ORCID Profile
0000-0002-6591-9777
Current Organisation
Western Australia Department of Mines Industry Regulation and Safety
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In Research Link Australia (RLA), "Research Topics" refer to ANZSRC FOR and SEO codes. These topics are either sourced from ANZSRC FOR and SEO codes listed in researchers' related grants or generated by a large language model (LLM) based on their publications.
Geology | Structural Geology | Tectonics | Geodynamics | Geophysics not elsewhere classified | Seismology and Seismic Exploration | Geophysics | Stochastic Analysis and Modelling | Ore Deposit Petrology | Simulation And Modelling | Geochemistry | Information Systems | Inorganic Geochemistry | Natural Resource Management | Basin Analysis | Geochronology | Isotope Geochemistry | Artificial Intelligence and Image Processing not elsewhere classified | Interorganisational Information Systems | Geology not elsewhere classified |
Mineral Exploration not elsewhere classified | Expanding Knowledge in the Earth Sciences | Primary Mining and Extraction of Mineral Resources not elsewhere classified | Environmental and Natural Resource Evaluation not elsewhere classified | Navy | Information processing services | Energy Exploration not elsewhere classified | Oil and gas | Higher education | Earth sciences | Mineral Resources (excl. Energy Resources) not elsewhere classified | Precious (Noble) Metal Ore Exploration | Copper Ore Exploration
Publisher: Elsevier BV
Date: 07-2014
Publisher: Elsevier BV
Date: 02-2016
Publisher: Elsevier BV
Date: 02-2022
Publisher: Elsevier BV
Date: 11-2013
Publisher: Oxford University Press (OUP)
Date: 20-06-2017
DOI: 10.1093/GJI/GGX264
Publisher: Springer Science and Business Media LLC
Date: 20-01-2020
Publisher: Elsevier BV
Date: 08-2017
Publisher: Elsevier BV
Date: 06-2015
Publisher: Elsevier BV
Date: 07-2013
Publisher: Springer Science and Business Media LLC
Date: 05-12-2019
DOI: 10.1038/S41467-019-13547-X
Abstract: Much of the present-day volume of Earth’s continental crust had formed by the end of the Archean Eon, 2.5 billion years ago, through the conversion of basaltic (mafic) crust into sodic granite of tonalite, trondhjemite and granodiorite (TTG) composition. Distinctive chemical signatures in a small proportion of these rocks, the so-called high-pressure TTG, are interpreted to indicate partial melting of hydrated crust at pressures above 1.5 GPa ( km depth), pressures typically not reached in post-Archean continental crust. These interpretations significantly influence views on early crustal evolution and the onset of plate tectonics. Here we show that high-pressure TTG did not form through melting of crust, but through fractionation of melts derived from metasomatically enriched lithospheric mantle. Although the remaining, and dominant, group of Archean TTG did form through melting of hydrated mafic crust, there is no evidence that this occurred at depths significantly greater than the ~40 km average thickness of modern continental crust.
Publisher: Oxford University Press (OUP)
Date: 31-05-2021
DOI: 10.1093/GJI/GGAB214
Abstract: In contrast to global observations in stable continental crust, the present-day orientation of the maximum horizontal stress in Western Australia is at a high angle to plate motion, suggesting that in addition to large-scale plate driving forces, local factors also play an important role in stress repartitioning. As a reliable stress indicator, full waveform moment tensor solutions are calculated for earthquakes that occurred between 2010 and 2018 in the southern Yilgarn Craton and the adjacent Albany-Fraser Orogen in southwestern Australia. Due to regional velocity heterogeneities in the crust, we produced two geographically distinct shear wave velocity models by combining published crustal velocity models with new ambient noise tomography results. We applied a full waveform inversion technique to 15 local earthquakes and obtained 10 robust results. Three of these events occurred near Lake Muir in the extreme south of the study area within the Albany-Fraser Orogen. The focal mechanism of the 16th September 2018 Lake Muir event is thrust two ML≥ 4.0 aftershocks are normal and strike-slip. Our results are consistent with field observations, fault orientations inferred from aeromagnetic data and surface displacements mapped by Interferometric Synthetic Aperture Radar which are all consistent with reactivation of existing faults. The other seven solutions are in the southeastern Yilgarn Craton. These solutions show that the faulting mechanisms are predominantly thrust and strike-slip. This kinematic framework is consistent with previous studies that linked active seismicity in the Yilgarn Craton to the reactivation of the NNW–SSE oriented Neoarchean structures by an approximately E–W oriented regional stress field. Our results suggest that the kind of faulting that occurs in southwest Australia is critically dependent on the local geological structure. Thrust faulting is the dominant rupture mechanism, with some strike-slip faulting occurring on favourably oriented structures.
