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X-ray tomographic analysis and modelling of metallurgical coke. This project will apply 3D X-ray micro-tomography and model-based computational analysis to develop innovative approaches to the micro-structural characterisation of metallurgical coke. This has significant ramifications for the iron industry since coke characterisation is of primary importance to improved blast furnace productivity. The project will deliver new quantitative indices of coke microstructure, develop models for simulat ....X-ray tomographic analysis and modelling of metallurgical coke. This project will apply 3D X-ray micro-tomography and model-based computational analysis to develop innovative approaches to the micro-structural characterisation of metallurgical coke. This has significant ramifications for the iron industry since coke characterisation is of primary importance to improved blast furnace productivity. The project will deliver new quantitative indices of coke microstructure, develop models for simulation of micro-structural properties and coke transport properties, and examine coke reactivity in 3D contexts. This project will also be the first study to use multi-scale 3D X-ray tomographic analysis to examine the structural dynamics of coke during both its production and its use in the blast furnace.Read moreRead less
Tectonothermal and mineralization history of banded iron formations of the north Pilbara Craton. Iron ore is Australia's largest single export commodity, accounting for 8% ($12.8 billion) of total merchandise exports in 2006. Most of that value comes from the Pilbara region of Australia. Discovery rates of new deposits have declined over the past two decades, while many mines are nearing the end of production. Exploration expenditure has also declined. There is therefore an urgent need to reinvi ....Tectonothermal and mineralization history of banded iron formations of the north Pilbara Craton. Iron ore is Australia's largest single export commodity, accounting for 8% ($12.8 billion) of total merchandise exports in 2006. Most of that value comes from the Pilbara region of Australia. Discovery rates of new deposits have declined over the past two decades, while many mines are nearing the end of production. Exploration expenditure has also declined. There is therefore an urgent need to reinvigorate exploration to maintain an industry that underpins much of Australia's regional wealth. Outcomes of the project will provide exploration with improved geological tools with which to develop superior exploration models and thereby better direct exploration strategies.Read moreRead less
Order-disorder behaviour in Bi-tellurides: a tool to monitor gold scavenging by Bi-Te melts. This project addresses a group of minerals (bismuth tellurides) that are often part of the exotic assemblages present in gold deposits, yet their potential to model the gold-forming processes is only recently apparent. These minerals also have the capacity to record their genetic history due to crystal modularity. Materials scientists target the analogous synthetic compounds because of the same structura ....Order-disorder behaviour in Bi-tellurides: a tool to monitor gold scavenging by Bi-Te melts. This project addresses a group of minerals (bismuth tellurides) that are often part of the exotic assemblages present in gold deposits, yet their potential to model the gold-forming processes is only recently apparent. These minerals also have the capacity to record their genetic history due to crystal modularity. Materials scientists target the analogous synthetic compounds because of the same structural modularity for applications in nanotechnology. The dataset on the mineral compounds, using the geological environment as a natural laboratory, will serve materials science research, as much as delivering key information relevant to understanding the reasons for gold enrichment in economically important types of ores. Read moreRead less
Modeling fluid flow and mineralisation at crustal interfaces. Several types of mineral resources, including some uranium, iron, and base metal ore deposits, may be created by fluid flow through and around interfaces in the Earth's crust. By understanding how, where and why such deposits form, we will assist exploration for future resources of these metals. Insights will also be gained into petroleum resource generation and extraction, the distribution of seismicity and volcanoes in time and spac ....Modeling fluid flow and mineralisation at crustal interfaces. Several types of mineral resources, including some uranium, iron, and base metal ore deposits, may be created by fluid flow through and around interfaces in the Earth's crust. By understanding how, where and why such deposits form, we will assist exploration for future resources of these metals. Insights will also be gained into petroleum resource generation and extraction, the distribution of seismicity and volcanoes in time and space, the problems of underground nuclear waste disposal and sequestration of CO2, and the potential for geothermal energy, with benefits in resource identification and/or hazard assessment in these areas.Read moreRead less
The Australasian Stress Map. The contemporary crustal stress field of Australasia is both more complex and more poorly constrained than that of other continental areas. The crustal stress field controls processes including earthquake hazard; the stability of mines, tunnels and boreholes, and; fluid flow in groundwater aquifers and oil reservoirs. Using data from oil exploration wells, earthquakes and recent geological activity, this project will increase from around 300 to 1000 the number of rel ....The Australasian Stress Map. The contemporary crustal stress field of Australasia is both more complex and more poorly constrained than that of other continental areas. The crustal stress field controls processes including earthquake hazard; the stability of mines, tunnels and boreholes, and; fluid flow in groundwater aquifers and oil reservoirs. Using data from oil exploration wells, earthquakes and recent geological activity, this project will increase from around 300 to 1000 the number of reliable stress determinations available for Australia, New Zealand and Papua New Guinea. The stress field will be modelled in order to improve our understanding of its origin and variability.Read moreRead less
