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Sedimentary phosphorites as geochemical sponges: trace element scavenging, the chemical evolution of seawater and an innovative method for dating sediments. Ancient sedimentary phosphorite is the major source of commercial phosphate in Australia and East Asia. This project will lead to economic and environmental benefits to Australia by providing the minerals industry with the tools to target purer phosphate, thus improving resource estimations and minimising the environmental impact of trace me ....Sedimentary phosphorites as geochemical sponges: trace element scavenging, the chemical evolution of seawater and an innovative method for dating sediments. Ancient sedimentary phosphorite is the major source of commercial phosphate in Australia and East Asia. This project will lead to economic and environmental benefits to Australia by providing the minerals industry with the tools to target purer phosphate, thus improving resource estimations and minimising the environmental impact of trace metal burdened fertiliser. The study will enhance our understanding of the nature and timing of key moments in Earth history and could serve as a launchpad for future studies on the use of phosphate for environmental remediation. We hope to provide exciting opportunities for Australian postgraduates through cutting edge research in partnership with both homespun and international academic collaborators.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0882818
Funder
Australian Research Council
Funding Amount
$650,000.00
Summary
Investigating the Structure and Evolution of the Continental Crust: A Virtual Facility for Thermochronology, Noble Gas Geochemistry and Geochronology. Australian research groups have been responsible for a number of leading technical developments in geological dating. This project will continue that track record and provide the core infrastructure to support a major collaborative research strength that can address both fundamental scientific questions about the evolution of the Earth's crust and ....Investigating the Structure and Evolution of the Continental Crust: A Virtual Facility for Thermochronology, Noble Gas Geochemistry and Geochronology. Australian research groups have been responsible for a number of leading technical developments in geological dating. This project will continue that track record and provide the core infrastructure to support a major collaborative research strength that can address both fundamental scientific questions about the evolution of the Earth's crust and surface environment, as well as important economic applications of that knowledge. These include the search for petroleum and mineral deposits, thereby addressing the National Priority Goal: Developing deep-earth resources. The project will strengthen links with other national and international researchers, and build Australia's research profile in an area of significant worldwide scientific interest.Read moreRead less
A Multi-Isotope, Multi-Mineral Approach to Chronology of Deformation, Metamorphism and Gold Mineralisation in the Eastern Goldfields Province, Western Australia. Following recent research, an excellent framework is emerging for the evolution of the Eastern Goldfields Province. However, the weak link remaining is the precise timing of post-depositional geological events. The majority of available ages are equivocal because only single ?non-robust? isotope systems were used. This project will be t ....A Multi-Isotope, Multi-Mineral Approach to Chronology of Deformation, Metamorphism and Gold Mineralisation in the Eastern Goldfields Province, Western Australia. Following recent research, an excellent framework is emerging for the evolution of the Eastern Goldfields Province. However, the weak link remaining is the precise timing of post-depositional geological events. The majority of available ages are equivocal because only single ?non-robust? isotope systems were used. This project will be the first to take a multi-isotope and multi-mineral approach to constrain the temporal framework for the geological history of the Province. It will also provide an unequivocal guide to the robustness of the various isotopic methods and enable a careful reassessment of existing data and identification of appropriate methodology for future research.Read moreRead less
Stable carbon isotope compositions and distributions of age-diagnostic molecular fossils in Indonesian oils and source rocks for oil-source correlations. The project aims to develop a novel organic geochemical tool for determining a reliable geological age of sedimentary organic matter. The method involves measuring stable carbon isotope signatures of age-specific molecular fossils derived from land plants. To obtain accurate signatures separation techniques focusing on the compounds of interest ....Stable carbon isotope compositions and distributions of age-diagnostic molecular fossils in Indonesian oils and source rocks for oil-source correlations. The project aims to develop a novel organic geochemical tool for determining a reliable geological age of sedimentary organic matter. The method involves measuring stable carbon isotope signatures of age-specific molecular fossils derived from land plants. To obtain accurate signatures separation techniques focusing on the compounds of interest will be developed. The application of this approach in oil to source rock correlations has promise in petroleum basin studies, especially exploration, as evidenced by the strong support from Unocal. It is antipicated that the outcomes of this research will be valuable to other petroleum provinces (especially within Australia).
