Iltani Resources Limited’s VTEM Survey Uncovers Expanded Silver–Indium Targets at Herberton Project, Paving the Way for High-Grade Drilling Prospects
Thursday, June 26, 2025
at
9:28 am
Iltani Resources Limited reports promising VTEM survey results at its Herberton Project in Queensland. Strong electromagnetic responses hint at expanded mineralisation of Australia’s largest silver-indium deposit, with drill-testing planned for mid-July. Supported by government funding, this breakthrough could significantly enhance asset value and attract emerging traders.
Iltani Resources Limited has announced encouraging preliminary results from its recent helicopter-borne VTEM (Versatile Time Domain Electromagnetic) survey conducted at its Herberton Project in northern Queensland. The survey, which received government support of up to AU$230,375 through the Collaborative Exploration Initiative, focused on the Orient silver‐indium project—the largest known silver-indium deposit in Australia—and the surrounding Boonmoo Sag Caldera Complex. The VTEM survey design included approximately 520 line kilometers flown at varying spacings, with additional infill lines improving resolution over key targets.
Early data processing by consultant Mitre Geophysics has identified multiple strong electromagnetic responses across the survey area. In the Orient Project area, laterally extensive VTEM anomalies striking in a NE/SW direction suggest that both the Orient East and West zones are more extensive than previously delineated. Additional anomalies to the south of Orient West point to the potential of parallel mineralized structures, while robust signals recorded at Deadman Creek indicate the possibility of sulphide mineralisation. These initial technical indicators, such as good signal decay shapes and repeated anomaly detection on several lines, have spurred the company to begin detailed modelling to rank the high-priority targets and prepare for drill-testing, which is anticipated to commence in mid to late July.
The company outlined a clear strategy moving forward. With modelling underway in the Orient area, Iltani plans to temporarily pause its ongoing Orient East infill drilling program and then redirect its drill rig to target the newly identified VTEM anomalies. Field visits will also be conducted, particularly at Deadman Creek and other anomalous areas, to carry out geological mapping and sampling. This structured approach is aimed at confirming the cause of the anomalies and prioritising targets for subsequent drill tests that could potentially convert the exploration targets into a JORC Resource.
From a bullish perspective, the technical indicators from the VTEM survey are highly promising, offering the potential for significant expansion of the Orient mineralisation and new discovery opportunities across the broader Herberton tenement package. The strong EM responses, combined with previous drilling successes and government funding support, provide positive momentum for Iltani's exploration strategy.
Conversely, on the bearish side, the preliminary nature of the survey results means that further detailed modelling and field verification are required to confirm the mineralisation. The temporary delay in the ongoing drilling program and the inherent uncertainties in early-stage exploration could weigh on short-term sentiment, emphasizing the need for cautious optimism as the company works to validate its targets.
Overall, the new VTEM survey results underline Iltani’s commitment to advancing its high-priority drill-ready targets while leveraging advanced geophysical techniques to unlock the potential of Australia’s largest silver-indium discovery.