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Closing the gap between ground and airborne IP data modelling
- Publication Name: AEGC 2021
- Authors: A. Viezzoli, G. Fiandaca
- Date Published: September 2021
Abstract:
Modelling of Induced Polarization in AEM data (AIP) has recently been used more often in exploration. Which demands for more research to address the fundamental question “how does AIP compare to ground IP?”. Beside some of the well-known differen...
Laboratory study of temperature variation effects on Distributed Acoustic Sensing measurements
- Publication Name: AEGC 2021
- Authors: Sidenko E., Pevzner R., Tertyshnikov K. and Lebedev M.
- Date Published: September 2021
Abstract:
Fibre-Optic sensing is being actively used nowadays in various exploration and monitoring applications. Distributed Temperature Sensing (DTS) is used for measurements and monitoring of the temperature. Distributed Acoustic Sensing (DAS) is used to re...
Landscape and Pattern Similarity Analysis for gold exploration
- Publication Name: AEGC 2021
- Authors: González-Álvarez, Rondón-González, Ibrahimi, Lau et al.
- Date Published: September 2021
Abstract:
Covers geochemical landscape evolution and Pattern Similarity Analysis at tenement scale for gold exploration in Forrestania. The present study investigates the Forrestania area, located in the Yilgarn Craton, Western Australia, as a case study to co...
The Borden Gold Deposit, northern Ontario: Contributions of VTEM helicopter time-domain EM and magnetics leading to discovery
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Marta Orta, Jean M. Legault*, Karl Kwan, Sergio Espinosa
- Date Published: September 2019
Abstract:
The Borden Gold deposit (9.3 Mt @ 5.3 g/t Au) is a structurally controlled Archean mesothermal lode gold deposit within the Kapuskasing Structural Zone, in northern Ontario. Helicopter VTEM and magnetic surveys were flown over the Borden Gold deposit...
IPEx: A lower-cost superior reconnaissance RES/IP/MT survey
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Steve Boucher*
- Date Published: September 2019
Abstract:
This paper presents a technique derived from the full MIMDAS RES/IP/MT survey called IPEx. It offers a more cost-effective, enhanced reconnaissance IP investigation in areas of post-mineral cover, ensuring that a minimumsized predefined chargeable b...
Subsurface seismic imaging using drill bit noise
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Mehdi Asgharzadeh*, Ashley Grant, Andrej Bona, Milovan Urosevic
- Date Published: September 2019
Abstract:
Acoustic signal generated by drill bit cutting action in the borehole can be recorded passively by geophones on the surface and used to produce an image of the subsurface under the geophone array. A single pilot trace is commonly recorded on the dril...
The power of the crowd and open data – learnings from the OZ Minerals Explorer open innovation challenge
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Holly Bridgwater*, Jess Robertson, Ian Anderson
- Date Published: September 2019
Abstract:
We report on the results and lessons learned from Australia’s largest minerals exploration crowdsourcing challenge - the OZ Minerals Explorer Challenge. We discuss some of the challenges in running an international competition with a large amount o...
Lithology characterisation of the roof and floor of the Moranbah measures coal seam using post-stack and pre-stack seismic inversion
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Margarita Pavlova*
- Date Published: September 2019
Abstract:
3D seismic technology has become a popular exploration and development tool among coal mining companies in Australia in the last ten years. Traditionally the main use of these seismic data is to inform the mine of the structural features such as faul...
Depth conversion and seismic inversion of the Scarborough gas field
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Joseph Kremor*, Manish Agarwal, Paul Spaans, Ung Sing Wong
- Date Published: September 2019
Abstract:
This paper shows how the application of advanced seismic processing, innovative seismic to well matching techniques and subsequent seismic inversion have resulted in a significant improvement when compared with seismic reservoir characterisation resu...
Defining the Eyre Conductivity Anomaly with the Tumby Bay MT transect
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Kate Robertson, Ben Kay, Lachlan Loader, Graham Heinson*, and Stephan Thiel
- Date Published: September 2019
Abstract:
We present results of 36 broadband magnetotelluric (MT) stations along a 70 km ENE-WSW profile across the southern Eyre Peninsula, South Australia. The transect crosses the Eyre Peninsula Anomaly (EPA), first identified by induction arrows, and visua...
