Trace element geochemistry of microbialites: towards an independent record of biogenicity, microbial communities, and seawater chemistry. A vast amount of Australia's mineral wealth is held in rocks of Precambrian age, yet those rocks are notoriously difficult to date and correlate owing to the rarity of fossils. Successful discrimination of different microbialites using biochemically sensitive trace elements will provide a firm basis and rationale for stromatolite biostratigraphy and greatly in ....Trace element geochemistry of microbialites: towards an independent record of biogenicity, microbial communities, and seawater chemistry. A vast amount of Australia's mineral wealth is held in rocks of Precambrian age, yet those rocks are notoriously difficult to date and correlate owing to the rarity of fossils. Successful discrimination of different microbialites using biochemically sensitive trace elements will provide a firm basis and rationale for stromatolite biostratigraphy and greatly increase our ability to understand the geological evolution and distribution of Precambrian rocks and resources. Additionally, a better understanding of the information content of stromatolites will yield considerable insight into the origin of life on Earth and its relationship to Earth's evolving chemistry and environment. Read moreRead less
Was there an unusual environment with equally remarkable inhabitants in Early Cretaceous southeast Australia? After more than two decades of effort, there is strong evidence that Early Cretaceous southeastern Australia was inhabited by a remarkably diverse polar terrestrial vertebrate fauna adapted to the coldest environment known to have existed anywhere in the late Mesozoic. In this unusual terrestrial habitat for that time, temnospondyl amphibians and allosaurid dinosaurs survived long ....Was there an unusual environment with equally remarkable inhabitants in Early Cretaceous southeast Australia? After more than two decades of effort, there is strong evidence that Early Cretaceous southeastern Australia was inhabited by a remarkably diverse polar terrestrial vertebrate fauna adapted to the coldest environment known to have existed anywhere in the late Mesozoic. In this unusual terrestrial habitat for that time, temnospondyl amphibians and allosaurid dinosaurs survived long after becoming extinct elsewhere. Here, too, are found what may be the oldest known and yet remarkably advanced placental mammals, the group to which we belong. To further corroborate or refute these hypotheses, some of which are highly contentious, is the aim of this project.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0237922
Funder
Australian Research Council
Funding Amount
$500,000.00
Summary
High Resolution Cryogenic Field Emission Environmental Scanning Electron Microscope Facility. A high resolution variable pressure scanning electron microscope will replace aging, heavily utilised facilities. It will be accessed by existing large and diverse user groups in a mature and internationally-recognised Centre. The novel combination of a cryogenic stage and the electrostatic beam blanking modification will support continuance of the local, world-leading research and application of new ....High Resolution Cryogenic Field Emission Environmental Scanning Electron Microscope Facility. A high resolution variable pressure scanning electron microscope will replace aging, heavily utilised facilities. It will be accessed by existing large and diverse user groups in a mature and internationally-recognised Centre. The novel combination of a cryogenic stage and the electrostatic beam blanking modification will support continuance of the local, world-leading research and application of new imaging techniques, particularly in the materials and mineral sciences. Both new nanotechnology and existing globally-significant industries will utilise the unique aspects of this instrument for product refinement and maintenance of commercial leadership, in partnership with local Universities and Government agencies.Read moreRead less
Cretaceous marine reptiles from the Eromanga Sea - a research project focussing on the fossils of Outback Queensland. The Eromanga Sea covered large tracts of north and central Australia between 140 and 95 million years ago. Major faunal components of this inland-sea were marine reptiles, such as plesiosaurs, ichthyosaurs and sea turtles. North Qld has extensive marine fossil deposits remaining to be systematically explored. Many world-significant specimens from these strata are housed in the Au ....Cretaceous marine reptiles from the Eromanga Sea - a research project focussing on the fossils of Outback Queensland. The Eromanga Sea covered large tracts of north and central Australia between 140 and 95 million years ago. Major faunal components of this inland-sea were marine reptiles, such as plesiosaurs, ichthyosaurs and sea turtles. North Qld has extensive marine fossil deposits remaining to be systematically explored. Many world-significant specimens from these strata are housed in the Australian, Queensland and Richmond Marine Fossil museums. This project intends to resolve fundamental questions concerning the evolution, environment, lifestyle and distribution of Cretaceous marine reptiles by improving their fossil record and analysing newly discovered Australian specimens, including the world's first plesiosaur embryo.Read moreRead less
Old brains, new data - early evolution of structural complexity in the vertebrate head. Of the all the complex structures biology has provided, the evolution of the vertebrate brain and its sensory organs is perhaps the most enigmatic. The fossil record occasionally provides a chance to trace this evolution, but only with the use of novel X-ray scanning techniques can these secrets be detailed in three dimensions. Exploiting the exceptional fossil record from Australia and China, this team will ....Old brains, new data - early evolution of structural complexity in the vertebrate head. Of the all the complex structures biology has provided, the evolution of the vertebrate brain and its sensory organs is perhaps the most enigmatic. The fossil record occasionally provides a chance to trace this evolution, but only with the use of novel X-ray scanning techniques can these secrets be detailed in three dimensions. Exploiting the exceptional fossil record from Australia and China, this team will for the first time collect a vast comparative data base which will yield clues on the early evolution of the ear, eye and brain. Read moreRead less
