Executive summary -- 1. Introduction -- 1.1. Australia's nickel resources: known and undiscovered -- 1.2. Rationale and aims: a national assessment of Ni-Cu-PGE sulfide mineral potential -- 1.3. Foundation datasets -- 1.4. Digital information products -- 2. Formation of magmatic Ni-Cu-PGE sulfide ore deposits -- 2.1. Model of magmatic Ni-Cu-PGE sulfide ore-forming systems -- 2.2. Fundamental processes in Ni-Cu-PGE ore formation -- 3. Prospectivity analysis method -- 3.1. Mineral systems framework -- 3.2. Prospectivity modelling approach and GIS methods -- 3.3. Theoretical and mappable criteria and weightings -- 4. Tholeiitic intrusion-hosted Ni-Cu-PGE sulfide mineral systems -- 4.1. Mineral system component: energy sources -- 4.2. Mineral system component: lithospheric architecture -- 4.3. Mineral system component: sources of ore metals - Ni, Cu, PGE --4.4. Mineral system component: Ore depositional gradients -- 5. Ni-Cu-PGE sulfide mineral potential of Australia: Results -- 5.1. Overview of results -- 5.2. Discussion of prospective regions -- 6. Summary and Conclusions -- 6.1. Method and results -- 6.2. Limitations of the mineral potential modelling -- References -- Appendix A. GIS modelling workflow and input datasets -- A.1. GIS modelling workflow -- A.2. Energy sources or drivers of the ore forming system -- A.3. Lithospheric architecture -- A.4. Sources of ore metals: Ni, Cu, PGE -- A.5. Ore depositional gradients -- A.6. Final Result -- A.7 References -- Appendix B. Workflow for geochemical datasets -- B.1. Workflow to create geochemical input layers -- B.2. References -- Appendix C. Selection of Ni geochemical data -- Method of selection of Ni-enriched and Ni-depleted geochemical analyses -- C.1. Reference.
This project commenced in November 2012 and is intended to provide satellite data and related scientific services to support the Murray-Darling Basin Authority's monitoring of how the condition of riparian vegetation responds to changing river run-off and wetland inundation levels. Under this project, Geoscience Australia started to build a satellite data processing infrastructure; named the 'datacube', as a proof of concept for expected on-going time series analysis applications including historical flood and bathymetry mapping. The work incorporates an automated processing chain for Landsat satellite images from Geoscience Australia's extensive archive, into customised high level intermediate products, including automated ortho-rectification, atmospheric correction, cloud-removal, and mosaicking, and finally into statistics on the spectral and derivative indices (that is, vegetation condition indices or various types) for the summer periods of December-March, each year for the period 2000-2013." --Online abstract.
There is significant interest in Australia, both federally and at the state level, to develop a hydrogen production industry. Australia's Chief Scientist, Alan Finkel, recently prepared a briefing paper for the COAG Energy Council outlining a road map for hydrogen. It identifies hydrogen has the potential to be a significant source of export revenue for Australia in future years, assist with decarbonising Australia's economy and could establish Australia as a leader in low emission fuel production. As part of the ongoing investigations into the hydrogen production potential of Australia, Geoscience Australia has been commissioned by the Department of Industry, Innovation and Science to develop heat maps that show areas with high potential for future hydrogen production...-- Online abstract.
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