The mineral factory: how to build a giant quartz reef
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Lisa Tannock*, Marco Herwegh, Alfons Berger, Klaus Regenauer-Lieb
- Date Published: September 2019
Abstract:
Giant quartz reefs can develop as part of a larger scale ‘mineral factory’ within a specific space and time, due to a series of interlinking processes and mechanisms. Ascertaining the criteria for giant quartz reef formation is based on data obta...
Resistivity structure of the Link East MT transect in the Southern Curnamona Province
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Ben Kay*, Kate Robertson, Stephan Thiel, Graham Heinson
- Date Published: September 2019
Abstract:
We present results of 18 magnetotelluric (MT) stations from the Link East transect adjacent to the 03GA-CU1 Curnamona deep crustal seismic reflection line in the southern Curnamona Province, South Australia. The transect was designed to provide resis...
Integrating hyperspectral and radiometric remote sensing, spatial topographic analysis and surface geochemistry to assist mineral exploration
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: A. S. Caruso*, K.D. Clarke, C.J. Tiddy, M.M. Lewis
- Date Published: September 2019
Abstract:
Exploration and mining companies in Australia are faced with the challenge of locating deep ore deposits potentially buried under hundreds of metres of cover sequence materials. This research aims to investigate how the integration of hyperspectral r...
Integrating fault kinematics into implicit 3D modelling of fault networks
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Lachlan Grose*, Laurent Ailleres, Gautier Laurent
- Date Published: September 2019
Abstract:
Existing 3D geological modelling methods do not incorporate fault kinematics and do not have any way of modelling interacting fault networks, e.g. duplex systems, flower structures and listric fault systems. It is difficult to build models that honou...
Identification of deep coal seam families using machine learning
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Tauqir Moughal*, Irina Emelyanova, David S. Warner, Erik C. Dunlop, Mohinudeen Faiz, David N. Dewhurst, Prue E.R. Warner, Marina Pervukhina
- Date Published: September 2019
Abstract:
The Cooper Basin of Australia is a world-class unconventional gas resource with estimated gas resources of 29.8 trillion cubic feet. However, the production of this gas is challenging as the significant gas resources are located in deep coal seams, w...
Pore-scale study of fluids flow and fluid-fluid interactions during near-miscible CO2 EOR and storage in oil reservoirs
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Mojtaba Seyyedi*, Mehran Sohrabi
- Date Published: September 2019
Abstract:
CO2 injection in oil reservoirs has been widely accepted as an effective EOR and CO2 storage technique. While oil recovery and CO2 storage potential of this technique at the core scale has been widely studied, complex...
Artificial intelligence techniques to the interpretation of geophysical measurements
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Desmond FitzGerald*
- Date Published: September 2019
Abstract:
Integration of geology and geophysics thinking requires a common earth model, that accommodates, with errors, all the features from the geophysics interpretation products, topological rules from geology, field mapping and drill logs, and the link bet...
An AI approach to automated magnetic formation mapping beneath cover
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: David A. Pratt*, K. Blair McKenzie, Anthony S. White
- Date Published: September 2019
Abstract:
Most regional scale magnetic maps are dominated by the magnetic characteristics of steeply dipping basement units truncated by an unconformity surface. It is easy to demonstrate that 80 to 90% of each total field magnetic anomaly is contributed by th...
Exploring for the future: new U-Pb geochronology for the South Nicholson region and implications for stratigraphic correlations
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Jade Anderson*, Chris Carson, Chris Lewis, Andrew Cross, Lidena Carr, Paul Henson, Natalie Kositcin
- Date Published: September 2019
Abstract:
Zircon and xenotime U-Pb SHRIMP geochronology was conducted on samples from the South Nicholson Basin, and western Mount Isa Orogen. These samples were collected from outcrop and core from the Northern Territory and Queensland. The age data indicate ...
Exploring for the future: Kidson Sub-basin seismic interpretation
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Chris Southby*, Lidena Carr, Paul Henson, Peter Haines, Alex Zhan, Jade Anderson, Susannah MacFarlane, Tanya Fomin, Ross Costelloe
- Date Published: September 2019
Abstract:
Exploring for the Future is a four-year $100.5 million initiative by the Australian Government conducted in partnership with state and Northern Territory government agencies and universities that aims to boost northern Australia's attractiveness as a...
