Earth & Environmental Sciences
Romain Vaucher
- Senior Lecturer, Sedimentology
- romain.vaucher@jcu.edu.au
Rafael Cabral Carvalho
- Lecturer, Marine Geoscience
- rafael.cabralcarvalho@jcu.edu.au
Youseph Ibrahim
- Lecturer, Geoscience
- youseph.ibrahim@jcu.edu.au
Natalie Robson
- Postdoctoral Research Fellow, Land and Sea Management
- natalie.robson@jcu.edu.au
Alexandre Wadoux
- Lecturer, Soil Science
- alexandre.wadoux@jcu.edu.au
Alica Hoess
- Postdoctoral Research Fellow, Neutron Tomography Scanner
- alica.hoess@jcu.edu.au
Phoebe Stewart-Sinclair
- Lecturer, Environmental Science
- phoebe.stewartsinclair@jcu.edu.au
Bethany Smith
- Postdoctoral Research Fellow
- bethany.smith1@jcu.edu.au
Brandon Mahan
- Adjunct Senior Lecturer
- brandon.mahan@jcu.edu.au
Hannah Green
- Research Officer
- hannah.green@jcu.edu.au
Exploratory study of effects of sample storage/stabilisation on Cu isotope compositions of groundwater, and linkage between groundwater and proximal soil profiles. (Old ID 29017)
The aims of this collaborative project between JCU and Geoscience Australia are simple. Geoscience Australia have legacy groundwater samples from active bores through their previous hydrogeochemical surveys (e.g. Northern Australia Hydrogeochemical Survey), where both acidified and unacidified samples have been kept in storage, some for up to several years. Copper concentrations measured at/near the time of sampling are variable, with some being in the sub-ppb range and others significantly higher. For some bores, proximal soil and rock samples are also available. This project will leverage all the above towards the following objectives: 1. Analyse Cu concentrations and isotope compositions for a small cohort of legacy groundwater samples (~10). 2. Analyse Cu isotope compositions in proximity-matched soil/rock samples. Where spatially matched soil and/or core rock samples are available, an additional subset of these solid samples will be processed and analysed to characterize their Cu isotope compositions and compare to that of matched groundwater samples. 3. Collate all results and jointly interpret with Geoscience Australia
Add mountains and shake: fault and earthquake pattern controls in active plate boundaries. (Old ID 27639)
Transpressional mountain building occurs when tectonic plate boundaries undergo shortening and shearing parallel and perpendicular to the plate boundary. Such regions are characterised by mountains, interacting fault networks, earthquakes, volcanoes and ore deposits. We aim to determine the fundamental physical processes that link topography, seismicity, volcanism and the evolution of fault networks in these mountain belts. This work will: determine fault patterns, seismic and volcanic hazards in transpressional mountain belts, determine how seismicity modulates fault pathways, determine how high topography affects fault networks, seismic and volcanic unrest, and provide a new framework for mineral exploration at these plate boundaries.
X-ray tomography of Archean putative trace fossils and microfossils (Old ID 23652)
The 2700 Ma metasediments from the Tanzania lCratpon contain centimeter size structures that resemble Phanerozoic trace fossils. They have a tube-like shape with an s-like curcature and are more than 15 centimeters long. Thin section studies and elemental mapping revealed that the grain size and comp;osition of the 'concretions' are very different from the surrounding matrix. They contain a complex internal structure which is inconsistent with an inorganic origin opening the extraoredinary possibility for the existence of complex life forms 2700 Ma ago.
Timing of Geological Events at Mt Clark Breccia Complex - Honours Project. (Old ID 27184)
The proposed Honours project will attempt to establish a relative timing of geological events at the Mt Clark breccia complex by defining of a sequence of geological and hydrothermal events. This should include the characterization of alteration mineralogy and metal zonation within the project area and defining the sequence in which hydrothermal events (veins, breccias and intrusions) occurred. The work should integrate field and drill core observations, sample analysis and any other required methods to produce a paragenetic sequence of events that led to gold mineralisation at the Mt Clark project.
Gamba Grass Effects on Savanna Carbon and Fire (Old ID 22227)
To provide soil analysis and data.
