Geological controls on high-grade oreshoots in the Wallaby gold deposit, Western Australia: Understanding the role of magmatic fluids in an Orogenic Au system. This project aims to understand the geological controls on high-grade (>2 g/t Au) oreshoots at the world-class Wallaby gold deposit (>7 Moz Au). In particular, the role of magmatic fluids in the transport and deposition of gold will be investigated. The Wallaby gold deposit is an ideal natural laboratory to investigate the complex relatio ....Geological controls on high-grade oreshoots in the Wallaby gold deposit, Western Australia: Understanding the role of magmatic fluids in an Orogenic Au system. This project aims to understand the geological controls on high-grade (>2 g/t Au) oreshoots at the world-class Wallaby gold deposit (>7 Moz Au). In particular, the role of magmatic fluids in the transport and deposition of gold will be investigated. The Wallaby gold deposit is an ideal natural laboratory to investigate the complex relationship between the geometry and timing of faults, influx of multiple hydrothermal fluid events and the deposition of gold. In particular, the study will investigate the relative importance of intrusion-related, and fault zone-related events in the formation of high-grade ore shoots. The outcomes of this study will include a clear understanding about the timing and relative contribution of magmatic and fault zone related events and their significance to the formation and geometry of high-grade oreshoots.Read moreRead less
Tectonic evolution and lode gold mineralisation in the Southern Cross district, Yilgarn Craton (Western Australia): a study of the meso- to Neoarchaean missing link. In the December quarter 2008, Gold export earnings increased by 2 per cent to $3.9 billion. Over the past 20 years and despite an increase in exploration expenditure to around $50 million per year, the discovery rates have been declining. Although the easy targets have been found, there remains considerable potential for future ma ....Tectonic evolution and lode gold mineralisation in the Southern Cross district, Yilgarn Craton (Western Australia): a study of the meso- to Neoarchaean missing link. In the December quarter 2008, Gold export earnings increased by 2 per cent to $3.9 billion. Over the past 20 years and despite an increase in exploration expenditure to around $50 million per year, the discovery rates have been declining. Although the easy targets have been found, there remains considerable potential for future major discoveries. This project addresses the pressing need for new data and improved exploration techniques to enable industry to target new discoveries. As the Southern Cross district is located in remote communities such discoveries also have major benefits for regional Australia.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
Magma dynamics and ore deposits. This project aims to advance knowledge on magma transport mechanisms through the Earth’s lithosphere, and boost predictive capacity to discover new ore deposits. Using field surveys, three-dimensional reflection seismic data, laboratory experiments and rock fracture mechanics, this project will investigate where, how and why, narrow finger-like conduits form in lithosphere-scale magma plumbing systems. The project expects to generate new knowledge on the formatio ....Magma dynamics and ore deposits. This project aims to advance knowledge on magma transport mechanisms through the Earth’s lithosphere, and boost predictive capacity to discover new ore deposits. Using field surveys, three-dimensional reflection seismic data, laboratory experiments and rock fracture mechanics, this project will investigate where, how and why, narrow finger-like conduits form in lithosphere-scale magma plumbing systems. The project expects to generate new knowledge on the formation and location of highly valuable ore deposits of nickel, copper, cobalt and platinum group elements, which are preferentially trapped in poorly understood, finger-like magma conduits. Anticipated outcomes of the project include fundamental insights into how magma transport dynamics control traps for magmatic sulfide ores as well as equipping mineral explorers in targeting their search for these important, but hard to find, ore deposits, benefitting society through future discoveries of economically strategic, new commodities.Read moreRead less
Defining the multi-scale controls on high-grade gold mineralisation. This project aims to improve our understanding of how extremely high-grade gold occurrences form in order to further our understanding of metal transport and accumulation within the Earth’s crust. This project will generate new knowledge in the area of gold geochemistry using novel experimental programs, interdisciplinary approaches and by utilising advanced technologies. Expected outcomes of this project include reducing the ....Defining the multi-scale controls on high-grade gold mineralisation. This project aims to improve our understanding of how extremely high-grade gold occurrences form in order to further our understanding of metal transport and accumulation within the Earth’s crust. This project will generate new knowledge in the area of gold geochemistry using novel experimental programs, interdisciplinary approaches and by utilising advanced technologies. Expected outcomes of this project include reducing the unpredictability of high-grade gold occurrences that impact both production and exploration strategies. This project should benefit the mineral industry partners by helping to discover high grade gold resources which is of great benefit to Australia.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE130100053
Funder
Australian Research Council
Funding Amount
$190,000.00
Summary
An AZtec electron backscatter diffraction facility for state-of-the-art quantitative microstructural analysis. Establishing a state-of-the-art quantitative microstructural analysis facility will provide critical infrastructure to compliment existing high-spatial resolution microanalytical techniques and facilitate pure and applied research in the geoscience over the next decade.
Four dimensional lithospheric evolution and controls on mineral system distribution in Neoarchean to Paleoproterozoic terranes. This project will resolve important questions about the links between the evolution and preservation of continents and important mineral deposits in Australia and West Africa between 2.7 and 1.8 billion years ago. The results will improve the understanding of a key period of Earth history and make a major contribution to mineral exploration.