Gerrit Olivier

On the quieting of glaciohydraulic tremor

Małgorzata Chmiel, Nicoletta Caldera, Florent Gimbert, Gerrit Olivier et autres

The subglacial hydraulic system strongly modulates glacier motion, yet the links between subglacial water flow, basal pressure, and short-lived drainage reorganization remain difficult to observe directly. Seismology can track seismic power generated by turbulent subglacial water flow, known as glaciohydraulic tremor (GHT). …

Sequential efficacy of information for optimized geophysical and drilling strategies in mineral exploration

Peng Li, Jack B. Muir, Gerrit Olivier, Zhen Yin et autres

SUMMARY The global energy transition has created an urgent need for expanded critical mineral supply. Projected production from existing deposits and current discovery rates remains insufficient to meet this demand. More efficient exploration strategies are therefore required, particularly in optimizing costly and …

us (code pays fourni par la source)

Rigorously quantifying observational uncertainty is essential for accelerating and automating geophysical inversions for subsurface mineral exploration

Tom Hudson, Nick T. Smith, Martin Gal, Andrej Bona et autres

The green energy transition is driving unprecedented demand for critical minerals. To meet this demand, we not only need to discover more mineral deposits, but accelerate the rate of these new discoveries. It is unlikely that many new discoveries will be based …

us (code pays fourni par la source)

Creating Immersive Digital Twins of Terrestrial Planetary Analogs With Multimodal Sensing and Game Engines for Virtual Exploration

Leonie Bensch, Cody A. Paige, Don Derek Haddad, Fangzheng Liu et autres

Creating cross-reality applications of planetary analog environments supports scientific exploration and mission planning by offering a safe and cost-effective way to explore remote terrains. We present a pipeline that integrates physical and virtual data through 3D reconstruction, environmental sensing, and interactive real-time …

us (code pays fourni par la source)

Ambient Noise Tomography: A Sensitive, Rapid, Passive Seismic Technique for Mineral Exploration

Anthony Reid, Gerrit Olivier, Tim Jones

au (code pays fourni par la source)

The effect of 1-bit normalization on ANT data, 3D velocity models, and their geological interpretation

Fatimah Abdulghafur, Timothy Jones, Gerrit Olivier

Imaging a buried terrane with district-scale ambient noise tomography and gravity modelling: insights for scale-reduction in mineral exploration

Anthony Reid, Nicholas Smith, Adebajo Ojo, Stephen Barber et autres

Mineral exploration proceeds by a process of scale-reduction. Decisions need to be made at all stages as the physical search space becomes progressively reduced from regional through to district, camp and tenement/deposit scale. While there are many regional scale datasets available to …

au (code pays fourni par la source)

Fuzzy c-mean (FCM) integration of geophysical data from an iron-oxide copper gold (IOCG) deposit under thick cover

Simon Carter, Graham Heinson, Ben Kay, Goran Boren et autres

Geophysical methods depend on a range of physical and chemical mechanisms, and each method has different sensitivities and resolution of Earth parameters, and over different scale lengths. Additionally, such geophysical methods will also have their own statistical characteristics. Thus, it is a …

cn, au (code pays fourni par la source)

Ambient noise tomography of an iron-oxide copper–gold (IOCG) deposit under thick cover

Gerrit Olivier, Graham Heinson, Ben Kay, Goran Boren et autres

As most outcropping and shallow mineral deposits have been found, new technology is imperative to finding the hidden critical mineral deposits required for the renewable energy transition. One such seismic technique, called ambient noise tomography (ANT), has shown promise in recent years …

au, cn, ca (code pays fourni par la source)

Magnetotelluric imaging of an iron-oxide copper gold (IOCG) deposit under thick cover

Ben Kay, Graham Heinson, Goran Boren, Ying Liu et autres

The presence of thick (>100 m) and electrically conductive (< 10 Ω.m) ground cover is a major impediment in mineral exploration of deep resources. Iron-oxide copper gold (IOCG) systems in Australia are often associated with a pronounced potential field anomaly, depending on …

au, cn (code pays fourni par la source)

Natural source-field induced polarisation exploration of an iron-oxide copper-gold (IOCG) deposit under thick cover

Ying Liu, Graham Heinson, Ben Kay, Goran Boren et autres

Induced polarisation (IP) is a common geophysical method of exploration for disseminated sulphides. However, in areas with deep (>200 m) and conductive (10 Ωm or less) cover, the technique is less successful as it requires a significant transmitter source and large-offset dipoles. …

cn, au (code pays fourni par la source)

End-to-End Mineral Exploration with Artificial Intelligence and Ambient Noise Tomography

Jack B. Muir, Gerrit Olivier, Anthony Reid

This paper presents an innovative end-to-end workflow for mineral exploration, integrating ambient noise tomography (ANT) and artificial intelligence (AI) to enhance the discovery and delineation of mineral resources essential for the global transition to a low carbon economy. We focus on copper …