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Earth's Dynamic Topography Through Space and Time. A key component of Earth’s topography remains enigmatic. This so-called dynamic topography is transient, varying in response to convection within Earth’s mantle. This project aims to use a data-driven computational approach to: (i) reconstruct the evolution of dynamic topography over the recent geological history of our planet (Cenozoic Era, 0-66 million years ago); and (ii) uncover the mechanisms controlling its spatial and temporal evolution. ....Earth's Dynamic Topography Through Space and Time. A key component of Earth’s topography remains enigmatic. This so-called dynamic topography is transient, varying in response to convection within Earth’s mantle. This project aims to use a data-driven computational approach to: (i) reconstruct the evolution of dynamic topography over the recent geological history of our planet (Cenozoic Era, 0-66 million years ago); and (ii) uncover the mechanisms controlling its spatial and temporal evolution. This transformational new understanding will connect the evolution of our planet's surface environments to its deep interior, revealing the impact of dynamic topography on sea level change, flooding, river networks, groundwater systems, habitat development and the distribution of economic resources. Read moreRead less
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
Active tectonics of East Timor: geomorphic responses to an evolving slab rupture. Through analysis of the landscape evolution of East Timor, this project will establish new insights into basic dynamic processes responsible for formation of mountain systems. By quantifying slip rates on active faults and erosion rates across its landscape, it will provide new constraints on natural hazards for East Timor, and the broader region.
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE150100145
Funder
Australian Research Council
Funding Amount
$170,000.00
Summary
The South Australian Thermochronometry Hub (SA Thermo). A thermochronometry hub: This project aims to set up a thermochronometry hub which will complement existing Australian geo- and thermochronological facilities by focussing on zircon fission track dating. This method will enable characterisation of the evolution of Australia's landscape, uncovering of its mineral deposits and constraining the formation of its petroleum reservoirs. The facility will enhance capacity to undertake thermochronol ....The South Australian Thermochronometry Hub (SA Thermo). A thermochronometry hub: This project aims to set up a thermochronometry hub which will complement existing Australian geo- and thermochronological facilities by focussing on zircon fission track dating. This method will enable characterisation of the evolution of Australia's landscape, uncovering of its mineral deposits and constraining the formation of its petroleum reservoirs. The facility will enhance capacity to undertake thermochronological research and aid in securing the economic future of Australia.Read moreRead less
The timescales of Earth-system processes. This project will advance our understanding of the timescales of Earth processes using short-lived (22 to 380,000 years) isotopes. The results will provide better constraints on the timescales of magmatic processes and frequency of large-scale eruptions for volcanic hazard mitigation and also soil production rates for landscape erosion studies.
Building Central Asia: Linking the Growth of Asia to its Exhumation. The consumption of the Tethys Ocean and the associated collision of Gondwana-derived terranes with Eurasia resulted in the uplift of the highest mountain belt on Earth: the Himalayas. However, stresses from this collision zone propagated far into the Eurasian interior by reactivating faults and creating mountain belts along these fault zones. This project aims to map and model how and when fault (re)activation occurred by integ ....Building Central Asia: Linking the Growth of Asia to its Exhumation. The consumption of the Tethys Ocean and the associated collision of Gondwana-derived terranes with Eurasia resulted in the uplift of the highest mountain belt on Earth: the Himalayas. However, stresses from this collision zone propagated far into the Eurasian interior by reactivating faults and creating mountain belts along these fault zones. This project aims to map and model how and when fault (re)activation occurred by integrating multi-method thermochronological and structural data on major Meso-Cenozoic Central Asian fault systems. The resulting time-integrated tectonic model will aid in the understanding of the India-Eurasia collision, the building of the mountainous Central Asian landscape and its influence on the Asian climate.Read moreRead less
Fleshing out the fossil record: using organically preserved soft tissues and bone to explore the evolution of unique vertebrate characters. This study integrates developmental, molecular and morphological data in both fossil and living species to provide insights into the evolutionary mechanisms which formed the musculo/skeletal system. Uncovering these evolutionary pathways has the potential to describe mechanisms common to all vertebrate and informs us about our own evolution.
The paleoenvironmental evolution of Earth and Mars. The project proposes to develop and apply high-resolution isotopic and geochemical techniques to measure the timing and intensity of water-rock interactions at the Earth’s surface throughout the geological past. Water–rock interactions shape the Earth’s landscape, determine the composition of surface and groundwater, produce the soils that sustain life, and buffer the composition of the atmosphere. Ultimately, the project aims to generate a tim ....The paleoenvironmental evolution of Earth and Mars. The project proposes to develop and apply high-resolution isotopic and geochemical techniques to measure the timing and intensity of water-rock interactions at the Earth’s surface throughout the geological past. Water–rock interactions shape the Earth’s landscape, determine the composition of surface and groundwater, produce the soils that sustain life, and buffer the composition of the atmosphere. Ultimately, the project aims to generate a time-calibrated and continuous continental paleoenvironmental record for key sites in the southern hemisphere, spanning from the Mesozoic to the present. Results from this study may allow us to quantify water–rock interactions on Earth, and may also be applicable to investigating the hydrological cycle on Mars.Read moreRead less
Climate extremes and landscape responses across continental Australia. This project aims to determine the magnitude, frequency and duration of dry and wet extremes across the Australian continent over the last thousand years and examine landscape responses to such climate extremes. Using terrestrial records from key lake locations, the project expects to construct a record of mega-lakes and mega-droughts and determine whether such climatic phenomena are becoming more frequent or severe through t ....Climate extremes and landscape responses across continental Australia. This project aims to determine the magnitude, frequency and duration of dry and wet extremes across the Australian continent over the last thousand years and examine landscape responses to such climate extremes. Using terrestrial records from key lake locations, the project expects to construct a record of mega-lakes and mega-droughts and determine whether such climatic phenomena are becoming more frequent or severe through time. The project will develop palaeoclimatic data at sub-centennial resolution, examining the spatial coherence of the climate extremes. The project will integrate this with both the historical record and global climate modelling, allowing us to assess the dominant oceanographic and atmospheric conditions that lead to such extremes.Read moreRead less
Breaking Gondwana: interplay between tectonics, climate and resources. The project aims to reconstruct 250 million years of landscape evolution in response to rifting and break-up of the Gondwana supercontinent, using the innovative approach of combining regional thermochronology with global plate tectonic models. From these reconstructions, the time-integrated record of exhumation and erosion at the continental margins will be revealed at an unprecedented scale. The main expected outcome will b ....Breaking Gondwana: interplay between tectonics, climate and resources. The project aims to reconstruct 250 million years of landscape evolution in response to rifting and break-up of the Gondwana supercontinent, using the innovative approach of combining regional thermochronology with global plate tectonic models. From these reconstructions, the time-integrated record of exhumation and erosion at the continental margins will be revealed at an unprecedented scale. The main expected outcome will be a deep time archive of the relationships between tectonic forcing, continental erosion and the global climate, which may assist predictions and debate on future climate change. The outcomes will also provide economic benefits as they will inform on the exhumation and preservation of (critical) mineral resources.Read moreRead less