Augustus Minerals Records Highest-Grade Gold Result at Music Well

Augustus Minerals Drills Highest-Grade Gold Hit Yet at Music Well as Clifton East Model Sharpens

Augustus Minerals (ASX: AUG) has reported its highest gold assay to date from the Clifton East prospect at the Music Well Gold Project in Western Australia, with 19.5 g/t gold over 1 metre inside a broader interval of 8 metres at 3.27 g/t gold from 72 metres in hole MWRC0019. The June 2026 reverse circulation drilling program also confirmed wide zones of alteration and gold mineralisation across the prospect, while structural work from a recent diamond hole has pointed to a more targeted path for the next round of drilling.

For investors following early-stage ASX gold explorers, the update matters for two reasons. First, the grades reported are material in the context of a still-emerging prospect. Second, the company now says structural measurements suggest the higher-grade gold may sit in steep quartz veins that earlier drilling only partially intersected.

What Did the June Drilling Program Report?

In the announcement, Augustus said the second drilling program at Clifton East was completed in mid-June, with 11 RC holes for 1,650 metres. The work has now provided drill coverage across 400 metres of a broader 1.2-kilometre gold-in-soil anomaly, leaving a substantial portion of the target area still untested by drilling.

The reported results include both broader mineralised intervals at a 0.1 g/t gold cut-off and narrower higher-grade zones at a 1 g/t gold cut-off. That distinction is useful because it shows both the scale of the altered system and the presence of more concentrated gold zones within it.

Key Intersections from the June 2026 RC Program

The company also reported broader anomalous zones. These included intervals such as 23 metres at 0.19 g/t gold in MWRC0021, which point to a mineralised system of some width even where grades are lower.

Importantly, Augustus stated that all widths are downhole widths rather than true widths, as the exact geometry of the mineralisation is still being refined.

Mineralisation Style and What It May Mean

According to the drilling update, gold at Clifton East is associated with pervasive hematite, distal chlorite-epidote, and proximal silica-carbonate-pyrite alteration. In simpler terms, the host rocks have been chemically changed by mineral-rich fluids, and those changes can help geologists track the path of the gold system.

The announcement said this alteration and gold mineralisation has now been identified over 400 metres of strike, within the broader 1.2-kilometre soil anomaly. Elevated tellurium above 3 ppm was also reported alongside some altered zones. Tellurium is a trace element that can sometimes occur with gold and may help vector further drilling.

Furthermore, early-stage exploration is not only about isolated assays. Investors also watch for evidence of scale, consistency and a repeatable geological pattern. The Clifton East results appear to provide signs of all three, although considerably more drilling would be needed to assess the continuity and potential economic significance of the system.

"The June drilling confirmed that a significant alteration and gold mineralised system is present at Clifton East. The 19.5g/t single metre from 72m in MWRC0019 also illustrates the potential of the prospect to host higher grade veins. The dip and frequency of these veins within the broader mineralised zones will be tested with some new holes oriented to the northwest in the next few weeks." — Andrew Ford, General Manager Exploration

How Could the Structural Result from Diamond Drilling Shape the Next Phase?

The broader significance of the update may lie in the structural observations from diamond hole MWD0001, which was drilled to 201.7 metres down dip of an earlier hole.

In the report, Augustus said structural measurements taken from oriented core indicate that the pyritic quartz veins most closely linked to higher grades appear to dip steeply towards the southeast. These veins are interpreted to be oblique to the broader alteration zones, which are now thought to dip to the north-northwest at about 40 degrees.

That interpretation is important because it suggests the earlier RC holes may have been designed mainly to cut across the larger alteration package, not necessarily to intersect the steeper high-grade veins at the best possible angle. If correct, this could explain why the drilling has identified broad lower-grade zones with localised high-grade spikes.

The company now plans to test this idea directly. A new RC program is expected to commence in two to three weeks, subject to site access after recent rain, with holes drilled towards the northwest to scissor the interpreted vein orientation.

For investors, this provides a clear near-term technical objective rather than a general follow-up campaign. The next program is intended to answer a specific geological question: are the best grades concentrated in steep, repeatable quartz veins within the broader altered corridor?

