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Development of new and high precision noble gas techniques for dating Quaternary volcanic rocks and surfaces: a Thermochronology and Noble Gas Geochronology and Geochemistry Organisation initiative. This project will calibrate noble gas dating methods, providing powerful tools for dating young volcanic rocks, eroded or buried surfaces and glacier/ice retreat. This research has considerable social, national and economic benefits for research training, volcanic hazard assessment, landscape evoluti ....Development of new and high precision noble gas techniques for dating Quaternary volcanic rocks and surfaces: a Thermochronology and Noble Gas Geochronology and Geochemistry Organisation initiative. This project will calibrate noble gas dating methods, providing powerful tools for dating young volcanic rocks, eroded or buried surfaces and glacier/ice retreat. This research has considerable social, national and economic benefits for research training, volcanic hazard assessment, landscape evolution, paleoclimate change and mineral exploration.Read moreRead less
The ins and outs of a Proterozoic supercontinent - what is the significance of 990-900 Ma orogenesis for the assembly of Rodinia? The hypothesis that all of Earth's continents came together one billion years ago to form a supercontinent known as Rodinia has invigorated debate about ancient continental distributions. Current models depict a flawed configuration for Rodinia, since they assume that continental fragments preserving evidence for quite different episodes of tectonic activity between ....The ins and outs of a Proterozoic supercontinent - what is the significance of 990-900 Ma orogenesis for the assembly of Rodinia? The hypothesis that all of Earth's continents came together one billion years ago to form a supercontinent known as Rodinia has invigorated debate about ancient continental distributions. Current models depict a flawed configuration for Rodinia, since they assume that continental fragments preserving evidence for quite different episodes of tectonic activity between 1350 and 900 million years ago developed at the same time. This project will make new correlations based upon careful observation and precise isotopic dating of rocks in Antarctica and Mexico, and will use these data to develop a more realistic picture of the ancient Earth.Read moreRead less
Diamonds – Time Capsules of Ancient Mantle Volatiles and the Key to Dynamic Earth Evolution. This project aims to reconcile the radically different views on the structure of the Earth’s mantle, based on geochemical (mostly noble gas) and geophysical data. This objective will be addressed through innovative noble gas analyses of well-characterised diamond samples, including gem-stones used for previous dating studies. In combination with carbon isotopic results, this information will be used to c ....Diamonds – Time Capsules of Ancient Mantle Volatiles and the Key to Dynamic Earth Evolution. This project aims to reconcile the radically different views on the structure of the Earth’s mantle, based on geochemical (mostly noble gas) and geophysical data. This objective will be addressed through innovative noble gas analyses of well-characterised diamond samples, including gem-stones used for previous dating studies. In combination with carbon isotopic results, this information will be used to constrain the structure and temporal/spatial evolution of the Earth’s mantle. A related outcome will be an improved understanding of the mantle source regions of diamonds and diamond formation.Read moreRead less