Man with map at mine

New geoscience in the Barkly and Gulf regions

Unlocking the resource potential of the Barkly and Gulf regions through collaborative geoscience.

The Northern Territory Geological Survey (NTGS) is undertaking a range of collaborative geoscience programs designed to investigate the minerals and energy potential beneath the soils of the Barkly Tableland and into the Gulf region. This builds on major geoscience programs in the greater McArthur Basin that were undertaken under the CORE initiative.

Exploring for the Future

A major component of new geoscience information for the area is the co-investment in extensive new data acquisition with Geoscience Australia under the Commonwealth’s Exploring for the Future program designed to investigate the minerals and energy potential beneath the soils of the Barkly Tableland. New data acquisition includes gravity, magnetotelluric, reflection and passive seismic, geochemistry and hydrogeochemistry. Recently released data and information from the Exploring for the Future program can be found on the Geoscience Australia website.

A stratigraphic drilling program in the Barkly and Gulf regions through the Program 3 National Drilling Initiative under the MinEx CRC has been designed to test new concepts from data derived from the Exploring for the Future program. Drilling is planned to commence in 2020.

South Nicholson-Lawn Hill geoscience mapping

Geoscience mapping by NTGS of the outcropping geology in the Lawn Hill Platform, South Nicholson Basin utilising new seismic data acquired from Exploring for the Future program to integrate surface and subsurface geological relationships. The new 1: 250 000 scale outcrop maps will improve the understanding of the geological relationships with the resource rich McArthur Basin and Beetaloo Sub-basin.

Reinvigorating exploration in the Tennant Creek region

A suite of new programs has been designed to reinvigorate exploration in the Tennant Creek area (Warramunga Province) through integration of geoscience data to produce mineral atlases, 3D modelling and visualisation of the Tennant mineral field, and new data to improve understanding of the gold and base metal potential of the concealed Rover field.

A focus will be to deliver a physical and virtual repository of representative drill core from the Tennant and Rover mineral fields utilising the HyLoggerTM to provide spectral information on key drillcore. Recent NTGS data and publications from the Tennant Region can be found on the GEMIS website.