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Updated:
21 June 2007
Concluded: 30th June 2006
North Australia Project mineral promotion
North Australian Craton Conference
Key results of the North Australia Project were presented at the Evolution and metallogenesis of the North Australian Craton conference, held at the Crowne Plaza in Alice Springs, Northern Territory from 20-22 June 2006. For more information on the program and field trip, visit the conference web page.
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Project description
The North Australia Project (NAP) is a project within the National Geoscience Agreement (NGA). The NGA is an umbrella for a series of bilateral work programs between Geoscience Australia and the State and Territory Geological surveys. The Chief Government Geologists provide a strategic overview for the NGA and deal with common issues relating to standards, broad delivery to industry of the results of Geoscience Australia's efforts and its contributions and report to the ANZMEC on progress with the NGA and issues arising from it. All modules within the North Australia Project involve close collaboration with the Northern Territory Geological Survey (NTGS) and the Geological Survey of Western Australia (GSWA) by provision of Geoscience Australia's specialist expertise.
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Project outcome
Increased exploration activity in and the promotion of the Northern Territory and Western Australia for mineral exploration.
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Project outputs
- Reports, in collaboration with the NTGS and GSWA, documenting the age, structural timing, fluid characteristics, structural and geochemical controls and ore genesis of lode Au mineral system(s) in the Tanami region.
- A 3D architectural model of the Tanami region showing the geometry of major faults, stratigraphic units and granites using forward modelling and inversion of potential field data.
- A 3D land seismic survey to identify the geometry of major structures, granites and the depth of the Moho in the Tanami region.
- A gravity data set for the Tennant Creek area, in collaboration with NTGS.
Report(s), in collaboration with NTGS, documenting the event chronology of mafic magmatism in the Arunta Province, and the geochemistry, petrology and Ni-Cu-PGE mineral potential of the associated orthomagmatic mineral systems.
- Reports, in collaboration with NTGS, summarising the results of geochronological investigations for the Tanami, Arunta, Tennant Creek and Pine Creek regions.
- Geophysical interpretation, in collaboration with NTGS, of aeromagnetic data for the Lake MacKay, Mount Doreen , Mount Rennie and Mount Liebig 1:250 000 sheets.
- Geophysical interpretation, in collaboration with GSWA, of aeromagnetic data for parts of the Billiluna, Gordon Downs and Lucas 1:250 000 sheets.
- A scoped proposal, in collaboration with the NTGS, for land based seismic data acquisition, including scientific rationale, locations of target lines, modelling of magnetic and gravity data along these lines, and plans for access negotiation.
- Interpretation, in collaboration with NTGS, of the reprocessed seismic line across the south and central Arunta Province to determine the regional geological architecture and its implications on potential for diamond, lode Au, and sediment-hosted Zn-Pb-Ag mineral systems.
- Reports, in collaboration with NTGS, documenting the origin, age, and geological controls on base metal deposits in the Strangways Ranges, eastern Arunta.
- Reports, in collaboration with NTGS, documenting the origin, age and geological controls on base metal, Mo-W and Au deposits in the Molyhil-Jervois area, eastern Arunta.
- Preliminary mineral potential assessment (for selected provinces), in collaboration with NTGS, of VAMS, sediment-hosted Zn-Pb-Ag and orthomagmatic Ni-Cu-PGE deposits based on mineral system analysis.
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