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Investigator Resources Limited (ASX:IVR) which is in the business of metals exploration in the southern Gawler Craton of South Australia, focuses on gold, silver and copper discovery. The companyâs projects include Maslins IOCG Project, Peterlumbo Project, Paris Silver Project and Eyre Peninsula Project.
On 6th March 2019, the company has released some of the major updates regarding its 100% owned Maslins iron oxide copper gold (IOCG) target in the Olympic Dam belt of the Stuart Shelf. Â
The companyâs CEO Andrew McIlwain said the exciting Maslins IOCG target could be better defined by the company after the release of MT survey data by Geoscience Australia of the additional Olympic Domain (Magneto-Telluric) in late 2018.
The company has also improved its understanding of the anomaly after the completion of both the interpretation and modelling of gravity, magnetic and MT geophysical data which consequently led to the improved targeting of proposed drilling.
In order to add more understanding of the potential mineralisation in the additional area to the north and centre of the Maslins IOCG target, the company is in the process of completing an infill gravity survey.
After analysing all the associated risks and costs with drilling deep IOCG targets, the company has again started the search for the appropriate joint venture partner to collaborate with them to advance this project.
Geophysical Data and Interpretation
After the release of the Olympic Domain MT survey data in December 2018 (the survey conducted by additional infill stations funded by Investigator Resources and Geoscience Australia), a contract was assigned to an independent geophysical consultant to provide QA/QC data interrogation, interpretation and modelling of the MT data package. The MT data indicated a complex geoelectrical regime, requiring 3Dimensional (3D) inversion to provide reliable results.
To independently review, reassess and verify the previous gravity and magnetic modelling, the company engaged a geophysical consultant. This also included the focus on assessing the gravity target in relation to known magnetic bodies in the region. This magnetic modelling included the data from the recently released Geological Survey of South Australia Gawler Craton Airborne Survey. The interpreted locations of Gairdner dykes that pervade the magnetic data, has been improved significantly due to this detailed data which has helped in previously identified anomalies to be modelled at a greater level of confidence.
The company has concluded that the Maslins target is not related to the Gairdner dykes themselves but is a valid magnetic and gravity target in its own right. This conclusion was arrived at after Comprehensive modelling of the gravity and magnetic data using a variety of scenarios.
Conclusion
The company is all set for drilling of the Maslins geophysical anomaly in 2019. The scale of the Maslins anomaly and scope of the geological potential is very large. The current programme and the planned infill gravity survey is perfectly aligned with the reduction of the geological risk in this endeavour and the definition of optimal sites to drill-test the inferred IOCG target.
As of 6th March 2019, The stock traded 9.09% lower at A$0.010 compared the previous closing of A$0.011 and is trading very close to its 52-week low of A$0.009. The stock has offered a negative YTD return of 26.7% as on 5 March 2019.
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