint of the current 268,000-ounce Mineral Resource Estimate (MRE).

With seven of eight deeper diamond holes now completed beneath the existing MRE, and the first diamond assay results imminent, Yandal Resources Flushing Meadows shallow oxide gold discovery outside the known deposit is approaching a series of near-term catalysts that could materially reshape the scale of this deposit.

The Headline Result: New Ground, New Gold

The standout intercept from this programme is hole 26IWBRC0098DA, which returned:

• 20m @ 1.7g/t Au from 55m (Estimated True Width: 18m)
  • Including 1m @ 3.5g/t Au from 55m
  • Including 9m @ 2.7g/t Au from 64m

• 5m @ 0.8g/t Au from 113m (ETW: 4m)
  • Including 1m @ 3.0g/t Au from 115m

What makes this result particularly significant is where it sits—outside the current Flushing Meadows MRE boundary, to the east (hanging wall) of the known deposit. This is not a result from within a known resource. It represents a first-pass indicator of mineralisation in ground that has not been systematically tested before.

Approximately 200m to the north-northwest, hole 26IWBRC0099D added further context, returning:

• 2m @ 3.3g/t Au from 4m
  • Including 1m @ 5.8g/t Au from 6m

Taken together, these two holes—spaced 200m apart along strike—suggest the potential for a parallel mineralised corridor running alongside the known deposit. Critically, the intercept from 26IWBRC0098DA is interpreted to remain open to the south and at depth, meaning the footprint of this newly identified zone has yet to be fully defined.

Summary of Significant RC Pre-Collar Intercepts

All intercepts are reported as down-hole lengths. ETW = Estimated True Width.

Managing Director Chris Oorschot commented: "The result from 26IWBRC0098DA provides the first evidence of additional mineralised structures outside of the footprint of the current Flushing Meadows deposit. The shallow, broad nature of the oxide intercept demonstrates the potential for further exploration to build on the 268koz Mineral Resource. With seven of the eight diamond holes completed, we are looking forward to the result from the first diamond hole 26IWBRC0095D."

Understanding RC Pre-Collars: What They Are and Why They Matter

For investors less familiar with exploration drilling terminology, it is worth understanding what an RC pre-collar is and the role it plays in the broader programme.

What Is an RC Pre-Collar?

RC stands for Reverse Circulation drilling—a cost-effective method where compressed air forces drill chips back up through the drill rods to the surface, where they are collected and sampled. A "pre-collar" is the upper portion of a drill hole completed using RC drilling before the rig transitions to diamond core drilling for the deeper portion of the hole.

Why Use Pre-Collars?

The near-surface oxide zone at Flushing Meadows sits above harder fresh rock. RC drilling efficiently samples this shallower, softer material. Furthermore, once the drill hits fresh rock—which requires more precise, intact core for geological analysis—the hole transitions to diamond drilling.

Why Does This Matter to Investors?

Pre-collar results are often viewed as a "bonus" by exploration companies because they provide shallow assay data at relatively low cost. The fact that 26IWBRC0098DA has returned a 20m oxide intercept outside the known resource while simply preparing for a deeper diamond hole demonstrates that the Yandal Resources Flushing Meadows shallow oxide gold discovery outside the known deposit is uncovering new gold before the main programme has even delivered its primary results.

Glossary of Key Terms

The Diamond Drilling Programme: Bigger Results Still to Come

While the RC pre-collar results are encouraging in their own right, the primary purpose of this drilling campaign is to test what lies beneath the existing 268,000-ounce MRE. The framework diamond drilling programme was designed with three core objectives:

1. Complete the first systematic test of primary fresh rock mineralisation across the Flushing Meadows deposit
2. Assess the potential for high-grade mineralisation within fresh rock
3. Identify structural and stratigraphic controls on mineralisation to build a preliminary geological model

Programme Status as of 15 June 2026

The first diamond hole, 26IWBRC0095D, has already shown geologically compelling signs. Logging of this hole identified multiple parallel structures in both the hanging wall and footwall of the targeted Flushing Meadows mineralised trend—a finding that adds credence to the idea that the known deposit may represent just one strand of a broader mineralised system.

A Deposit With Room to Grow: The Flushing Meadows MRE in Context

The current Flushing Meadows MRE stands at 268,000 ounces at 1.1g/t Au, forming the centrepiece of Yandal's 370km² IWB Gold Project tenure. The deposit strikes for over 1.9km at surface, yet much of the surrounding ground and the zone directly below the MRE remains effectively untested.

Flushing Meadows MRE Breakdown

The resource is reported above a 0.5g/t Au lower cut-off grade. Importantly, the current MRE is based on historical and shallow drilling—the systematic fresh-rock test now underway via diamond drilling has never been completed before at this scale.