Publisher: American Geophysical Union (AGU)
Date: 12-2018
DOI: 10.1029/2018JB015795
Publisher: Informa UK Limited
Date: 25-07-2011
Publisher: Elsevier BV
Date: 04-2006
Publisher: Seismological Society of America (SSA)
Date: 18-01-2023
DOI: 10.1785/0220220323
Abstract: The geological structure of southwest Australia comprises a rich, complex record of Precambrian cratonization and Phanerozoic continental breakup. Despite the stable continental cratonic geologic history, over the past five decades the southwest of Western Australia has been the most seismically active region in continental Australia, though the reason for this activity is not yet well understood. The Southwest Australia Seismic Network (SWAN) is a temporary broadband network of 27 stations that was designed to both record local earthquakes for seismic hazard applications and provide the opportunity to dramatically improve the rendering of 3D seismic structure in the crust and mantle lithosphere. Such seismic data are essential for better characterization of the location, depth, and attenuation of the regional earthquakes, and hence understanding of earthquake hazard. During the deployment of these 27 broadband instruments, a significant earthquake swarm occurred that included three earthquakes of local magnitude 4.0 and larger, and the network was supplemented by an additional six short-term nodal seismometers at 10 separate sites in early 2022, as a rapid deployment to monitor this swarm activity. The SWAN experiment has been continuously recording since late 2020 and will continue into 2023. These data are archived at the International Federation of Digital Seismograph Networks (FDSN) - recognized Australian Passive Seismic (AusPass) Data center under network code 2P and will be publicly available in 2025.
Publisher: Geological Society of America
Date: 2004
Publisher: Public Library of Science (PLoS)
Date: 18-10-2021
Publisher: Wiley
Date: 29-08-2003
Publisher: Copernicus GmbH
Date: 11-12-2020
Abstract: Abstract. Porosity reduction in rocks from a fault core can cause elevated pore fluid pressures and consequently influence the recurrence time of earthquakes. We investigated the porosity distribution in the New Zealand's Alpine Fault core in s les recovered during the first phase of the Deep Fault Drilling Project (DFDP-1B) by using two-dimensional nanoscale and three-dimensional microscale imaging. Synchrotron X-ray microtomography-derived analyses of open pore spaces show total microscale porosities in the range of 0.1 %–0.24 %. These pores have mainly non-spherical, elongated, flat shapes and show subtle bipolar orientation. Scanning and transmission electron microscopy reveal the s les' microstructural organization, where nanoscale pores ornament grain boundaries of the gouge material, especially clay minerals. Our data imply that (i) the porosity of the fault core is very small and not connected (ii) the distribution of clay minerals controls the shape and orientation of the associated pores (iii) porosity was reduced due to pressure solution processes and (iv) mineral precipitation in fluid-filled pores can affect the mechanical behavior of the Alpine Fault by decreasing the already critically low total porosity of the fault core, causing elevated pore fluid pressures and/or introducing weak mineral phases, and thus lowering the overall fault frictional strength. We conclude that the current state of very low porosity in the Alpine Fault core is likely to play a key role in the initiation of the next fault rupture.