Low-grade metamorphic phosphate geochronology: High-precision dating of ancient crustal fluid flow, hydrothermal mineralisation and the "Great Oxidation Event". Reliable dating techniques are required to obtain precise ages for ancient crustal fluid flow. Current techniques suffer from inheritance and isotopic resetting, problems that are particularly pronounced in early Precambrian rocks. This project will employ new analytical techniques to date phosphate minerals recently identified as potent ....Low-grade metamorphic phosphate geochronology: High-precision dating of ancient crustal fluid flow, hydrothermal mineralisation and the "Great Oxidation Event". Reliable dating techniques are required to obtain precise ages for ancient crustal fluid flow. Current techniques suffer from inheritance and isotopic resetting, problems that are particularly pronounced in early Precambrian rocks. This project will employ new analytical techniques to date phosphate minerals recently identified as potentially important new chronometers of ancient fluid flow, providing the first precise tectonothermal history of the Archaean Pilbara Craton. The project will also establish the age of giant iron-ore deposits across the Hamersley Province, test the various models for iron-ore formation, and provide a minimum age for the oxidation of the Earth's surface. Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0668377
Funder
Australian Research Council
Funding Amount
$246,000.00
Summary
Western Australia Palaeomagnetic and Rock-magnetic Facility. The WA Palaeomagnetic and Rock-magnetic Facility is an essential piece of infrastructure for geoscience developments in WA and Australia in general. It not only serves the needs of the scientific community, but also supports resource-related projects sponsored by government and the resource industries, and serves the educational needs of postgraduate, undergraduate, and school students. Upgrading of the WA facility will enhance the res ....Western Australia Palaeomagnetic and Rock-magnetic Facility. The WA Palaeomagnetic and Rock-magnetic Facility is an essential piece of infrastructure for geoscience developments in WA and Australia in general. It not only serves the needs of the scientific community, but also supports resource-related projects sponsored by government and the resource industries, and serves the educational needs of postgraduate, undergraduate, and school students. Upgrading of the WA facility will enhance the research capacity of the WA geoscience community and maintain its international position in tectonic, palaeogeographic, and palaeoclimatic studies, and in ore genesis research.Read moreRead less
Structural and hydrothermal fluid control of high-grade (>65 wt% Fe) hematite ores in BIF-hosted iron deposits in the Hamersley Basin. The project aims to understand the geological controls on high-grade(>65wt%Fe)iron ore deposits of the Hamersley Province. In particular, the role of hydrothermal fluids in the transformation of banded iron formation (BIF) to high-grade iron ore. Three deposits (Mt Tom Price, Paraburdoo and Channar) provide an ideal study of the relationship between the struct ....Structural and hydrothermal fluid control of high-grade (>65 wt% Fe) hematite ores in BIF-hosted iron deposits in the Hamersley Basin. The project aims to understand the geological controls on high-grade(>65wt%Fe)iron ore deposits of the Hamersley Province. In particular, the role of hydrothermal fluids in the transformation of banded iron formation (BIF) to high-grade iron ore. Three deposits (Mt Tom Price, Paraburdoo and Channar) provide an ideal study of the relationship between the structural evolution, timing, and characteristics of hydrothermal and supergene processes. In particular, the the study aims to investigate the structural control and fluid chemistry of the hydrothermal system. The outcomes of this study will include a better understanding about the timing and fluid characteristcs of hydrothermal/supergene events and their significance to the formation and geometry of high-grade iron ore deposits in the Hamersley Province.Read moreRead less
Developing indicator minerals to geochemically fingerprint mineralized Fe oxide Cu-Au systems: a pilot study around the Ernest Henry Cu-Au mine. Fe oxide Cu-Au deposits represent some of the largest accumulations of economically extractable metal in the earth's crust. However, exploration has been largely ineffective over the last decade, and new methods for their delineation are required to deliver a step-change in the efficiency of exploration programs. The development of a mineral indicator s ....Developing indicator minerals to geochemically fingerprint mineralized Fe oxide Cu-Au systems: a pilot study around the Ernest Henry Cu-Au mine. Fe oxide Cu-Au deposits represent some of the largest accumulations of economically extractable metal in the earth's crust. However, exploration has been largely ineffective over the last decade, and new methods for their delineation are required to deliver a step-change in the efficiency of exploration programs. The development of a mineral indicator scheme to fingerprint potential ?ore-forming? systems using state-of-the-art laser ablation ICP-MS analysis may engender new methods and strategies that lead to exploration success. A baseline study around a known deposit provides the best means to characterize indicators- the Ernest Henry Cu-Au deposit provides the ideal candidate.Read moreRead less
Computationally Modelling a Volcano: Flow and Stability. Mainland Australia is fortunate not to suffer directly from active volcanism. However, this does not mean volcanoes are of little importance. The products of ancient eruptions can define the wealth of a nation. But they are also highly destructive and there are currently 30 active volcanoes capable of generating a tsunami that could affect Australia. Understanding the physical processes using computational models is essential to save lives ....Computationally Modelling a Volcano: Flow and Stability. Mainland Australia is fortunate not to suffer directly from active volcanism. However, this does not mean volcanoes are of little importance. The products of ancient eruptions can define the wealth of a nation. But they are also highly destructive and there are currently 30 active volcanoes capable of generating a tsunami that could affect Australia. Understanding the physical processes using computational models is essential to save lives and help us benefit from their products. This is a relatively new research field and owing to the resources in Australia, our research team has the potential to be at the forefront. There is also the capability to build and impressive research team within the University of Queensland.Read moreRead less