Using network topology to constrain fracture network permeability
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Rowan Hansberry*, Simon Holford, Rosalind King, Natalie Debenham
- Date Published: September 2019
Abstract:
Predicting the interconnectivity and permeability of fractures at any scale remains a fundamental challenge in structural geology. Models which predict the likelihood of fracture opening based on their relation to the stress field can be applied at s...
Ultrasonic wave velocities measurements and seismic anisotropy at Karari gold deposit: Implications for gold exploration
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Andre Eduardo C.M. de Souza*, Stephanie Vialle, Andrej Bona
- Date Published: September 2019
Abstract:
In order to understand the nature of reflections imaged by reflection seismic data in hard-rock environment and to investigate the seismic anisotropy across the Karari gold deposit, ultrasonic velocity measurement and seismic anisotropy studies were ...
Fraccing onshore Australia 2019
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Max Williamson*
- Date Published: September 2019
Abstract:
Australia is at last seeing common-sense with some of its key politicians at State level moving to remove barriers to the use of fraccing as an exploration and production technique. The most recent and politically important have been the decisions of...
The Geosciences DeVL Experiment: new information generated from old magnetotelluric data of The University of Adelaide on the NCI High Performance Computing Platform
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Nigel Rees*, Ben Evans, Graham Heinson, Dennis Conway, Rui Yang, Stephan Thiel, Kate Robertson, Kelsey Druken, Bruce Goleby, Jingbo Wang, Lesley Wyborn, Hoël Seillé
- Date Published: September 2019
Abstract:
In recent years, magnetotelluric (MT) processing has become computationally intensive as the scale and size of MT surveys being run increases. Consequently, High Performance Computing (HPC) is now becoming a valuable tool for timely processing and mo...
Dude, Where’s My Gun? A near-surface geophysics case-study
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Tim Dean, Alex Costall, Nichole Sik, John Blylevens, Andrew Pethick and Dominic Howman
- Date Published: September 2019
Abstract:
Buckland Hill, near Fremantle in Western Australia, was the site of a costal defence battery from 1942 until 1963. After the army left the site in the mid-1980s, it was developed for housing, but the battery area was retained as a park and later deve...
Hydrothermal dolomite distribution in the Emanuel Range as a constraint on timing of fault movement during mineralisation on the Lennard Shelf, Western Australia
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Heather Middleton*, Vicki Pedone, Dennis Arne
- Date Published: September 2019
Abstract:
At least four petrographically, geochemically, temporally and spatially distinct dolomites have been identified in mid-late Devonian carbonate banks and reefal buildups of the Emanuel Range on the south eastern Lennard Shelf. Detailed mapping of the ...
Orogenic gold prospectivity mapping using machine learning
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Mike McMillan*, Jen Fohring, Eldad Haber, Justin Granek
- Date Published: September 2019
Abstract:
As major mineral discoveries have become rarer over the last two decades, the industry has begun to turn to new technologies to assist in the exploration process. One such advancement is the application of machine learning and artificial intelligence...
Target detectability in regional-scale AEM surveys
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: David Annetts*, Juerg Hauser
- Date Published: September 2019
Abstract:
Direct detection of drillable targets is among the primary goals of airborne electromagnetic surveys. As larger government-funded regional surveys move towards large (> 5 km) line spacings, it is natural to question the likelihood of such s...
Tectonic analysis of regional potential field data
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Peter Betts*, Robin Armit, Caroline Tiddy, Sheree Armistead, Laurent Ailleres
- Date Published: September 2019
Abstract:
This contribution uses several case studies to illustrate how regional aeromagnetic and gravity data is used to undertake tectonic analysis. Regional aeromagnetic and gravity data is a powerful tool for tectonic analysis because it can be interpreted...
New insights on the Upper Cretaceous Tiger Supersequence of the Bight Basin from International Ocean Discovery Hole U1512
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Carmine C. Wainman*, Gabriel Tagliaro, Peter J. McCabe
- Date Published: September 2019
Abstract:
The Bight Basin is considered to be one of Australia’s most prospective petroleum regions. However, the sparsity of geologic data means that potential petroleum plays in the basin have yet to be firmly established. In late 2017, International Ocean...