- Revolver Resources has made a noteworthy discovery of a novel VMS system in the district scale tenement package with the ‘Larramore Volcanic Belt’ in Dianne Project area.
- Revolver considers it to be a ground-breaking result providing the company with the clear evidence required to boost exploration work across the district-scale copper precinct.
- A Heli-EM survey at the site, done using the NRG “Xcite” system, detected numerous priority conductive anomalies across the region.
- According to the company, ‘combined with the outcomes of the initial studies into near term production at Dianne, these new discovery outcomes further reinforce the potential for Revolver to establish proximate “hub and spoke” operations’.
- The C3 target is based on the identification of a shallow electromagnetic conductor and has a response supporting the potential to reflect massive sulphide mineralisation.
Australian-listed copper exploration company Revolver Resources Holdings Limited (ASX:RRR) has made a prominent discovery of a novel VMS system in the district scale tenement package with a highly prospective but majorly underexplored ‘Larramore Volcanic Belt’, within the greater Dianne Project area in Hodgkinson Province of Queensland. The Dianne Project is one of the highest-grade operating copper mines in the world.
Revolver considers it to be a ground-breaking result providing the company with the clear evidence required to boost exploration work across the district-scale copper precinct.
Dianne Project tenure, main geological trends and VMS targets
Data source: Company update
Recording the progress so far…
No modern systematic exploration efforts have been undertaken at the greater Dianne region till date. Revolver had laid substantial groundwork throughout 2022, involving regional exploration, tenement acquisition, ground and airborne geophysics, surface mapping and extensive ground sampling and geochemical analysis.
The highlights from the above activities were returned in the 23LMDD001 results – over 260m of mineralisation, that included recurring copper mineralisation within the heavily altered host volcanic rocks together with the intersection of several VMS stockwork zones.
According to Revolver, combined with the outcomes of the initial studies into near term production at Dianne, these new discovery outcomes further reinforce the potential for Revolver to establish proximate “hub and spoke” operations as the company works to become Queensland’s next emerging copper producer.’
Valuable lessons from the initial Larramore drill hole
Revolver believes that the stratigraphy of the hole is positive enough to show the firm is in the right geological setting to host VMS systems.
Furthermore, to hit clear VMS stockwork mineralisation confirms that VMS systems were active in the belt, and reinforces the huge potential for major future discoveries in the belt further afield as the company systematically test numerous targets.
The VMS mineralization downhole parallel to the EM conductor confirms the initial EM-target and the broader exploration rationale of using EM response to narrow in on targets, indicating a potential series of clustered deposits along the trend.
Details of Heli-EM Survey
New Resolution Geophysics (NRG) Australia has commissioned a helicopter electromagnetic and magnetic data survey, while the NRG “XciteTM” system acquired the survey data.
With Heli-electromagnetics, Revolver could detect discrete bedrock conductors potentially associated with iron-sulphide dominated VHMS systems in the Larramore Belt. With the survey extent, the response from the VHMS system at Dianne can be directly compared and can be employed as a pathfinder of potential mineralisation.
Revolver believes the initial analysis of the preliminary data from the Heli-EM survey to be encouraging with modelling of the survey data identifying a number of ‘Late-Time’ conductivity anomalies. Total 16 high priority bedrock anomalies (C1-C16) have been interpreted to be consistent with an accumulation of sulphides and provide compelling shallow VHMS-style targets.
Diamond Drilling at C3 Anomaly
Intense VMS stockwork mineralisation in diamond drill hole 23LMDD001
The C3 target was identified based on detection of a shallow electromagnetic conductor. It has gained a response in support of the potential of massive sulphide mineralisation. The C3 EM Target has been drilled after completion of a diamond hole (23LMDD001) for 289 metres.
The lithological sequence intersected in 23LMDD001 corresponds to a broader regional assessment of the Larramore Volcanic Belt which concluded that the geological environment is conducive to Besshi-type Pelitic-Mafic volcanic-hosted sulphide (VMS) occurrences.
Data source: Company update
RRR shares were trading at AU$0.024 midday on 01 March 2023.