Publisher: American Geophysical Union (AGU)
Date: 12-2017
DOI: 10.1002/2017GC007278
Publisher: Association for Research in Vision and Ophthalmology (ARVO)
Date: 28-06-2022
DOI: 10.1167/IOVS.63.6.29
Publisher: Springer Science and Business Media LLC
Date: 07-04-2009
Publisher: Springer Science and Business Media LLC
Date: 04-04-2009
Publisher: Springer Science and Business Media LLC
Date: 10-03-2009
Publisher: Geological Society of America
Date: 2008
DOI: 10.1130/G24779A.1
Publisher: Springer Science and Business Media LLC
Date: 22-12-2022
DOI: 10.1038/S41467-022-35208-2
Abstract: Converging lines of evidence suggest that, during the late Archean, Earth completed its transition from a stagnant-lid to a plate tectonics regime, although how and when this transition occurred is debated. The geological record indicates that some form of subduction, a key component of plate tectonics—has operated since the Mesoarchean, even though the tectonic style and timescales of burial and exhumation cycles within ancient convergent margins are poorly constrained. Here, we present a Neoarchean pressure–temperature–time ( P–T–t ) path from supracrustal rocks of the transpressional Yilgarn orogen (Western Australia), which documents how sea-floor-altered rocks underwent deep burial then exhumation during shortening that was unrelated to the episode of burial. Archean subduction, even if generally short-lived, was capable of producing eclogites along converging lithosphere boundaries, although exhumation processes in those environments were likely less efficient than today, such that return of high-pressure rocks to the surface was rare.
Publisher: Elsevier BV
Date: 04-2006
Publisher: Elsevier BV
Date: 10-2014
Publisher: American Geophysical Union (AGU)
Date: 04-2007
DOI: 10.1029/2004TC001768
Publisher: Springer Berlin Heidelberg
Date: 2009
Publisher: Geological Society of London
Date: 09-2001
Abstract: Significant along-strike variations have locked large parts of the Alpine subduction complex in the Eastern Mediterranean in the Eocene, and defined the end of high-pressure accretion in western Turkey. Structural analysis reveals that the Anatolide belt in western Turkey formed under greenschist facies metamorphic conditions in the Eocene when a high-pressure metamorphic fragment of the Adriatic plate (the Cycladic blueschist unit) was thrust onto the imbricated mid-crustal units of the Anatolian microcontinent (the Menderes nappes). The contact between the Cycladic blueschist unit and the Menderes nappes, the Cyclades–Menderes thrust, represents an out-of-sequence r which cuts up-section towards the south. The lack of Alpine high-pressure fabrics below the Cyclades–Menderes thrust implies c. 35 km of exhumation of the Cycladic blueschist prior to its Eocene emplacement on top of the Menderes nappes. Structure and geodynamic evolution of the Anatolide belt are in striking contrast to the neighbouring Aegean and contradict the model of a laterally continuous orogenic zone, in which the Anatolide microcontinent is interpreted as an eastern extension of the Adriatic plate.
Publisher: Informa UK Limited
Date: 17-11-2015
Publisher: Springer Science and Business Media LLC
Date: 23-05-2016
Publisher: Informa UK Limited
Date: 12-2011
Publisher: Geological Society of London
Date: 2004
Publisher: American Geophysical Union (AGU)
Date: 30-05-2013
DOI: 10.1002/TECT.20031
Publisher: Elsevier BV
Date: 10-2014
Publisher: Elsevier BV
Date: 04-2006
Publisher: Elsevier BV
Date: 03-2017
Publisher: The Royal Society
Date: 09-07-2018
Abstract: Three-dimensional models of natural geological fold systems established by photogrammetry are quantified in order to constrain the processes responsible for their formation. The folds are treated as nonlinear dynamical systems and the quantification is based on the two features that characterize such systems, namely their multifractal geometry and recurrence quantification. The multifractal spectrum is established using wavelet transforms and the wavelet transform modulus maxima method, the generalized fractal or Renyi dimensions and the Hurst exponents for longitudinal and orthogonal sections of the folds. Recurrence is established through recurrence quantification analysis (RQA). We not only examine natural folds but also compare their signals with synthetic signals comprising periodic patterns with superimposed noise, and quasi-periodic and chaotic signals. These results indicate that the natural fold systems analysed resemble periodic signals with superimposed chaotic signals consistent with the nonlinear dynamical theory of folding. Prediction based on nonlinear dynamics, in this case through RQA, takes into account the full mechanics of the formation of the geological system. This article is part of the theme issue ‘Redundancy rules: the continuous wavelet transform comes of age’.