Origin of jaws - the greatest unsolved mystery of early vertebrate evolution. The 2008 discovery of an unborn embryo in the 380 million-year-old "Mother Fish" from the famous Gogo fossil deposit in NW Australia has attracted a collaboration of Australian, American and Chinese scientists to a new international collaboration. The team will study spectacular new fossils from central Australia and southern China, the oldest known back-boned animals with jaws and a hard skeleton. Innovative 3D X-ray ....Origin of jaws - the greatest unsolved mystery of early vertebrate evolution. The 2008 discovery of an unborn embryo in the 380 million-year-old "Mother Fish" from the famous Gogo fossil deposit in NW Australia has attracted a collaboration of Australian, American and Chinese scientists to a new international collaboration. The team will study spectacular new fossils from central Australia and southern China, the oldest known back-boned animals with jaws and a hard skeleton. Innovative 3D X-ray computer tomography, and the Australian synchrotron, will be used to investigate ancient cells and preserved soft tissue structures, to search for evidence that copulation and internal fertilization, as in modern mammals, might have originated when jaws first evolved. Read moreRead less
Pleistocene evolutionary dynamics and past environments of Siberia: Reconstructions using luminescence dating of ancient DNA sedimentary archives. This study will yield critical new insights into faunal-environment interactions in Siberia and their long-term implications for the evolution and extinction of Siberia's biota. These fundamental issues are of relevance to Australian archaeology, palaeontology and biogeography, and so our discoveries are of direct interest to Australian researchers st ....Pleistocene evolutionary dynamics and past environments of Siberia: Reconstructions using luminescence dating of ancient DNA sedimentary archives. This study will yield critical new insights into faunal-environment interactions in Siberia and their long-term implications for the evolution and extinction of Siberia's biota. These fundamental issues are of relevance to Australian archaeology, palaeontology and biogeography, and so our discoveries are of direct interest to Australian researchers studying these disciplines. The methodological advancements in OSL dating and DNA techniques that will accompany this research will enhance Australia's international scientific standing and create new opportunities for collaborative initiatives in both cutting-edge scientific research and consulting activities.Read moreRead less
Australia's exceptional Palaeozoic fossil fishes, and a Gondwana origin for land vertebrates. The 370 million-year-old Gogo deposit in WA has produced the World's best-preserved fossil fishes of Devonian age. New discoveries of related forms in eastern and central Australia document the deep history of Australia's unique vertebrate fauna, and provide new evidence on the evolution of the first jaws and limbs in vertebrates. They indicate that the first land animals may have evolved on the Austral ....Australia's exceptional Palaeozoic fossil fishes, and a Gondwana origin for land vertebrates. The 370 million-year-old Gogo deposit in WA has produced the World's best-preserved fossil fishes of Devonian age. New discoveries of related forms in eastern and central Australia document the deep history of Australia's unique vertebrate fauna, and provide new evidence on the evolution of the first jaws and limbs in vertebrates. They indicate that the first land animals may have evolved on the Australian landmass. These remarkably preserved, information-rich skulls and braincases of some of the oldest known vertebrate fossils provide unique data on early evolution of the head and brain; they are held in national collections as a significant contribution to both National and World Heritage.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0882854
Funder
Australian Research Council
Funding Amount
$6,000,000.00
Summary
Australian Membership of the Integrated Ocean Drilling Program. Membership of the Integrated Ocean Drilling Program (IODP) will provide high-leverage access to the largest, and most effective international geoscience program.
Results from drilling within Australia's marine jurisdiction will give understanding of the oceans' state under past climates through high resolution records of the range of oceanographic and biological responses to climate change, the role of the deep biosphere in shapin ....Australian Membership of the Integrated Ocean Drilling Program. Membership of the Integrated Ocean Drilling Program (IODP) will provide high-leverage access to the largest, and most effective international geoscience program.
Results from drilling within Australia's marine jurisdiction will give understanding of the oceans' state under past climates through high resolution records of the range of oceanographic and biological responses to climate change, the role of the deep biosphere in shaping oil and gas deposits, hydrothermal and igneous processes involved in ore genesis, and enhanced understanding of some of the world's largest earthquake- and tsunami-generating processes.
Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0561224
Funder
Australian Research Council
Funding Amount
$267,767.00
Summary
14CHRONOS (Chronologies from High-ResolutiON Organic Separations): a centre for radiocarbon dating of specific compounds for the environmental and archaeological sciences. Accurate timekeeping is central to the environmental and archaeological sciences. Radiocarbon dating is the leading geochronological technique for events of the past 50,000 years, but the issue for sample contamination remains a major source of concern. Avoidance of contaminants can be achieved through the identification of sp ....14CHRONOS (Chronologies from High-ResolutiON Organic Separations): a centre for radiocarbon dating of specific compounds for the environmental and archaeological sciences. Accurate timekeeping is central to the environmental and archaeological sciences. Radiocarbon dating is the leading geochronological technique for events of the past 50,000 years, but the issue for sample contamination remains a major source of concern. Avoidance of contaminants can be achieved through the identification of specific biomolecular compounds that unambiguously formed part of the original sample, and the isolation of these biomolecules for radiocarbon dating using accelerator mass spectrometry. Here we request funds to establish Australia's first compound-specific radiocarbon dating facility, to obtain ages of high accuracy for key studies of climate and landscape change, evolutionary biology and archaeology.Read moreRead less