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Case studies on the application of passive seismic horizontal to vertical spectral ratio (HVSR) surveying for heavy mineral sand exploration
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Nigel Cantwell*, Matthew Owers, Jayson Meyers, Sharna Riley
- Date Published: September 2019
Abstract:
This study presents the results from several case studies on the application of passive seismic Horizontal to Vertical Spectral Ratio (HVSR) surveying methods for Heavy Mineral Sand (HMS) deposit subsurface layer detection for exploration and mining....
Probabilistic modelling of sedimentary basin evolution using Bayeslands
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Rohitash Chandra, Danial Azam*, R. Dietmar Müller
- Date Published: September 2019
Abstract:
Badlands is a basin and landscape evolution forward model for simulating the evolution of surface topography, sediment transport and sedimentation at a large range of spatial and time scales. Here we use the Bayesian paradigm to find the best-fit par...
Why storytelling matters…especially in mineral exploration
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Ahmad Saleem, Steve Beresford
- Date Published: September 2019
Abstract:
There is an Indian proverb that goes: “Tell me the truth and I’ll believe it for a while. But tell me a story and it will stay with me forever.” ...
New insights on chimney growth model and native gold enrichment in modern seafloor hydrothermal chimneys
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Siyu Hu*, Steve Barnes, Anais Pagès
- Date Published: September 2019
Abstract:
Seafloor hydrothermal chimneys from back-arc basins are important hosts for metals, e.g. Cu, Zn, Pb, Ag and Au, and bear potential for deep-sea mining. A solid understanding of the distribution of metals requires appreciation of detailed mineralogy a...
CCS in Australia: Activities and Lessons Learned
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Linda Stalker
- Date Published: September 2019
Abstract:
There is the perception that somehow carbon capture and storage (CCS) is too expensive, too complex, and already by-passed by other technologies in Australia. However the challenge of meeting Australia’s commitments to LNG contracts for a growing m...
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...
Surface passive seismic monitoring by the local use of semblance
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: M. Javad Khoshnavaz*, Andrej Bόna, Kit Chambers, Hamidreza Siahkoohi, Alireza Khoshnavaz
- Date Published: September 2019
Abstract:
Monitoring of passive seismic sources generated by mining activities and hydraulic fracturing has an important role in hazard analysis and in development of unconventional reservoirs. Surface arrays are vastly used in such monitoring scenarios with t...
Drillhole rugosity correction for gamma-gamma density tools – A space modelling approach
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Dragos Gavriliu, James Batchelor
- Date Published: September 2019
Abstract:
This paper describes a novel approach to solving borehole rugosity for single detector gamma-gamma density logging. Modelling the space investigated by the gammagamma density tool provides the basis for deriving an applied rugosity correction....
U-Pb ages of the Himalayan foreland basin Northeast India: Implications for the India-Asia collision
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Upendra Baral, Lin Ding, Bhupati Neupane
- Date Published: September 2019
Abstract:
Syn- and post-collision between Indian and Eurasian plates, several peripheral foreland basins were formed that accommodate the detritus from the adjoining regions. The geochronological study is a precise tool for understanding the provenance in this...
Assessment of the permanent seismic sources for borehole seismic monitoring applications: CO2CRC Otway Project
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Sinem Yavuz, Julia Correa, Roman Pevzner, Barry Freifeld, Todd Wood, Konstantin Tertyshnikov, Sofya Popik, Michael Robertson
- Date Published: September 2019
Abstract:
In the CO2CRC Otway Project, seismic monitoring has evolved from traditional campaign-based seismic acquisition using a large array of seismic receivers and mobile sources, towards the techniques using continuous borehole seismic acquisition based on...
Multi-physics, inter-disciplinary approaches for groundwater system investigations and hydrogeological assessments in Northern Australia
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Ken Lawrie, Des Yinfoo, Niels B. Christensen, Kokpiang Tan, Neil Symington, Donna Cathro, Larysa Halas, Stephen Hostetler, Chris Harris-Pascal, Andrew McPherson, Christian Seiler, John Wischusen
- Date Published: September 2019
Abstract:
The development of Northern Australia has been identified as a national priority, with water availability being fundamental to economic development. Surface water options are limited hence identification of new groundwater resources and water banking...