Spatially integrated Portfolio Approach to support a portfolio of livelihoods. (Old ID 27105)
The Integrated Livelihoods Approach (ILA) provides an approach to diagnose and help navigate interrelated and cumulative impacts, trade-offs and co-benefits of interacting livelihood activities occurring in spatially defined coastal areas. Participatory and interdisciplinary research, integrated governance, negotiation, trust-building, ongoing conflict management, and cross-sectoral and political engagement are central to the ILA. This project will establish the mechanisms for achieving the strengthened networks, integrated governance and policy, and improved planning required to implement an ILA in Western Province, Solomon Islands, with the potential to scale-up to other locations.
Waters of Jericho Part 2: Refining the Cu isotope characterization of waters overlying IOCG-style deposits in the Mt Isa Block (Jericho and Eloise deposits) (Old ID 27190)
The Department and JCU have an ongoing Project Schedule under the existing Umbrella Research Agreement ("Waters of Jericho: Characterizing the Cu isotope composition of waters overlying IOCG-style deposits in the Mt Isa Block (Jericho and Eloise deposits"). This project has produced significant initial results for ~40 borehole water samples that indicate a clear Cu isotope anomaly (higher 65Cu) proximal to known ore deposits within the field area (which drops off distal to deposits). These findings have led The Department and JCU to pursue an expansion of this investigation by re-sampling approximately 60-90% of the same boreholes as previously sampled (depending on field sampling availability/viability), and to characterize their Cu isotope composition, in order to test potential influences on Cu isotope compositions in groundwater by changes in season (e.g. late dry season vs post wet season).
Life and death of Australopithicus sediba: how a potential ancestor ended up dead in a cave in world heritage site in South Africa (Old ID 20796)
In August 2008 the remarkable Malapa fossil site was discovered with remains of the first and only fossils of Australopithecus sediba - a potential direct human ancestor. The fossils are in an exceptional state of preservation, and excavations will start in late 2013, creating a unique opportunity to develop a detailed understanding of the chemical, physical and biological factors that led to burial and fossilisation. This research will focus on the complex interplay between termites, sediment chemistry, landscape conditions and palaeo-climate as contributing factors to fossil preservation. Results will document the environment in which sediba lived and died, and assist future exploration for hominid fossils.
X-ray fluorescence microscopy of Archean macro and microfossils (Old ID 23649)
The 2700 Ma metasediments from the Archean Tanzania Craton contain centimeter size “concretionary” structures that resemble Phanerozoic trace fossils and unusually large and complexly shaped microfossils. Thin section studies and EPMA elemental mapping revealed that the grain size and composition of the “concretions” are very different from the surrounding matrix. They contain a complex internal structure, which is inconsistent with an inorganic origin suggesting the existence of complex life forms 2700 Ma ago. Herein we ask for beam-time to collect detailed high resolution and high sensitivity compositional data for the macrofossils and the microfossils.
Cairns POM morphology mapping (Old ID 26492)
This research will generate the most accurate and up-to-date 3D depth model for the Cairns Plan of Management (POM) area, at the 30m pixel resolution, using all the available source bathymetry data for this region. This fundamental dataset will then be used to derive a Morphology-Surface, as per the proposed structure of the national Seafloor GeoMorphology (NSGM) mapping scheme, being developed by Geoscience Australia. This involves the semi-automatic derivation of morphological surfaces from bathymetric data into Plan, Slope and Escarpment classes.
Organic matter, sodicity and soil structure
- 1998
- Oxford University Press
- Researchers:Paul Nelson
Seafloor morphology and acoustic facies of the George V Land shelf
- 2003
- Researchers:Rob Beaman
Title:
PhD, James Cook University
End Date:
01 Jan 2010
End Date:
01 Jan 2003
Start Date:
01 Jan 2020
End Date:
01 Jan 2025
Start Date:
01 Jan 2023
End Date:
01 Jan 2025
Title:
JCU Distinguished Professor
Start Date:
01 Jan 2010
Start Date:
01 Jan 2019
Title:
Malayalam
Title:
English
Title:
Tamil
Title:
Hindi