Robin Armit
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View article: A New Approach to Imaging Deep Crustal Structures: Implications for the Crustal Architecture of Southeast Australia's Passive Margin
A New Approach to Imaging Deep Crustal Structures: Implications for the Crustal Architecture of Southeast Australia's Passive Margin Open
In the passive margin of southeast Australia, a mosaic of tectonic structures of the Otway Basin records the protracted Cretaceous to Eocene break‐up evolution of Australia and Antarctica. Here, we use an innovative approach that combines …
View article: Geophysical insights into basement faults influencing basin evolution: A case study from Tennant Creek Block, North Australian Craton
Geophysical insights into basement faults influencing basin evolution: A case study from Tennant Creek Block, North Australian Craton Open
Geophysical interpretation and modelling of the poorly exposed Proterozoic basement rocks of the Tennant Creek Block in the North Australian Craton elucidated the distribution, location, connectivity, and overprinting relationships of regi…
View article: Three-dimensional geological modelling of igneous intrusions in LoopStructural v1.5.10
Three-dimensional geological modelling of igneous intrusions in LoopStructural v1.5.10 Open
Over the last 2 decades, there have been significant advances in the 3D modelling of geological structures via the incorporation of geological knowledge into the model algorithms. These methods take advantage of different structural data t…
View article: How thick is the Strathbogie Complex?
How thick is the Strathbogie Complex? Open
The Strathbogie Complex is a large granitic body in north central Victoria. Previous detailed mapping of part of its western and southern boundary suggested that the body was relatively thin, probably less than 1 km. However, forward model…
View article: Comment on gmd-2023-85
Comment on gmd-2023-85 Open
Abstract. Over the last two decades, there have been significant advances to improve the 3D modelling of geological structures by incorporating geological knowledge into the model algorithms. These methods take advantage of different struc…
View article: 3D geological modelling of igneous intrusions in LoopStructural v1.5.10
3D geological modelling of igneous intrusions in LoopStructural v1.5.10 Open
Over the last two decades, there have been significant advances to improve the 3D modelling of geological structures by incorporating geological knowledge into the model algorithms. These methods take advantage of different structural data…
View article: Geometry of the margins of the North Australian Craton and correlations with upper crustal structures
Geometry of the margins of the North Australian Craton and correlations with upper crustal structures Open
The margins of the North Australian Craton (NAC) are major lithospheric boundaries that correspond to zones of intense faulting in the upper crust. The sutures defining the edges of the eastern and southern margin of the NAC have different…
View article: The effects of inward and outward dipping craton margin geometry on upper crustal deformation: Insights from analogue modelling
The effects of inward and outward dipping craton margin geometry on upper crustal deformation: Insights from analogue modelling Open
Craton margins undergo intense deformation influenced by the pre-existing crustal and lithospheric architecture, rheology, and far-field kinematics. The role of rheological contrasts and weak zones at the edge of the craton has been discus…
View article: A geophysically constrained crustal element map of East Antarctica between Enderby Land and Princess Elizabeth Land
A geophysically constrained crustal element map of East Antarctica between Enderby Land and Princess Elizabeth Land Open
East Antarctica along with Greater India played a vital role in the accretion and breakup of the Indo-Antarctic landmasses during the supercontinents Nuna, Rodinia and Gondwana. Without geophysical potential field methods, interpreting the…
View article: Compiled Sediment Thickness Map of the Afar Triple Junction and Surrounding Region
Compiled Sediment Thickness Map of the Afar Triple Junction and Surrounding Region Open
The dataset here represents the compiled sediment thickness of the Afar Triple Junction and surrounding regions. The data was prepared by incorporating available seismic sediment thickness data into the grids extracted from GlobSed (Straum…
View article: 3D geological modelling of igneous intrusions in LoopStructural v1.4.4
3D geological modelling of igneous intrusions in LoopStructural v1.4.4 Open
Over the last two decades, there have been significant advances to improve the 3D modelling of geological structures by incorporating geological knowledge into the model algorithms. These methods take advantage of different structural data…
View article: Modelling of faults in LoopStructural 1.0
Modelling of faults in LoopStructural 1.0 Open
Without properly accounting for both fault kinematics and observations of a faulted surface, it is challenging to create 3D geological models of faulted geological units. Geometries where multiple faults interact, where the faulted surface…
