New Frontier Identifies 679m Untested Copper-Nickel Conductor 40km From BHP-Backed C2
New Frontier identifies untested bedrock conductor 240m below surface at Harts Range
New Frontier Minerals has reported that independent modelling by Southern Geoscience Consultants (SGC) has defined a bedrock conductor within the company’s 100%-owned EL 34147, part of the Harts Range Project in the Northern Territory. The conductor is prospective for copper-nickel mineralisation and represents a new high-priority exploration target. Significantly, it was generated at no data acquisition cost using Geoscience Australia’s publicly available AusAEM dataset. The conductor remains untested—no ground electromagnetic survey or drilling has been completed over it.
Key target parameters:
- Depth to top: approximately 240m below surface
- Strike length: 679m, oriented north-northwest
- Located 3.5km south of the Kings Cross magnetic anomaly, where drilling has already been approved
- Sits within 40km of Litchfield Minerals’ (ASX: LMS) BHP Xplor-backed C2 conductor
- Tenement: 100%-owned EL 34147
For investors, the announcement represents low-cost optionality. The target emerged from free, publicly available data, and its proximity to a district-scale system currently being redefined adds strategic context without requiring capital outlay.
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Why proximity to the BHP Xplor-backed C2 conductor matters
Litchfield Minerals (ASX: LMS) reported in June 2026 the results of BHP Xplor-backed research that reframed the Harts Range belt as an emerging copper-nickel-PGE province. The research centred on C2—a strong deep conductor interpreted at approximately 10km depth directly beneath the Blackadder-Baldrick nickel-copper-PGE prospects. That work established a direct link between deep conductive architecture and known sulphide mineralisation.
Critically, the research concluded that conductors of this style are not resolved in coarser regional datasets, meaning further conductors may remain undetected across the belt, including in previously explored ground. SGC places the New Frontier conductor within 40km of the C2 feature.
It is important to note that the Litchfield work relates to tenure in which New Frontier holds no interest. The research provides regional geological context only and is not a direct read-through to New Frontier’s resources or prospects. However, it does establish that the broader Harts Range belt has the key geological ingredients required to host large copper-nickel sulphide systems: deep mantle-derived structures, repeated magmatic events, and established copper and nickel sulphide mineralisation along major crustal-scale pathways.
Gerrard Hall, Chairman
“The Southern Geoscience AusAEM assessment provides further independent support for the emerging exploration potential of our Harts Range Project. The identification of a bedrock conductor at depth, interpreted from airborne electromagnetic modelling, is particularly encouraging given its proximity to the recently announced BHP Xplor-backed Litchfield Minerals C2 conductor. While this is an early-stage geophysical target, the results reinforce our view that Harts Range has the potential to host a much broader mineral system than previously recognised. Importantly, the study demonstrates that airborne electromagnetic data can successfully identify concealed bedrock conductors within the belt, providing New Frontier with an effective tool to prioritise future exploration.”
What an AEM bedrock conductor actually tells investors
Airborne electromagnetic (AEM) surveying is an aircraft-flown geophysical method that detects conductive ground at depth. A transmitted primary field induces eddy currents in conductive material, and the decaying secondary field is measured across a series of time gates to infer the conductivity structure of the subsurface.
A “conductor” refers to a zone of relatively high electrical conductivity, which can be prospective for sulphide mineralisation. Sulphide minerals—particularly those hosting nickel, copper, and cobalt—conduct electricity efficiently, making them detectable by electromagnetic methods. However, conductivity is non-unique. Graphite, saline groundwater, clay-rich weathering profiles, and carbonaceous or otherwise conductive sedimentary units can all produce a similar response.
In this case, SGC’s modelling indicates a relatively low conductance of 5.6 siemens—well below the range typically associated with well-connected massive sulphide accumulations. That does not rule out disseminated or lower-grade sulphide mineralisation, but it does mean the target requires follow-up work to confirm its source and discriminate between bedrock sulphides and near-surface or barren conductors.
The modelled depth to top of approximately 240m is the basis on which SGC interprets a bedrock source rather than shallow cover or palaeochannel conductivity. However, the conductor is defined by a single AEM flight line; there is no adjacent line coverage, and the extent and geometry in the across-line direction are therefore unconstrained. Ground-based electromagnetic surveying will be required to confirm the presence, position, geometry, and conductance of the source before it can be regarded as a drill target.
| Parameter | Modelled Value | What It Indicates | Status |
|---|---|---|---|
| Depth to top | ~240m | Interpreted bedrock source | Untested |
| Strike length | 679m | Model-derived, single line only | Unconstrained across-line |
| Conductance | 5.6 siemens | Below massive sulphide range | Requires ground follow-up |
| Data source | AusAEM (Geoscience Australia) | Zero acquisition cost | Publicly available |
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Next steps and how this fits the broader Harts Range programme
New Frontier’s forthcoming Harts Range work programme includes the following staged activities:
- Review of existing magnetic, radiometric, and geological datasets across southern EL 34147 to identify coincident structure, lithology, and magnetic response
- Reconnaissance mapping and rock chip sampling along the projected surface position of the conductor
The proximity of the conductor to Kings Cross—where drilling approval has already been received—raises the possibility of a single combined field programme. However, any drill testing of the conductor is subject to ground geophysics results and to heritage, access, and approvals being in place. No drill testing is currently scheduled.
For investors, the approach represents cost-effective, staged de-risking. Near-term newsflow catalysts include ground electromagnetic results and the commencement of Kings Cross drilling. The company is building a low-cost pipeline of targets in a region being redefined as district-scale, while advancing its approved drilling programme without requiring significant capital outlay.
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