Publisher: Public Library of Science (PLoS)
Date: 12-05-2021
DOI: 10.1371/JOURNAL.PGEN.1009497
Abstract: Optical Coherence Tomography (OCT) enables non-invasive imaging of the retina and is used to diagnose and manage ophthalmic diseases including glaucoma. We present the first large-scale genome-wide association study of inner retinal morphology using phenotypes derived from OCT images of 31,434 UK Biobank participants. We identify 46 loci associated with thickness of the retinal nerve fibre layer or ganglion cell inner plexiform layer. Only one of these loci has been associated with glaucoma, and despite its clear role as a biomarker for the disease, Mendelian randomisation does not support inner retinal thickness being on the same genetic causal pathway as glaucoma. We extracted overall retinal thickness at the fovea, representative of foveal hypoplasia, with which three of the 46 SNPs were associated. We additionally associate these three loci with visual acuity. In contrast to the Mendelian causes of severe foveal hypoplasia, our results suggest a spectrum of foveal hypoplasia, in part genetically determined, with consequences on visual function.
Publisher: Elsevier BV
Date: 07-2017
Publisher: Springer Science and Business Media LLC
Date: 19-03-2020
DOI: 10.1038/S42003-020-0802-Y
Abstract: Corneal curvature, a highly heritable trait, is a key clinical endophenotype for myopia - a major cause of visual impairment and blindness in the world. Here we present a trans-ethnic meta-analysis of corneal curvature GWAS in 44,042 in iduals of Caucasian and Asian with replication in 88,218 UK Biobank data. We identified 47 loci (of which 26 are novel), with population-specific signals as well as shared signals across ethnicities. Some identified variants showed precise scaling in corneal curvature and eye elongation (i.e. axial length) to maintain eyes in emmetropia (i.e. HDAC11 / FBLN2 rs2630445, RBP3 rs11204213) others exhibited association with myopia with little pleiotropic effects on eye elongation. Implicated genes are involved in extracellular matrix organization, developmental process for body and eye, connective tissue cartilage and glycosylation protein activities. Our study provides insights into population-specific novel genes for corneal curvature, and their pleiotropic effect in regulating eye size or conferring susceptibility to myopia.
Publisher: Springer Science and Business Media LLC
Date: 24-02-2021
DOI: 10.1038/S41467-020-20851-4
Abstract: Primary open-angle glaucoma (POAG), is a heritable common cause of blindness world-wide. To identify risk loci, we conduct a large multi-ethnic meta-analysis of genome-wide association studies on a total of 34,179 cases and 349,321 controls, identifying 44 previously unreported risk loci and confirming 83 loci that were previously known. The majority of loci have broadly consistent effects across European, Asian and African ancestries. Cross-ancestry data improve fine-mapping of causal variants for several loci. Integration of multiple lines of genetic evidence support the functional relevance of the identified POAG risk loci and highlight potential contributions of several genes to POAG pathogenesis, including SVEP1, RERE, VCAM1, ZNF638 , CLIC5, SLC2A12, YAP1, MXRA5 , and SMAD6 . Several drug compounds targeting POAG risk genes may be potential glaucoma therapeutic candidates.
