High-Grade Antimony Mineralisation Confirms Broader Opportunity at Azure Coast
Warriedar Resources has revealed significant antimony mineralisation at its Azure Coast deposit group, located approximately 4km south of the flagship Ricciardo deposit at its Golden Range Project in Western Australia. Trial re-assay testing of historical pulp samples has delivered high-grade antimony results, confirming that the company's substantial antimony opportunity extends well beyond its flagship Ricciardo gold deposit.
Key Results Highlight Extensive Antimony Potential
The trial re-assay program of pulp samples from 13 shallow historical RC drillholes has returned impressive results, including:
- 8m @ 1.73% Sb and 0.21g/t Au from 77m, including 1m @ 9.85% Sb and 0.4 g/t Au from 83m (STRC082)
- 6m @ 0.96% Sb and 0.1 g/t Au from 94m, including 3m @ 1.62% Sb and 0.1 g/t Au from 96m (STRC033, ending in mineralisation)
- 7m @ 0.71% Sb and 0.62 g/t Au from 102m, including 1m @ 2.08% Sb and 2.96 g/t Au from 103m (STRC087, ending in mineralisation)
These results, combined with previously reported high-grade antimony intervals from scout drilling last year (9m @ 1.93% Sb from 105m), confirm the presence of a high-grade, antimony-dominant zone at Azure Coast.
Notably, many of the re-assayed historical holes were too shallow to fully test the antimony-dominant zone, with some holes ending within mineralisation. This suggests the true extent of the Warriedar Resources antimony mineralisation findings remains unknown and open at depth and along strike, similar to what Hammer Metals discovered with their electromagnetic conductor targets.
"Once again, the assaying of historic pulps for antimony at Golden Range has delivered excellent preliminary news. This super low-cost technique previously allowed us to comprehend, and then quantify, the magnitude of the starting antimony opportunity at our flagship Ricciardo deposit – resulting in delineation of the largest open-pit antimony resource on a granted ML in Australia," said Warriedar Managing Director and CEO, Amanda Buckingham.
Understanding the Azure Coast Deposit Group
The Azure Coast is a group of historical pits including Monaco, Riviera, St Tropez and Sprite, extending across a slightly longer strike length of approximately 2.6km compared to the Ricciardo deposit. While historical mining operations at Azure Coast primarily focused on oxide material, the transition and primary sulphide gold mineralisation has not been systematically explored.
The geology and structural setting of Azure Coast is very similar to Ricciardo, controlled by the Mougooderra Shear and hosted within ultramafic units. However, unlike Ricciardo, which had several deep historical holes, Azure Coast has mostly been drilled to a maximum of 120m below surface, with only a handful of holes reaching 170m depth and no diamond drilling having occurred.
This limited historical drilling focused predominantly on gold, with only about 7% of all samples (5,770 out of 83,627) having been assayed for antimony. Given the success at Ricciardo, there is strong prospectivity for both gold and antimony at Azure Coast, much like Austin Metals' identification of new gold targets along strike from their high-grade discovery.
What Is Antimony and Why Does It Matter?
Antimony is recognised as a critical mineral by the EU, US, Japan, and Australia due to:
- High reliance on imports and risk of supply shortage
- Limited substitution options
- Essential function in manufacturing products key to regional economies and national security
Antimony has a wide range of applications across various industries due to its unique properties, including flame retardancy, alloying capability, and use in electronics and military applications.
According to the US Geological Survey, total global antimony production in 2023 was approximately 83,000 tonnes, with China producing about 48% of the total. China's recent export restrictions on antimony have caused prices to surge dramatically, rising from US$13,030.62/t in April 2024 to US$59,329.88/t by June 2025 for 99.65% antimony ingot (Rotterdam warehouse).
The Warriedar Resources antimony mineralisation findings at Azure Coast are particularly significant given this global supply context and price environment, creating opportunities similar to those seen with rare earth elements in other critical mineral projects.
Future Plans and Timeline
The company has scheduled further gold and antimony-focused drilling at Azure Coast for Q3 2025. Meanwhile, accelerated drilling continues at the flagship Ricciardo deposit, focusing on key extensional gold and antimony targets.
Given the success of this initial pulp re-assay program at Azure Coast, there is significant potential value in extending this low-cost technique across the broader deposit group. This approach previously delivered substantial results at Ricciardo, where over 60,000 tonnes of contained antimony was delineated in an initial Mineral Resource Estimate without a single antimony-dedicated drill hole from Warriedar.
Investment Perspective: Multiple Growth Pathways
Warriedar Resources presents a compelling investment case with multiple growth pathways:
-
Established Resource Base: The current Azure Coast Mineral Resource Estimate stands at 74,000 ounces of gold, while the flagship Ricciardo deposit boasts a substantial 2.0 million ounce gold equivalent Mineral Resource Estimate.
-
Critical Mineral Exposure: With antimony prices increasing over 350% since April 2024 due to Chinese export restrictions, the Warriedar Resources antimony mineralisation findings offer investors exposure to this critical mineral through Australia's largest open-pit antimony resource at Ricciardo.
-
Low-Cost Exploration Strategy: The company's approach of re-assaying historical pulp samples represents a low-cost method to potentially add significant value, as demonstrated by the success at Ricciardo where over 60,000 tonnes of contained antimony was identified without dedicated drilling.
-
Upside Potential: With only 286 holes of approximately 2,500 total holes at Azure Coast previously assayed for antimony, there remains substantial potential to identify additional antimony mineralisation across the deposit group.
-
Strong Financial Position: With approximately A$29 million in cash (including recent placement and SPP proceeds) and zero debt, Warriedar is well-funded to pursue its exploration and development plans, similar to how Vital Metals secured funding to advance their critical minerals project.
The Azure Coast results confirm that antimony mineralisation extends beyond the Ricciardo deposit, opening up the entire Golden Range belt for potential antimony discoveries. The upcoming drilling program in Q3 2025 will provide further insights into the true scale of this opportunity, making Warriedar a company to watch for investors seeking exposure to both gold and critical minerals.
Interested in Critical Minerals with Exceptional Growth Potential?
Discover how significant mineral discoveries like Warriedar's high-grade antimony findings can lead to substantial market returns by exploring Discovery Alert's dedicated discoveries page, where our proprietary Discovery IQ model delivers real-time alerts on ASX announcements to give you a market-leading advantage.