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Crustal-Scale Fluid Flow in Deep Intracontinental Settings: Conditions, Sources and Deformational Responses. Fluids are important agents of heat and mass transport in the Earth's crust. They play a key role in the mobilisation of metals and as such play a crucial role in the generation of ore deposits. The outcomes of this project will result in a greater understanding of the mechanisms and sources of fluid generation and mobilisation in deep-crustal settings. These outcomes can be related direc ....Crustal-Scale Fluid Flow in Deep Intracontinental Settings: Conditions, Sources and Deformational Responses. Fluids are important agents of heat and mass transport in the Earth's crust. They play a key role in the mobilisation of metals and as such play a crucial role in the generation of ore deposits. The outcomes of this project will result in a greater understanding of the mechanisms and sources of fluid generation and mobilisation in deep-crustal settings. These outcomes can be related directly to the understanding of the controls on the transport and deposition of metals and hence the formation of mineral resources which are vital to maintaining a strong Australian economy.Read moreRead less
Precise constraints on the timing and nature of late Quaternary glacial-interglacial climatic transitions in the Southwest Pacific region. An accurate understanding of major climatic transitions during the recent geological past is critical to efforts to understand global climate. This project seeks to investigate precisely when the most recent ice ages began and ended in the Southwest Pacific region relative to other regions of the world, by examining chemical and isotopic records contained in ....Precise constraints on the timing and nature of late Quaternary glacial-interglacial climatic transitions in the Southwest Pacific region. An accurate understanding of major climatic transitions during the recent geological past is critical to efforts to understand global climate. This project seeks to investigate precisely when the most recent ice ages began and ended in the Southwest Pacific region relative to other regions of the world, by examining chemical and isotopic records contained in New Zealand cave deposits. Using state-of-the-art analytical technology, precisely dated records of glacier activity and environmental change will be produced.Read moreRead less
Integrated provenance analysis: towards better ways of interpreting the source of ancient sediments. Determining the provenance of sedimentary grains is a key element of testing competing geological hypotheses. Most provenance analyses are based on single-grain analytical techniques that may miss vital information. This project will develop an integrated, systematic approach to provenance analysis by applying a broad range of modal, geochemical and isotopic techniques to enable the effective i ....Integrated provenance analysis: towards better ways of interpreting the source of ancient sediments. Determining the provenance of sedimentary grains is a key element of testing competing geological hypotheses. Most provenance analyses are based on single-grain analytical techniques that may miss vital information. This project will develop an integrated, systematic approach to provenance analysis by applying a broad range of modal, geochemical and isotopic techniques to enable the effective identification of sources of grains in sedimentary rocks. The new system will be used to test hypotheses of when the Pilbara and Yilgarn cratons amalgamated to form the core of the Australian continent.Read moreRead less
Biogeochemical characterisation of Archaean microfossils, biomarkers and organic matter: Probing the nature and diversity of early life on Earth. Recognizing biological signatures in ancient rocks poses the single greatest challenge to our understanding of the origin and evolution of life. This Project will use new advanced technology to reveal when and where life first appeared and assess its impact on the environment, atmosphere and climate. Results are essential for understanding the transfor ....Biogeochemical characterisation of Archaean microfossils, biomarkers and organic matter: Probing the nature and diversity of early life on Earth. Recognizing biological signatures in ancient rocks poses the single greatest challenge to our understanding of the origin and evolution of life. This Project will use new advanced technology to reveal when and where life first appeared and assess its impact on the environment, atmosphere and climate. Results are essential for understanding the transformation of our planet into a suitable habitat for humankind. The work will place Australia among world leaders in one of the most exciting topics of current scientific research, raising Australia's reputation in this high profile and competitive field. The Project tackles profound questions and seeks to attract, inspire and train future scientists in an ideal location and research environment.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0560725
Funder
Australian Research Council
Funding Amount
$127,042.00
Summary
Enhancing the Monash-VIEPS Stable Isotope Facility. This proposal is to enhance the Monash-Victorian Institute of Earth and Planetary Sciences (VIEPS) Stable Isotope Facility to expand our capacity for state-of-the-art research in hydrogeology, hydrology, aqueous chemistry, modern and palaeoclimatology, sedimentology, geochemistry, economic geology, and biological sciences. This facility will then have an analytical capability that is at least the equal of those elsewhere in Australia and which ....Enhancing the Monash-VIEPS Stable Isotope Facility. This proposal is to enhance the Monash-Victorian Institute of Earth and Planetary Sciences (VIEPS) Stable Isotope Facility to expand our capacity for state-of-the-art research in hydrogeology, hydrology, aqueous chemistry, modern and palaeoclimatology, sedimentology, geochemistry, economic geology, and biological sciences. This facility will then have an analytical capability that is at least the equal of those elsewhere in Australia and which will maintain our position as a World Class stable isotope research facility. The enhanced facility will permit new research to be carried out that will lead to new collaborations both within the traditional Earth Sciences and across disciplines.Read moreRead less
Stable isotopic studies and isotopic dating, Woodleigh Impact Structure, Western Australia: implications for the Late Devonian mass extinction. The 120 km diameter Woodleigh impact structure in the Carnarvon Basin, Western Australia is the third largest Phanerozoic impact structure. K-Ar dating of impact-induced alteration minerals indicates a Late Devonian age for Woodleigh. The precise timing of impact, nature of the impacting body and processes responsible for redistribution of meteoritic com ....Stable isotopic studies and isotopic dating, Woodleigh Impact Structure, Western Australia: implications for the Late Devonian mass extinction. The 120 km diameter Woodleigh impact structure in the Carnarvon Basin, Western Australia is the third largest Phanerozoic impact structure. K-Ar dating of impact-induced alteration minerals indicates a Late Devonian age for Woodleigh. The precise timing of impact, nature of the impacting body and processes responsible for redistribution of meteoritic components will be investigated using a range of analytical methodologies. A search will be made for impact-related sedimentary deposits to see if an extraterrestrial component can be identified and correlated with Woodleigh. The expected outcome is proof of an impact-extinction connection for the Late Devonian mass extinction, one of the largest in Earth history.Read moreRead less