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View article: Iron oxide copper–gold potential of Australia using a hybrid data- and knowledge-driven approach and its implications for the formation of IOCG mineral systems
Iron oxide copper–gold potential of Australia using a hybrid data- and knowledge-driven approach and its implications for the formation of IOCG mineral systems Open
View article: Large Language Models are Autonomous Cyber Defenders
Large Language Models are Autonomous Cyber Defenders Open
Fast and effective incident response is essential to prevent adversarial cyberattacks. Autonomous Cyber Defense (ACD) aims to automate incident response through Artificial Intelligence (AI) agents that plan and execute actions. Most ACD ap…
View article: Mesoscale numerical study of size effect on concrete fracture characteristics based on FDEM
Mesoscale numerical study of size effect on concrete fracture characteristics based on FDEM Open
Fracture characteristics of concrete remains a focal point of current research. Traditional experimental approaches and finite element simulations face limitations in the study of concrete's fracture behavior. The novel combined finite-dis…
View article: Review of the development status of low-code programming software for robots
Review of the development status of low-code programming software for robots Open
View article: Application of audio-frequency magnetotelluric data to cover characterisation – validation against borehole petrophysics in the East Tennant region, Northern Australia
Application of audio-frequency magnetotelluric data to cover characterisation – validation against borehole petrophysics in the East Tennant region, Northern Australia Open
The characterisation of the thickness and geology of cover sequences significantly improves targeting for mineral exploration in buried terrains. Audio-frequency Magnetotelluric (AMT) data is applicable to characterise cover sequences, whe…
View article: Understanding space weather hazard in the Australian high-voltage power transmission lines using geomagnetic and magnetotelluric data
Understanding space weather hazard in the Australian high-voltage power transmission lines using geomagnetic and magnetotelluric data Open
Geoscience Australia's geomagnetic observatory network covers one-eighth of the Earth. The first Australian geomagnetic observatory was established in Hobart in 1840. This almost continuous 180-year period of magnetic-field monitoring prov…
View article: Zinc on the edge—isotopic and geophysical evidence that cratonic edges control world-class shale-hosted zinc-lead deposits
Zinc on the edge—isotopic and geophysical evidence that cratonic edges control world-class shale-hosted zinc-lead deposits Open
The North Australian Zinc Belt is the largest zinc-lead province in the world, containing three of the ten largest known individual deposits (HYC, Hilton-George Fisher, and Mount Isa). The Northern Cordillera in North America is the second…
View article: Probabilistic inversion of audio-frequency magnetotelluric data and application to cover thickness estimation for mineral exploration in Australia
Probabilistic inversion of audio-frequency magnetotelluric data and application to cover thickness estimation for mineral exploration in Australia Open
We have applied a Bayesian inference algorithm and released open-source code for the 1D inversion of audio-frequency magnetotelluric data. The algorithm uses a trans-dimensional Markov chain Monte Carlo technique to solve for a probabilist…
View article: Lithospheric conductors reveal source regions of convergent margin mineral systems
Lithospheric conductors reveal source regions of convergent margin mineral systems Open
View article: Application of multiscale magnetotelluric data to mineral exploration: an example from the east Tennant region, Northern Australia
Application of multiscale magnetotelluric data to mineral exploration: an example from the east Tennant region, Northern Australia Open
SUMMARY The footprint of a mineral system is potentially detectable at a range of scales and lithospheric depths, reflecting the size and distribution of its components. Magnetotellurics is one of a few techniques that can provide multisca…
View article: Metadata standards for magnetotelluric time-series data
Metadata standards for magnetotelluric time-series data Open
View article: Lithospheric resistivity structures and mineral prospectivity from AusLAMP data in northern Australia
Lithospheric resistivity structures and mineral prospectivity from AusLAMP data in northern Australia Open
Magnetotelluric (MT) data allow geoscientists to investigate the link between mineralisation and lithospheric-scale features and processes. In particular, the highly conductive structures imaged by MT data appear to map the pathways of lar…
View article: Australian geomagnetic observatory network monitors space weather hazard - 180 years on
Australian geomagnetic observatory network monitors space weather hazard - 180 years on Open
Geoscience Australia's geomagnetic observatory network covers one-eighth of the Earth. The first Australian geomagnetic observatory was established in 1840 in Hobart. This almost continuous 180-year period of magnetic-field monitoring prov…
View article: The Delamerian Orogen- An overview of the resistivity structure across scales
The Delamerian Orogen- An overview of the resistivity structure across scales Open
Here we present 3D and 2D resistivity models of the lithosphere beneath an area of southeast Australia, derived from the Australian Lithospheric Architecture Magnetotelluric Project (AusLAMP) and a subsequent infill broadband MT transect c…
View article: Multi-scale magnetotelluric surveys - mapping from the lithosphere to the near surface for mineral systems
Multi-scale magnetotelluric surveys - mapping from the lithosphere to the near surface for mineral systems Open