Developing the Butcherbird high purity manganese project
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Justin Brown
- Date Published: September 2019
Abstract:
Element 25 Limited is developing the Butcherbird High Purity Manganese Project located approximately 130km south of Newman in the Pilbara region of Western Australia.
The project hosts Australia’s largest onshore manganese deposit containi...
New insights into the Exmouth Sub-basin from basin and petroleum system modelling
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Oliver Schenk, Craig Dempsey*, Robbie Benson, Michael Cheng, Sugandha Tewari, Alexander Karvelas, Giuseppe Bancalà
- Date Published: September 2019
Abstract:
The Exmouth Sub-basin forms part of the intra-cratonic rift system of the Northern Carnarvon Basin, Australia. It has undergone a complex tectonic history with multiple phases of uplift, erosion, inversion, and regional tilting. Hydrocarbon explorati...
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...
A preliminary assessment of uncertainties attributed by analysts, array types and processing algorithms for microtremor observations, via the COSMOS Blind Trials
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Michael W. Asten*, Alan Yong, Sebastiano Foti, Koichi Hayashi, Antony Martin, William J. Stephenson, John F. Cassidy, Jacie Coleman
- Date Published: September 2019
Abstract:
The blind trial studies conducted for the 2006 3rd International Symposium on the Effects of Surface Geology (Grenoble, France) and the 2015 Intercomparison of Methods for Site Parameter and Velocity Profile Characterization (InterPACIFIC) Workshop (...
Efficient borehole targeting for ground-control of airborne electromagnetic (AEM) survey results
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Marcus Haynes, Yusen Ley-Cooper*
- Date Published: September 2019
Abstract:
AusAEM is a Geoscience Australia program to collect broad-spaced (~20 km) airborne electromagnetic (AEM) data at the regional scale. The AusAEM data is being used to map the thickness and character of sedimentary and regolith cover across northern Au...
Porosity distribution prediction of untapped Gumai Formation by applying multi-attribute analysis: A case study in South Sumatra Basin
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Mohammad Risyad, Muhammad Fahmi Yahya Faizan
- Date Published: September 2019
Abstract:
Gumai Formation is often regarded as merely regional seal in South Sumatra Basin as it is dominated by shale, claystone and siltstone. However, a variety of geological and geophysical approaches have been conducted in Northeast Betara (NEB) field to ...
Combined potential field and airborne electromagnetic interpretation to unravel the geological history of the Curaca Valley Region, Bahia, Brazil
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: P. Letelier, S. Napier, J. Reid, P. Mejia
- Date Published: September 2019
Abstract:
Integrated geological-geophysical interpretation offers a robust way to answer geoscientific questions by providing better and faster decisions on where to explore in a regional context, and ultimately on local-scale targets. In particular, regional ...
The Mineral Systems Atlas — delivering greater value from precompetitive geoscience data
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: S. Morin-Ka*, T.J. Beardsmore, P. Duuring, J. Guilliamse, L. Burley
- Date Published: September 2019
Abstract:
The Mineral Systems Atlas and Guide are recent online systems developed and curated by the Geological Survey of Western Australia (GSWA). The objective of the Atlas and Guide is to more effectively deliver relevant precompetitive geoscience informati...
Understanding the causes of low frequency shadow below gas hydrates
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Ayman Noor M. Qadrouh*, Saad Alajmi
- Date Published: September 2019
Abstract:
Gas hydrates consider as one of the prospective natural resource that can supply energy. The seismic method has successfully been applied to locate gas hydrates. Their presence is revealed by bottom simulating reflectors (BSR) which represent the sei...