Publisher: Elsevier BV
Date: 05-2018
Publisher: Geological Society of America
Date: 2008
DOI: 10.1130/GES00145.1
Publisher: Elsevier BV
Date: 2014
Publisher: Elsevier BV
Date: 05-2020
Publisher: Elsevier BV
Date: 07-2005
Publisher: Geological Society of London
Date: 28-07-2017
DOI: 10.1144/SP453.7
Publisher: Springer Science and Business Media LLC
Date: 10-04-2009
Publisher: Springer Science and Business Media LLC
Date: 06-05-2009
Publisher: Cambridge University Press (CUP)
Date: 07-2003
DOI: 10.1017/S0016756803007878
Abstract: Thermochronological data reveal that the Late Cretaceous–Tertiary nappe pile of the Anatolide belt of western Turkey displays a two-stage cooling history. Three crustal segments differing in structure and cooling history have been identified. The Central Menderes metamorphic core complex represents an ‘inner’ axial segment of the Anatolide belt and exposes the lowest structural levels of the nappe pile, whereas the two ‘outer’ submassifs, the Gördes submassif to the north and the Çine submassif to the south, represent higher levels of the nappe pile. A regionally significant phase of cooling in the Late Oligocene and Early Miocene affected the outer two submassifs and the upper structural levels of the Central Menderes metamorphic core complex. In the northern part of the Gördes submassif, cooling was related to top-to-the-NNE movement on the Simav detachment, as the apatite fission-track ages show a northward-younging trend in the direction of movement on this detachment. In the Çine submassif, relatively rapid cooling in Late Oligocene and Early Miocene times may have been related to top-to-the-S extensional reactivation of the basal thrust of the overlying Lycian nappes. The second phase of cooling in the Anatolide belt is related to Pliocene to Recent extension resulting in the formation of the Central Menderes metamorphic core complex in the inner part of the Anatolide belt. Core-complex development caused the formation of supra-detachment graben, which document the ongoing separation of the Central Menderes metamorphic core complex from the outer submassifs.
Publisher: American Geophysical Union (AGU)
Date: 03-2007
DOI: 10.1029/2005TC001872
Publisher: Geological Society of London
Date: 26-10-2017
DOI: 10.1144/SP453.12
Publisher: Elsevier BV
Date: 10-2016
Publisher: Geological Society of America
Date: 2001
Publisher: Society of Economic Geologists
Date: 12-2006
Publisher: Society of Economic Geologists
Date: 17-06-2016
Publisher: Geological Society of London
Date: 1999
Publisher: Geological Society of London
Date: 2018
DOI: 10.1144/SP453.16
Abstract: Economically viable concentrations of mineral resources are uncommon among the predominantly silicate-dominated rocks in Earth's crust. Most ore deposits that were mined in the past or are currently being extracted were found at or near Earth's surface, often serendipitously. To meet the future demand for mineral resources, exploration success hinges on identifying targets at depth, which, on the one hand, requires advances in detection and interpretation techniques for geophysical and geochemical data. On the other hand, however, our knowledge of the chain of events that lead to ore deposit formation is limited. As geoscience embraces an integrated Earth systems approach, considering the geodynamic context of ore deposits can provide a step change in understanding why, how, when and where geological systems become ore-forming systems. Contributions to this volume address the future resources challenge by: (i) applying advanced microscale geochemical detection and characterization methods (ii) introducing more rigorous 3D Earth models (iii) exploring critical behaviour and coupled processes (iv) evaluating the role of geodynamic and tectonic setting and (v) applying 3D structural models to characterize specific ore-forming systems.
Publisher: Springer Science and Business Media LLC
Date: 26-04-2001
Location: No location found
Location: Australia
Location: Australia
Location: Australia
Start Date: 06-2015
End Date: 06-2018
Amount: $320,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 05-2010
End Date: 07-2012
Amount: $160,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 06-2011
End Date: 12-2018
Amount: $12,400,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 04-2023
End Date: 04-2026
Amount: $537,675.00
Funder: Australian Research Council
View Funded ActivityStart Date: 07-2020
End Date: 06-2024
Amount: $442,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 01-2004
End Date: 06-2004
Amount: $30,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 11-2018
End Date: 06-2024
Amount: $711,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 03-2011
End Date: 12-2015
Amount: $550,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 10-2013
End Date: 12-2017
Amount: $300,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 08-2020
End Date: 08-2024
Amount: $1,055,000.00
Funder: Australian Research Council
View Funded Activity