The identification of new oxide mineralisation to the east of the known deposit, combined with the detection of parallel structures at depth in the diamond core, suggests both lateral and vertical expansion potential. In addition, the open nature of the newly identified zone to the south reinforces the case for follow-up drilling.

Exploration Across the IWB Project: Multiple Fronts Active Simultaneously

Flushing Meadows is only one of several active exploration fronts across Yandal's IWB Gold Project. However, the company is running one of its most active drilling schedules to date, with near-term catalysts expected across multiple targets.

Planned Drilling Programmes to September 2026

Near-Term Catalysts by Target Area

Flushing Meadows near-term milestones include:

• First diamond hole assay results (26IWBRC0095D) expected imminently
• Remaining seven diamond hole results anticipated through July 2026
• Follow-up RC drilling targeting the newly identified parallel mineralisation zone scheduled for late June or early July
• Air-core drilling underway across the broader Flushing Meadows and Giedi Prime target area, with first results expected late July

Arrakis Discovery near-term milestones include:

• Assay results from RC drilling targeting the southeast extension of the Arrakis structure
• First diamond drill assay results designed to test depth continuity of higher-grade mineralisation

New England Granite (Salusa & Siona Prospects) near-term milestones include:

• Re-commencement of drilling at Salusa, which previously returned a high-grade intercept of 6m @ 6.3g/t Au from 36m, including 2m @ 18.2g/t from 36m
• Assay results from the Siona oxide RC programme anticipated in coming weeks
• Further air-core drilling pending final heritage clearance

Why Archaean Orogenic Gold Deposits Matter

Archaean Orogenic gold represents one of the most significant sources of gold production globally. These deposits formed during periods of mountain-building events between 2.5 and 3.8 billion years ago, when the Earth's crust underwent intense compression and deformation.

Key characteristics include:

• Gold distribution: Typically occurs in quartz veins and associated alteration zones within shear structures
• Grade patterns: Can exhibit high-grade shoots within broader lower-grade mineralised zones
• Depth continuity: Often extends to significant depths, providing long mine lives
• Processing advantages: Oxide zones near surface are typically amenable to conventional processing methods

The Yandal Resources Flushing Meadows shallow oxide gold discovery outside the known deposit fits this geological model precisely. Western Australia hosts numerous world-class examples of this deposit type, including the Super Pit at Kalgoorlie (over 60 million ounces produced), Jundee (over 7 million ounces), and Bronzewing (over 3 million ounces). The geological setting at Flushing Meadows shares key characteristics with these successful operations.

The Investment Case: Why This Update Matters

Yandal's Flushing Meadows update is not routine drill-hole reporting. It represents a genuinely new development—the first indication that mineralised structures exist outside the known deposit boundary—emerging from a programme specifically designed to test ground that has never been systematically drilled. Several factors underpin the investment case:

1. Resource growth potential is demonstrably real — The RC pre-collar from 26IWBRC0098DA sits outside the current MRE and is open to the south and at depth. Parallel mineralisation confirmed 200m to the north in 26IWBRC0099D supports the interpretation of a continuous corridor.

2. The primary diamond programme is yet to deliver — With seven diamond holes completed and the first assays pending, the most anticipated results of this campaign are still to come. The programme targets fresh rock approximately 100m below the base of the current oxide-dominated MRE.

3. Multiple structures identified at depth — Logging of diamond hole 26IWBRC0095D confirmed multiple parallel structures in both the hanging wall and footwall of the known mineralised trend, raising the prospect of a mineralised system considerably wider than the current 268,000-ounce estimate.

4. Broad project-level activity provides multiple near-term newsflow opportunities — Across Arrakis, Flushing Meadows, Salusa, and Siona, Yandal has a dense schedule of assay results and drilling events expected between now and September 2026. The company maintains a strong cash position as it prosecutes this schedule.

5. Archaean Orogenic gold—a proven geological setting — The IWB project sits in the northern Yandal Greenstone Belt, between the Jundee and Bronzewing mines—two significant historical gold producers.

Key Takeaway: Yandal Resources (ASX: YRL) has identified the first mineralised structures outside the footprint of its 268,000-ounce Flushing Meadows deposit, while simultaneously advancing the deepest and most systematic diamond drilling campaign ever conducted beneath the resource. With fresh-rock assays from the first diamond hole imminent, follow-up RC drilling targeting newly identified parallel gold zones scheduled for late June or early July, and active programmes across multiple discovery-stage prospects, Yandal enters the second half of 2026 with one of the most active exploration catalyst schedules in its history.

Want to Be First When the Next Major ASX Gold Discovery Hits?

Discovery Alert's proprietary Discovery IQ model scans ASX announcements in real time, instantly identifying significant mineral discoveries like emerging oxide gold zones and resource expansions before the broader market catches on — explore how historic discoveries have delivered extraordinary returns on Discovery Alert's dedicated discoveries page, then begin your 14-day free trial to position yourself ahead of the next major find.