Regional airborne gravity surveys in Western Australia: Considerations for the end user
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Martin Bates*, Stefan Elieff, Krista Kaski, David Howard, John Brett, Richard Lane
- Date Published: September 2019
Abstract:
Regional airborne gravity surveys are being acquired over much of the State of Western Australia by the Geological Survey of Western Australia (GSWA) and Geoscience Australia (GA) to provide coverage where existing ground gravity coverage is sparse. ...
The structural architecture of the central North West Shelf – insights from regional scale mapping of the Triassic succession
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Claire Orlov*, Chris Nicholson, George Bernardel, Steve Abbott, Nadege Rollet
- Date Published: September 2019
Abstract:
The central North West Shelf has been the focus of a regional mapping program by Geoscience Australia targeting the Triassic succession. Resulting updates to the regional structural understanding are presented, showcasing variations in structural sty...
Imaging a mafic underplate in 3D: an example from the east Albany–Fraser Orogen and Yilgarn Craton margin
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Lucy Brisbout*, Ruth Murdie
- Date Published: September 2019
Abstract:
In this study a mafic underplate along the margin of the Proterozoic east Albany–Fraser Orogen and Archean Yilgarn Craton is imaged using 3D gravity forward modelling. The 3D model was constructed in GeoModeller and tested by 3D gravity forward mod...
Backing up the AEM – unravelling a palaeovalley fill for groundwater exploration in the APY Lands
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Carmen Krapf, Adrian Costar, Mark Keppel, Kent Inverarity, Andy Love, Liliana Stoian, Georgina Gordon, Camilla Soerensen, Tim Munday
- Date Published: September 2019
Abstract:
A major constraint on development in the Anangu Pitjantjatjara Yankunytjatjara (APY) Lands is the lack of reliable water supplies. Sandstone strata found within palaeovalleys has long been recognised as potentially productive aquifers in outback Sout...
Induced polarization chargeability calibration standards
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: John E.E. Kingman, Terry J. Ritchie, Peter Rowston*
- Date Published: September 2019
Abstract:
Standard practices in scaling time-domain induced polarization (IP) chargeability estimates are frequently inconsistent or poorly supported. Antiquated M331 units (milliseconds) and scaling standards in particular, represent: a) ill-informed assumpti...
Handling noise in AEM inversion – implications for subsurface characterisation
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Shane Mulè, Camilla Soerensen, Tim Munday
- Date Published: September 2019
Abstract:
Noise is a fundamentally limiting factor for what aspects of the subsurface can be imaged using an AEM system. This paper compares the use of two inversion techniques and two different methods of estimating data noise, to determine how the choice of ...
All that wobbles isn’t necessarily azimuthal anisotropy
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Helen Debenham*, Jennifer Badry, Mohamed Megebry
- Date Published: September 2019
Abstract:
Onshore 3D seismic data is often acquired with rich azimuth coverage by utilising orthogonal shooting (or cross-spread) layouts. This means that azimuthal anisotropy, if present, can be readily observed and its effects on the data can be quantified a...
Statistical rock physics analysis and modelling in the Browse Basin
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Shuichi Desaki*, Yuki Kobayashi, Peter Miklavs
- Date Published: September 2019
Abstract:
In this study, we performed rock physics analysis and modelling in the Browse Basin, in which we analysed the relationships among elastic properties of end-member (EM) sandstone (SST) and EM-shale, and then, modelled the properties of non-EM-SST and ...
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...
Transforming an abandoned well into a permanent downhole receiver array: Harvey-3 case study
- Publication Name: Australasian Exploration Geoscience Conference 2019
- Authors: Ludovic Ricard, Roman Pevzner, Evgenii Sidenko*, Konstantin Tertyshnikov, Sandeep Sharma, Dominique Van Gent, Roman Isaenkov
- Date Published: September 2019
Abstract:
Fibre optic sensing is an emerging technology enabling reliable long term monitoring and surveillance of the subsurface. In this contribution, we detail the first Australian installation of a fibre optic sensing system as part of a stratigraphic well...