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A Mathematical Approach to Flexible Management of Open Pit Mines with Uncertain Geology and Unpredictable Demand. This project will create new mathematical algorithms to flexibly manage open pit mining projects. The development of strategic plans for mining operations is a highly complex task, based on incomplete geological information and uncertain future commodity demand. The smart mathematics we create will allow Australia to capitalise on upturns in international demand, while limiting unavo ....A Mathematical Approach to Flexible Management of Open Pit Mines with Uncertain Geology and Unpredictable Demand. This project will create new mathematical algorithms to flexibly manage open pit mining projects. The development of strategic plans for mining operations is a highly complex task, based on incomplete geological information and uncertain future commodity demand. The smart mathematics we create will allow Australia to capitalise on upturns in international demand, while limiting unavoidable negative outcomes, by flexibly adjusting the mining operation to prevailing geological and economic conditions. Australia's mineral exports are worth over $50b annually to the Australian economy. Our techniques will better manage Australia's mining projects and capture new, emerging markets, significantly impacting on Australia's balance of trade.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 early evolution of the Earth system from multiple sulfur isotope records of sediments and seafloor mineral systems. This project addresses the early evolution of the Earth system that is one of the most important questions in Earth Sciences. It will use Australia's unique rock record and analytical techniques developed in Australia in collaboration with leading international researchers. The National Research Priority area 'An environmentally sustainable Australia: developing deep Earth reso ....The early evolution of the Earth system from multiple sulfur isotope records of sediments and seafloor mineral systems. This project addresses the early evolution of the Earth system that is one of the most important questions in Earth Sciences. It will use Australia's unique rock record and analytical techniques developed in Australia in collaboration with leading international researchers. The National Research Priority area 'An environmentally sustainable Australia: developing deep Earth resources' will benefit through the development of better exploration models for Archaean submarine metal deposits. Students will obtain a high level understanding of the early Earth system, ore deposits, stable isotope and transition metal geochemistry, which are directly applicable in both pure and applied research and mineral exploration.Read moreRead less
Multi-scale modelling of particle breakage in grinding process. The minerals industry is the largest exporter in Australia, contributing approximately 40% of Australia's total exports. Grinding is one of basic operations in mineral processing to liberate valuables from the host rock. Grinding process, however, has very low efficiency and may account for 50% of the direct operating cost of a mineral processing plant. This project is to develop a novel, multi-scale model to investigate grinding at ....Multi-scale modelling of particle breakage in grinding process. The minerals industry is the largest exporter in Australia, contributing approximately 40% of Australia's total exports. Grinding is one of basic operations in mineral processing to liberate valuables from the host rock. Grinding process, however, has very low efficiency and may account for 50% of the direct operating cost of a mineral processing plant. This project is to develop a novel, multi-scale model to investigate grinding at both process and individual particle levels and to provide a more accurate prediction of grinding performance. This will result in improved control and design of grinding process with reduced energy consumption and mineral waste, which will be of immense economic and environmental benefit to Australia.Read moreRead less
Automated On-Line Analysis and Contaminant Detection in Mineral Ore Processing. On-belt analysis is a key to efficient functioning of several
industries involved in the mining and use of minerals. It provides
chemical analysis of the minerals as they run through the instrument
on a conveyer belt. It permits quality control and detection of
impurities. The Scantech on-line analyser is at the forefront of this
technology. Our aim is to produce novel techniques to significantly
improve and m ....Automated On-Line Analysis and Contaminant Detection in Mineral Ore Processing. On-belt analysis is a key to efficient functioning of several
industries involved in the mining and use of minerals. It provides
chemical analysis of the minerals as they run through the instrument
on a conveyer belt. It permits quality control and detection of
impurities. The Scantech on-line analyser is at the forefront of this
technology. Our aim is to produce novel techniques to significantly
improve and make more efficient the processing of data from the
analyser. A particular focus will be quicker and improved calibration
of the instrument. These techniques will increase the accuracy and
speed while reducing the costs of such analysers, thus retaining and
enhancing their competitiveness in the global market.
Read moreRead less
Chemistry of uranium extraction - studies on the dissolution of uranium ores in a complex solution matrix. Olympic Dam is the world's largest uranium deposit. With a planned massive expansion of the mine's operations, it could generate more than $10b per year. The mineral ores found there, however, are highly complex and poorly understood. This project will investigate and determine the detailed characteristics and chemistry of the mineral ore and offer process improvements that will increase th ....Chemistry of uranium extraction - studies on the dissolution of uranium ores in a complex solution matrix. Olympic Dam is the world's largest uranium deposit. With a planned massive expansion of the mine's operations, it could generate more than $10b per year. The mineral ores found there, however, are highly complex and poorly understood. This project will investigate and determine the detailed characteristics and chemistry of the mineral ore and offer process improvements that will increase the productivity and improve the economics of extraction of the ore. This project will also address the serious deficiency of researchers in this field by creating a sustainable skills development program in mineral extraction and separation technology.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0989649
Funder
Australian Research Council
Funding Amount
$800,000.00
Summary
The Nanoscale Characterisation Centre WA Electron Microprobe Facility. A new-generation electron microprobe will support many fields of scientific endeavour that underpin Australia's future prosperity. The ability to map element distributions in minerals and derive quantitative analyses is essential for research into the formation of ore deposits, how to find them and how to develop them in a sustainable manner. Nanotechnology and materials science hold the keys to future developments in communi ....The Nanoscale Characterisation Centre WA Electron Microprobe Facility. A new-generation electron microprobe will support many fields of scientific endeavour that underpin Australia's future prosperity. The ability to map element distributions in minerals and derive quantitative analyses is essential for research into the formation of ore deposits, how to find them and how to develop them in a sustainable manner. Nanotechnology and materials science hold the keys to future developments in communications, computing, catalysis, medicine, environmental remediation and more. By increasing the performance of the unique WA ion probe suite, the electron microprobe will contribute to new basic science and to Australia's scientific reputation for this flagship instrumentation. Read moreRead less
A computational approach to fracture of quasi-brittle materials across the scales. The mining industry is a significant contributor to the economy of Australia. Since only a small part of the input energy in mining is useful, improving the energy efficiency through simulation-based optimisation of rock fracturing processes will have a huge impact on reducing the costs of mining operations. Besides, the numerical prediction of rock mass failure in mining, and collapse of concrete structures under ....A computational approach to fracture of quasi-brittle materials across the scales. The mining industry is a significant contributor to the economy of Australia. Since only a small part of the input energy in mining is useful, improving the energy efficiency through simulation-based optimisation of rock fracturing processes will have a huge impact on reducing the costs of mining operations. Besides, the numerical prediction of rock mass failure in mining, and collapse of concrete structures under extreme conditions in civil engineering and defence will also benefit from the project. This will improve Australia's capability to deal with catastrophic events. Through advances in numerical simulation of fracture of geomaterials, the project will also enhance Australian research in computational failure mechanics.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0237490
Funder
Australian Research Council
Funding Amount
$715,000.00
Summary
X-ray mapping and trace element electron probe microanalysis. The new advances offered by the acquisition of a state-of-the-art electron microprobe will provide multiple high-precision chemical and mineralogical data sets that will represent a breakthrough in our capacity to recognise scientifically important compositional micro-scale variations in geological, archaeological, biological and manufacured (metallurgical) materials.
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