View article: Realistic modelling of faults in LoopStructural 1.0
Realistic modelling of faults in LoopStructural 1.0 Open
Without properly accounting for both fault kinematics and faulted surface observations, it is challenging to create 3D geological models of faulted geological units that are seen in all tectonic settings. Geometries where multiple faults i…
View article: Tectonic analysis of regional potential field data
Tectonic analysis of regional potential field data Open
SummaryThis 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 …
View article: Utilising potential field modelling to better inform on the 3D structural architecture in regions of excellent structural control
Utilising potential field modelling to better inform on the 3D structural architecture in regions of excellent structural control Open
SummaryInformation in the third dimension is intrinsic to potential-field data. Potential-field interpretations and modelling can provide crucial regional and sub-surface geological constraints in areas considered to be structurally ‘well’…
View article: Loop - Enabling 3D stochastic geological modelling
Loop - Enabling 3D stochastic geological modelling Open
SummarySummaryLoop is a new open source 3D geological and geophysical modelling platform in full development.The new platform consists of 4 main work packages: Knowledge Management: use of AI techniques for knowledge extraction from litera…
View article: Proxies for Basement Structure and Its Implications for Mesoproterozoic Metallogenic Provinces in the Gawler Craton
Proxies for Basement Structure and Its Implications for Mesoproterozoic Metallogenic Provinces in the Gawler Craton Open
The link between mineral resources and crustal‐rooted structures has been proposed for many of the world's most significant mineral provinces. Here we utilize a new approach by interpreting potential field data, including satellite gravity…
View article: Inversion of Structural Geology Data for Fold Geometry
Inversion of Structural Geology Data for Fold Geometry Open
Recent developments in structural modeling techniques have dramatically increased the capability to incorporate fold‐related data into the modeling workflow. However, these techniques are lacking a mathematical framework for properly addre…
View article: The role of basement control in Iron Oxide-Copper-Gold mineral systems revealed by satellite gravity models
The role of basement control in Iron Oxide-Copper-Gold mineral systems revealed by satellite gravity models Open
From qualitative and quantitative information (forward and inverse modelling) extracted from satellite gravity models (Global Observation Combination-GOCO05sModel³), and other geophysical data airborne gravity and magnetics, seismology, se…
View article: SAGA 2017 presentation - Combining structural analysis with sequential potential-field inversions to constrain the architecture of poly-deformed terranes
SAGA 2017 presentation - Combining structural analysis with sequential potential-field inversions to constrain the architecture of poly-deformed terranes Open
Combining structural analysis with sequential potential-field inversions to constrain the architecture of poly-deformed terranes
View article: Unearthing the marginal terranes of the South Australian Craton: insights from integrated structural geology, geophysics and isotopic studies
Unearthing the marginal terranes of the South Australian Craton: insights from integrated structural geology, geophysics and isotopic studies Open
The marginal terranes of the South Australian Craton consist of predominantly buried Neoarchean to Early Mesoproterozoic meta-sedimentary and magmatic rocks that cover an area in excess of 150,000 km². The terranes include the buried north…
View article: Palaeozoic ribbons and rollback in north Queensland
Palaeozoic ribbons and rollback in north Queensland Open
A poster of the role of continental ribbons and subduction rollback in the late Silurian along the Gondwana margin of Australia.
View article: Crustal evolution and geodynamic setting of the Sefwi Greenstone Belt, WAC
Crustal evolution and geodynamic setting of the Sefwi Greenstone Belt, WAC Open
Crustal evolution and geodynamic setting of the Sefwi Greenstone Belt, WAC. The Palaeoproterozoic West African Craton (2.25 - 2.07 Ga) represents one of the youngest, large provinces of juvenile crust on Earth. It displays lithological and…
View article: Basement Influences on the Central Victorian Granites
Basement Influences on the Central Victorian Granites Open
A presentation given at the Granites2017@Benalla conference held 25-28th September 2017. The presentation focuses on the the Central Victorian Magmatic Province which shows a distinct signature from the rest of the Lachlan Fold Belt. This …
View article: Implicit 3D Time-Aware GeoStructural Simulator
Implicit 3D Time-Aware GeoStructural Simulator Open
A description of the LOOP Implicit 3D Time-Aware Simulator presented at the Specialist Group in Tectonic and Structural Geology (SGTSG) conference, November 2017, Denmark, Western Australia.