What Is a High-Grade Gold Shoot?

A high-grade gold shoot is a smaller part of a mineralised system where gold grades are much higher than the surrounding rock. In many gold deposits, mineralisation is not evenly spread. A broad zone may carry low to moderate gold values, while narrower veins or shoots contain the strongest grades.

At Clifton East, the wider alteration zone appears to mark the path of the mineral system. Within that larger package, Augustus is now targeting steeper quartz veins containing pyrite, because these are interpreted to be more closely linked to higher-grade gold.

Key Terms Worth Understanding

A few core terms from the report are worth clarifying:

• RC drilling: A fast and lower-cost drilling method that returns rock chips to surface for sampling.
• Diamond drilling: A slower method that produces solid core, allowing geologists to measure rock structures and vein angles more accurately.
• Alteration: Chemical changes in rock caused by hot fluids moving through it. Alteration can be a guide to mineralisation.
• Strike length: The horizontal distance that a geological feature extends across the ground.
• Pyritic quartz veins: Quartz veins that contain pyrite, an iron sulphide mineral often associated with gold systems.

Identifying the broader system is only one part of the story. Locating where the best grades are concentrated often determines whether a prospect can move from early encouragement to a more material discovery.

Geological Comparison with Golden Cities

The ASX announcement drew a geological comparison between Clifton East and the Golden Cities group of deposits, described by the company as a 1.4 million ounce granite-hosted Archaean gold system about 50 kilometres north of Kalgoorlie.

Augustus said both settings involve sanukitoid-type mafic granitoids, with the Geological Survey of Western Australia having identified sanukitoids at Music Well. The alteration sequence reported at Golden Cities — including distal epidote around a more proximal chlorite-altered zone with quartz sulphide veins — is described by the company as being similar to what has been intersected at Clifton East.

However, this comparison provides geological context rather than any indication of eventual scale. Even so, analogues can help investors understand why the company is prioritising certain drill orientations and mineralisation styles.

Music Well's Regional Setting and Project Scale

Music Well covers 1,242 km² and is located about 35 kilometres north of Leonora in the Leonora-Laverton Greenstone Belt of Western Australia. Augustus holds the project at 100% ownership through Music Well Gold Mines Pty Ltd, with thirteen granted exploration licences.

The company noted that the project sits near several operating gold mines in a district with more than 28 million ounces of historical gold endowment.

Nearby Gold Operations

Regional location does not determine project success, but it does provide useful context. Exploration in established gold districts can benefit from known mineral systems, existing services and a mature workforce base, even at an early-stage project.

Near-Term Catalysts from the Report

The announcement outlined several upcoming milestones, with Clifton East remaining the immediate focus and St Patrick's Well also set for first-pass drilling.

Expected Upcoming Milestones

St Patrick's Well adds another layer to the exploration pipeline. According to the announcement, rock chips from that prospect have previously returned assays of up to 30.4 g/t gold, and the next drilling program will include holes there.

This sequence creates a steady flow of project-level news over the coming weeks. For the market, that matters because the next data points should test both the structural model at Clifton East and the broader target inventory across Music Well.

Why Does the Update Matter for ASX Gold Investors?

Several parts of the announcement work together to strengthen the exploration case, within the limits of an early-stage program.

The first is grade. A peak result of 19.5 g/t gold over 1 metre, within 8 metres at 3.27 g/t gold, is a material outcome for a prospect still at a relatively early drilling stage.

The second is geological clarity. According to the report, structural information from diamond core has helped explain why high-grade results may be more localised and how future holes can test them more effectively.

The third is scale still to be tested. Only 400 metres of the 1.2-kilometre anomaly has drill coverage so far. In addition, multiple targets across the broader 1,242 km² land package remain in the pipeline.

The next phase will be important because it is designed around a more specific model rather than broad reconnaissance. If the northwest-oriented holes intersect more of the steep quartz veins associated with higher grades, the market may gain a better sense of whether Clifton East can develop beyond a broad anomalous zone into a more coherent high-grade target.

For now, the ASX update points to a prospect that is becoming better understood geologically, with fresh drilling and pending diamond assays likely to shape investor attention over the near term.

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