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Highlights
- Surefire Resources has commenced a 5,500m RC drill program across key prospects, including Yidby, Fender, Marshall, and the Money Anomaly.
- Drilling at Yidby aims to extend known gold mineralisation and expand the resource footprint.
- High-priority targets at the Marshall and Fender prospects are scheduled for drill testing.
- The significant geochemical gold anomaly at the “Money” target will undergo its first round of drill testing.
- Upon completion of the RC drilling, diamond drilling will be conducted to extract bulk ore samples for advanced metallurgical testing in support of a planned Scoping Study.
- SRN shares jumped 33.3% to AUD 0.002 on 19 June 2025.
Surefire Resources NL (ASX:SRN) saw its share price surge by 33.3% to AUD 0.002 on 19 June 2025, following an update on the launch of a 5,500m RC drilling campaign at its Yidby Gold Project in Western Australia.
The 42-hole RC drilling program is strategically designed to expand the project’s resource footprint by targeting known mineralised zones within the Yidby Gold System - Fender, Marshall, and Yidby, and testing new areas such as the Money Anomaly, which is being drilled for the first time.
The company is also preparing for a diamond drilling program to extract bulk ore samples for metallurgical testing to support an upcoming Scoping Study, once the RC drilling program is completed.
High-Potential Targets: Fender, Marshall, and Money Anomaly
Previous drilling at the Fender, Yidby and Marshall prospects intersected broad widths and bonanza grades.
The Yidby Prospect lies within a northwesterly trending shear zone hosted in ultramafic rocks. The gold-bearing zone at Yidby now extends over 900m along strike and remains open both along strike and at depth. The Ccmpany believes there is potential for a larger gold system at depth.
The Fender prospect hosts broad continuous gold mineralisation linked to arsenopyrite along the margins of subvertical, north–south striking quartz-feldspathic porphyries. The mineralisation is open to the north and to the depth, with additional drilling planned to test newly identified northern extensions. Historical drilling (hole YBRC069) intersected thick mineralised intervals such as 20m @ 0.4g/t Au and 32m @ 0.32g/t Au.
Located about 150m west of the Yidby deposit, the Marshall prospect is parallel to a gold-bearing zone. Standout results include 60m @ 1.04g/t Au, with a high-grade intercept of 4m @ 10.40g/t Au. The zone remains open at along strike and at depth, with new drilling planned to the north.
Situated southeast of Yidby, the Money Anomaly is a first-time drill target. The area features a flexure along a magnetic break, interpreted as a potential dilation zone, coinciding with gold-in-soil anomalies.
Metallurgical Testwork to Support Scoping Study
From metallurgical test work to date, the company reported highly encouraging results that will feed into the upcoming Scoping Study. Gold recoveries between 97.6% and 99.5% were achieved using cyanide leaching, while gravity recovery ranged from 43.2% to 67.0%.
In VAT leach testing, a 66.3% gold recovery was achieved from coarse crushed material over a 69-day period with additional gold extraction continuing to leach beyond that time frame.
Notably, the metallurgical test work indicated a 68% increase in the gold content compared to original assay results, suggesting that coarse gold was significantly underreported in previous drilling. Further VAT leach and Screen Fire Assay tests are planned to validate and refine these results.
