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Solidification, Channel Formation and Thermal Erosion In Lava Flows. This project will elucidate the complex dynamics that control the cooling rates and advance rates of lava flows. It will result in improved hazard assessments for volcanic areas around the world affected by the advance of lava flows, including many Pacific islands and most countries around the Pacific Rim. The project will also provide a quantitative understanding of thermal erosion in lava channels, which will help explain th ....Solidification, Channel Formation and Thermal Erosion In Lava Flows. This project will elucidate the complex dynamics that control the cooling rates and advance rates of lava flows. It will result in improved hazard assessments for volcanic areas around the world affected by the advance of lava flows, including many Pacific islands and most countries around the Pacific Rim. The project will also provide a quantitative understanding of thermal erosion in lava channels, which will help explain the formation and location of major ore deposits of nickel, copper and platinum in Western Australia and elsewhere around the world.Read moreRead less
Understanding the stratigraphic and structural architecture of late Archean basins and the context of their gold deposits. Gold mined from Archean rocks contributed $4.0 billion to Australia's export income in 2006 and provided the backbone of support for many remote communities. However, production has fallen 40% since 1997 and will be exhausted within 15 years unless major new discoveries are made. The potential to find additional gold deposits remains high, but urgently requires new data and ....Understanding the stratigraphic and structural architecture of late Archean basins and the context of their gold deposits. Gold mined from Archean rocks contributed $4.0 billion to Australia's export income in 2006 and provided the backbone of support for many remote communities. However, production has fallen 40% since 1997 and will be exhausted within 15 years unless major new discoveries are made. The potential to find additional gold deposits remains high, but urgently requires new data and improved exploration techniques to assist in their discovery. The results of this integrated multidisciplinary project will help to arrest the declining discovery rate and thereby sustain this important Australian industry.Read moreRead less
Experimental and natural constraints on trace element and volatile recycling in subduction zones. The results of this project will provide important constraints on the differentiation of Earth, which ultimately leads to the concentration of elements suitable for mining. Trace element and volatile recycling in subduction zones is an integral part of the research theme 'Journey to the centre of the Earth' which has been identified as a key project (4.4) in the national strategic plan for geoscienc ....Experimental and natural constraints on trace element and volatile recycling in subduction zones. The results of this project will provide important constraints on the differentiation of Earth, which ultimately leads to the concentration of elements suitable for mining. Trace element and volatile recycling in subduction zones is an integral part of the research theme 'Journey to the centre of the Earth' which has been identified as a key project (4.4) in the national strategic plan for geosciences. CO2 recycling in subduction zones is crucial for our understanding of the long-term greenhouse gas variations on Earth. The ANU is one of the world-leading research institutions in experimental petrology and geochemistry, and the outcomes of this project will ensure that Australia remains at the forefront in these disciplines.Read moreRead less
The Fluid Dynamics of Lava Flows: Silicic Domes and Basaltic Channels. Lava flows surface much of the Earth, Moon and terrestrial planets. This interdisciplinary program will combine laboratory experiments, mathematical analysis, numerical modelling and field observations to elucidate the complex dynamics of lava flows, including the nonlinear coupling of flow with surface solidification and basal melting. The focus will be on lava dome instability, and flow in open channels and tubes. Expected ....The Fluid Dynamics of Lava Flows: Silicic Domes and Basaltic Channels. Lava flows surface much of the Earth, Moon and terrestrial planets. This interdisciplinary program will combine laboratory experiments, mathematical analysis, numerical modelling and field observations to elucidate the complex dynamics of lava flows, including the nonlinear coupling of flow with surface solidification and basal melting. The focus will be on lava dome instability, and flow in open channels and tubes. Expected outcomes include: the ability to predict rates of lava flow cooling and advance, indicators of hazardous lava dome collapse, improved volcanic hazard assessments, explanations of the genesis of world-class magmatic ore deposits, and new interpretations of planetary surface morphologies.Read moreRead less