East Tennant Copper-Gold (SER 100%, Northern Territory)
In 2019, data acquired under Geoscience Australia’s $100m “Exploring for the Future” program revealed a lithospheric connection between the Tennant Creek and Mt Isa mineral fields. In particular, previously unrecognised major features favourable for hosting large mineral systems were seen in the East Tennant region. A moratorium on Exploration Licence Applications was placed over the region and a competitive tender process flooded with applications from exploration companies. SER won key ground in this process.
In 2020, SER conducted extensive and detailed ground gravity surveys over our ground and together with Arrow Geosciences (led by former Chief Geophysicist for Rio Tinto, Theo Aravanis) processed all available geophysical data, interpreted the results and generated Cu-Au targets. Since then, neighbouring Explorers have started to uncover secondary copper mineralisation in cover sequences providing further evidence of the prospectivity of the region.
In late 2020, the Mineral Exploration Cooperative Research Centre (MinEx CRC) completed a 10 hole, 4000m National Drilling Initiative (NDI) regional stratigraphic drilling campaign in the East Tenant region. The NDI drill holes were designed to test the potential of basement rocks in the region to host gold- and copper-rich mineral deposits similar to those in the Tennant Creek mineral field.
Dr Andrew Heap, Chief of the Minerals, Energy and Groundwater Division at Geoscience Australia said “Drilling has identified rocks of the right age to host mineralisation and has uncovered evidence for key mineralising processes, such as the presence of major structures, hydrothermal alteration, and base metal sulphides”. Ian Scrimgeour, Executive Director of the NT Geological Survey said “We expect the release of the first NDI drilling data to stimulate further industry interest in the Barkly region, which is rapidly emerging one of Australia’s most exciting exploration frontiers.”
East Tennant Cu-Au Project (4 tenements in blue) over Geoscience Australia IOCG Prospectivity with targets (yellow stars) and Cu mineralisation (green stars)
For further details regarding Geoscience Australia’s work at East Tennant see: https://www.ga.gov.au/eftf/minerals/fis/east-tennant