Geoscience Australia has undertaken a series of integrated studies to map the footprint of mineral systems at multiple scales. We have used long-period data from the Australian Lithospheric Architecture Magnetotelluric Project (AusLAMP) to…
View article: Continental shelf marine MT feasibility study in the Spencer Gulf, South Australia
Continental shelf marine MT feasibility study in the Spencer Gulf, South Australia Open
Data from 12 new marine magnetotelluric (MT) stations have been acquired on the ocean-bottom of the Spencer Gulf, extending the land MT profile that crosses the Eyre Peninsula. The primary goal of the project was to determine the feasibili…
View article: Lower crustal resistivity signature of an orogenic gold system
Lower crustal resistivity signature of an orogenic gold system Open
View article: Geoelectric structure of Tasmania from multi-scale magnetotelluric data
Geoelectric structure of Tasmania from multi-scale magnetotelluric data Open
The current understanding of Tasmania’s enigmatic tectonic history has been informed by geological information observed or sampled at the Earth’s surface coupled with geophysical data sets sensitive to magnetic, density and seismic propert…
View article: North Australian Craton iron oxide-copper-gold (IOCG) mineral potential assessment: geospatial data
North Australian Craton iron oxide-copper-gold (IOCG) mineral potential assessment: geospatial data Open
Following the successful outcomes of the Tennant Creek-Mt Isa (TISA) mineral potential assessment (Murr et al., 2019; Skirrow et al., 2019), the methodology has been expanded to encompass the entire North Australian Craton (NAC). Like its …
View article: Lithospheric architecture of a Phanerozoic orogen from magnetotellurics: AusLAMP in the Tasmanides, southeast Australia
Lithospheric architecture of a Phanerozoic orogen from magnetotellurics: AusLAMP in the Tasmanides, southeast Australia Open
We present a resistivity model of the southern Tasmanides of southeastern Australia using Australian Lithospheric Architecture Magnetotelluric Project (AusLAMP) data. Modelled lower crustal conductivity anomalies resemble concentric geomet…
View article: Application of audio-magnetotelluric method to cover thickness estimation for drill site targeting
Application of audio-magnetotelluric method to cover thickness estimation for drill site targeting Open
SummaryCover thickness estimation is critical to mineral exploration effectiveness in covered terrains. Geophysical methods are able to detect physical properties contrasts in different earth materials without seeing them. We present the a…
View article: Mapping Deep Electrical Conductivity Structure in the Mount Isa region, Northern Australia: Implications for Mineral Prospectivity
Mapping Deep Electrical Conductivity Structure in the Mount Isa region, Northern Australia: Implications for Mineral Prospectivity Open
The Mount Isa Province in northern Australia is one of the world's most strongly endowed regions for base metals and host to major iron–oxide–copper–gold (IOCG) deposits. The Carpentaria conductivity anomaly at the eastern margin of the pr…
View article: Crustal Structure of the Eastern Arunta Region, Central Australia, From Magnetotelluric, Seismic, and Magnetic Data
Crustal Structure of the Eastern Arunta Region, Central Australia, From Magnetotelluric, Seismic, and Magnetic Data Open
We present a 3‐D inversion of magnetotelluric data acquired along a 340‐km transect in Central Australia. The results are interpreted with a coincident deep crustal seismic reflection survey and magnetic inversion. The profile crosses thre…
View article: Mapping iron oxide Cu-Au (IOCG) mineral potential in Australia using a knowledge-driven mineral systems-based approach
Mapping iron oxide Cu-Au (IOCG) mineral potential in Australia using a knowledge-driven mineral systems-based approach Open
Iron oxide copper-gold (IOCG) deposits are consequences of lithospheric- to deposit-scale earth processes, and form where there was a coincidence of ore-forming processes in space and time. Building on previous conceptualisations we view a…
View article: The MTPy software package for magnetotelluric data analysis and visualisation
The MTPy software package for magnetotelluric data analysis and visualisation Open
View article: East Tennant Magnetotelluric Survey, Northern Territory, Australia
East Tennant Magnetotelluric Survey, Northern Territory, Australia Open
The East Tennant Magnetotelluric Survey
View article: Iron oxide copper-gold (IOCG) mineral potential assessment for the Tennant Creek – Mt Isa region: geospatial data
Iron oxide copper-gold (IOCG) mineral potential assessment for the Tennant Creek – Mt Isa region: geospatial data Open
Iron oxide copper-gold (IOCG) mineral potential assessment for the Tennant Creek – Mt Isa region: geospatial data
View article: Resistivity model derived from magnetotellurics: AusLAMP-TISA project
Resistivity model derived from magnetotellurics: AusLAMP-TISA project Open
Resistivity model derived from magnetotellurics: AusLAMP-TISA project
View article: The conductivity structure of the Georgina-Arunta region from magnetotelluric data
The conductivity structure of the Georgina-Arunta region from magnetotelluric data Open
We present an updated resistivity model from inversion of the 09GA-GA1 deep magnetotelluric survey, also known as the Georgina-Arunta survey. The data were originally collected in 2009 under Geoscience Australia’s Onshore Energy Security P…
View article: Magnetotelluric, Basin Structure and Hydrodynamics; South West of Western Australia
Magnetotelluric, Basin Structure and Hydrodynamics; South West of Western Australia Open
A prominent TE and TM mode split is observed in magnetotelluric (MT) data below 0.5 Hz collected in the Perth Basin over the Harvey Ridge, Western Australia. We investigate the causes of mode splitting and consider implications on inversio…