Kaiser Reef Validates Extensive Gold Targets at Maldon with New Infill Soil Survey Data

7 min read | July 28, 2026 09:15 AM AEST | By Aakashdeep

Kaiser Reef Limited (ASX:KAU), a leading Australian gold producer operating in Tasmania and Victoria, has released infill soil survey results from its Maldon Gold Project confirming extensive, continuous gold-arsenic anomalies across multiple north-south structures covering the entire 4.4-kilometre strike of its granted mining lease. Highlights include a peak soil sample grading 2.7 grams per tonne gold and four additional samples exceeding 1 gram per tonne, advancing Maldon's district-scale exploration potential and establishing a robust pipeline of drill targets ahead of a planned airborne magnetic survey in early August.

Key Highlights

  • Kaiser Reef Limited (ASX:KAU) is a profitable, multi-asset Australian gold producer operating the Henty Gold Mine in Tasmania and progressing the Maldon Gold Project in Victoria.
  • Infill soil sampling over 2.7 square kilometres north of Maldon confirms strong, continuous gold and arsenic anomalies aligned with multiple north-south structural trends.
  • Peak soil assay of 2.7 g/t gold with four additional samples at or above 1 g/t; anomalism extends up to 1.5 kilometres, reinforcing prospectivity along the full 4.4-kilometre strike within the granted lease.
  • A close-spaced helicopter-borne airborne magnetic survey is scheduled for early August to refine drill targets; four principal anomalous trends identified: Cumberland, North of England, Sailors, and Ivy.

Infill Soil Survey Highlights Multiple Gold-Bearing Structures at Maldon

Kaiser Reef’s recent infill soil sampling at the Maldon Gold Project has confirmed the district-scale exploration potential by covering approximately 2.7 square kilometres of prospective tenure north of Maldon, an area previously lacking surface sampling data. This detailed sampling has enhanced geological understanding by delineating continuous gold and arsenic anomalism along several north-south structures correlating with historic workings.

Four distinct north-south anomalous trends—Cumberland, North of England, Sailors, and Ivy—have been identified. The first three trends exhibit strong gold values ranging from 150 to 250 parts per billion, while the Ivy trend maintains consistent values near 100 parts per billion. These trends extend between roughly 150 metres and 1 kilometre in strike length, with additional smaller anomalies also detected. Arsenic, a key pathfinder element for gold, aligns closely with gold anomalies, enhancing the effectiveness of geochemical mapping for exploration targeting.

Outstanding Soil Sample Results and Extended Anomalism Define Drill-Ready Prospects

The infill soil program produced standout results, including a peak gold assay of 2.7 grams per tonne and four other samples exceeding 1 gram per tonne. These significant early-stage exploration findings suggest substantial gold mineralisation beneath the survey area. The anomalous zone now extends up to 1.5 kilometres along strike, reinforcing the prospectivity across the entire 4.4-kilometre strike length of the granted mining lease.

This extensive strike length offers Kaiser a broad scope for early-stage exploration to rapidly generate and prioritise drill targets. The 40-by-40-metre grid sampling approach has transitioned Maldon from reconnaissance to a more mature exploration phase, reducing risk and enabling a focused pipeline of drilling opportunities.

Upcoming Airborne Magnetic Survey to Enhance Drill Targeting

Kaiser Reef plans a close-spaced helicopter-borne airborne magnetic survey in the first week of August 2026, advancing its integrated exploration strategy at Maldon. This geophysical survey will complement existing soil geochemical data, aiding in the identification of cross-cutting structures intersecting the multiple north-south reefs. Managing Director Brad Valiukas emphasized that detecting these cross structures is a key objective to refine drill targets.

Combining airborne magnetic data with soil survey results will enable Kaiser to more precisely define drill target locations and geometries before drilling. This cost-effective, methodical approach maximizes geological certainty and prioritizes drilling in the most prospective zones. The survey may also uncover hidden mineralised structures or extensions not evident from soil data alone.

Maldon’s Rich Mining History and District-Scale Gold Potential

The Maldon goldfield boasts a significant historical production record, having yielded approximately 1.75 million ounces of gold at an average grade of 28 grams per tonne. This extensive mining heritage from multiple historic mines confirms the area’s genuine gold mineralisation. Despite this, Kaiser believes the property remains substantially underexplored, especially at depth and along strike extensions of known reef systems.

