East Tennant Project
The East Tennant project area sits within the Tennant Creek to Mount Isa focused integrated study area. It is located east of Tennant Creek and is defined by an approximately northeast-trending corridor extending for 350 km situated between Tennant Creek and the Queensland border. The East Tennant area is almost completely covered by sedimentary rocks of the Georgina Basin which obscure its potential to host mineral systems. Despite the lack of exposed basement rocks in the area, the East Tennant area has been selected as an area for ongoing detailed geoscientific investigation through integration of new multi-disciplinary and multi-scale geoscience data.
The East Tennant region is characterised by a range of geological features that are favourable for mineral systems, including large-scale changes in lithospheric architecture and zones of high electrical conductivity in the crust and mantle. Detailed gravity and broadband magnetotelluric data reveals crustal-scale conductivity pathways that coincide with regional faults.
Stratigraphic drilling is planned as part of the National Drilling Initiative, a major component of the MinEx CRC. This drilling will better constrain the East Tennant basement geology and calibrate predictive mineral potential maps to further our understanding of the prospectivity of this promising region.
Geoscience Australia’s activities in the East Tennant project area are being undertaken in collaboration with the Northern Territory Geological Survey and the MinEx CRC.
Data & Publications
- East Tennant Magnetotelluric Survey data and conductivity model
- Northern Territory Annual Geoscience Exploration Seminar (March 2020), Extended Abstract: “Exploring for the Future: Integrated geoscience supporting exploration and discovery in the under cover Tennant Creek – Mount Isa region”
- NT Resources Week – Presentations from the Uncovering East Tennant Workshop and Mining the Territory Conference, September 2019
- East Tennant Gravity Survey P201901
- Iron oxide copper-gold (IOCG) mineral potential assessment for the Tennant Creek – Mt Isa region
- Producing Magnetite and Hematite Alteration Proxies using 3D Gravity and Magnetic Inversion: Method and results for the Tennant Creek—Mount Isa Project, northern Australia
- Mapping iron oxide Cu-Au (IOCG) mineral potential in Australia using a knowledge-driven mineral systems-based approach
- Resistivity model derived from magnetotellurics: AusLAMP-TISA project
- Depth to pre-Neoproterozoic rocks between Tennant Creek and Mt. Isa – A preliminary model
- Identification of a new gold event at Tennant Creek expands 'search space' for more discoveries, August 2018
- A shear-hosted Au-Cu-Bi metallogenic event at ~1660 Ma in the Tennant Creek goldfield (northern Australia) defined by in-situ monazite U-Pb-Th dating