Managing Director Brad Valiukas highlighted the company’s commitment to unlocking Maldon’s potential after decades of exploration neglect. The infill soil results form part of a comprehensive program aimed at generating value across the project and advancing production expansion. The systematic infill sampling, combined with the forthcoming airborne magnetic survey and drill targeting, exemplifies a disciplined, risk-managed exploration approach leveraging historical mining evidence and new geochemical data.

Kaiser Reef’s Diversified Gold Production Platform

Kaiser Reef Limited operates as an established Australian gold producer with assets in Tasmania and Victoria. Its flagship producing asset is the Henty Gold Mine in Tasmania, an underground operation supported by an ore reserve of 199,000 ounces of gold and a conventional processing plant with a 300,000 tonnes per annum capacity. The mine targets approximately 30,000 ounces of annual production, with ongoing development and drilling focused on reserve growth and extending mine life.

The Maldon Gold Project, situated in Victoria’s Golden Triangle, offers strategic growth potential beyond Henty. Maldon features a fully permitted, operational 200,000-tonne-per-annum carbon-in-leach processing facility, existing underground access, and significant high-grade exploration upside. This dual-asset model provides Kaiser with immediate cash flow from Henty while advancing Maldon’s exploration and development pipeline. The company’s robust balance sheet positions it well to capitalize on market conditions and invest in targeted growth initiatives.

Favourable Gold Price Environment Supports Exploration Investment

Kaiser Reef’s announcement arrives amid a strong gold price environment, which has remained elevated in recent years. This backdrop supports gold exploration and project development, potentially making lower-grade targets and higher-cost operations economically viable. Managing Director Brad Valiukas noted that Kaiser is well-positioned to leverage the robust gold price and enhance asset value through focused investment.

The positive market conditions have enabled Kaiser to pursue a comprehensive exploration and development program at Maldon, including the completed infill soil survey and upcoming airborne magnetic survey. As a profitable gold producer with a strong balance sheet, Kaiser has the financial capacity to execute systematic exploration aimed at defining and testing drill targets, potentially unlocking additional mineral resources to support future production growth.

Maldon’s Processing Infrastructure and Operational Advantages

The Maldon Gold Project benefits from significant existing infrastructure, including a fully permitted and operational 200,000-tonne-per-annum carbon-in-leach processing plant. The project also has established underground access, providing both surface and subsurface exploration and development capabilities. This infrastructure reduces risk by enabling a smoother transition from exploration success to production without substantial new capital expenditure.

Historical underground workings and mining infrastructure attest to Maldon’s long mining history and mineralisation at depth. Ongoing development activities, such as the Union Hill Decline refurbishment, demonstrate Kaiser’s commitment to operational readiness and production preparation. This infrastructure advantage differentiates Maldon from greenfield projects and may accelerate timelines from exploration to production decisions.

Exploration Methodology and Rigorous Sampling at Maldon North

Kaiser Reef’s infill soil sampling employed strict protocols to ensure data quality and geological relevance. Samples were collected from in-situ soil profiles on ridges and slopes, avoiding river courses, alluvial deposits, transported materials, and disturbed areas from historic workings. Where necessary, sampling locations were relocated to ensure genuine geochemical signatures reflecting local mineralisation.

The 40-by-40-metre grid sampling over 2.7 square kilometres north of Maldon provides consistent data density for spatial and geostatistical analysis. Integrating this soil geochemical data with the forthcoming airborne magnetic survey forms a multi-method exploration strategy combining surface geochemistry and subsurface structural information to identify optimal drilling targets.

Next Steps: Airborne Magnetic Survey and Drilling Program Advancement

Kaiser Reef’s immediate next step is conducting the scheduled helicopter-borne airborne magnetic survey in early August 2026. This geophysical survey will supply structural and lithological data to refine drill targets in combination with soil survey results. Following data integration, Kaiser plans to prioritise and commence drilling on the most prospective targets identified through this integrated approach.

The company has indicated that drill targets are already being prioritized and permitted, with regulatory approvals underway or near completion. This preparation facilitates an efficient transition from targeting to drilling once airborne magnetic data is acquired and interpreted. The staged progression through soil sampling, airborne magnetic surveying, and drilling reduces exploration risk and builds confidence in target selection before capital deployment.


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