Peter Betts
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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: Geology from aeromagnetic data
Geology from aeromagnetic data Open
View article: Plate tectonic limits on the assembly of cratonic Australia
Plate tectonic limits on the assembly of cratonic Australia Open
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: A Push in the Right Direction: Exploring the Role of Zealandia Collision in Eocene Pacific‐Australia Plate Motion Changes
A Push in the Right Direction: Exploring the Role of Zealandia Collision in Eocene Pacific‐Australia Plate Motion Changes Open
The Pacific Plate underwent a significant change in motion during the early Eocene. This change has been linked to plate boundary reconfiguration, particularly in relation to subduction margins. The reconfiguration also resulted in a new P…
View article: Towards Active Integrated Waiting Lists: The Patient Lived Experience
Towards Active Integrated Waiting Lists: The Patient Lived Experience Open
Background: Specialist healthcare providers internationally face challenges managing elective care waiting lists. There is an increase focus on how we can provide integrated care solutions to achieve active rather than passive waiting. Thi…
View article: Lithospheric Structure and Extensional Style of the Red Sea Rift Segments
Lithospheric Structure and Extensional Style of the Red Sea Rift Segments Open
The Red Sea provides an opportunity to study the processes during the transition from continental rifting to early-stage seafloor spreading during ocean initiation. We delineate variations of lithospheric architecture and the nature of ext…
View article: Selective inversion of rift basins in lithospheric-scale analogue experiments
Selective inversion of rift basins in lithospheric-scale analogue experiments Open
Basin inversion is commonly attributed to the reverse reactivation of basin-bounding normal faults. This association implies that basin uplift and inversion-related structures are mainly controlled by the frictional behaviour of pre-existi…
View article: A push in the right direction: exploring the role of Zealandia collision in Eocene Pacific-Australia plate motion changes
A push in the right direction: exploring the role of Zealandia collision in Eocene Pacific-Australia plate motion changes Open
During the Eocene tectonic reorganization, the Pacific Plate rotation vector developed an increased radial component (spin around the centroid) with a counter clockwise (CCW) sense • Both the Zealandia plate boundary, and the Izu-Bonin-Mar…
View article: Comment on egusphere-2023-411
Comment on egusphere-2023-411 Open
Abstract. Basin inversion is commonly attributed to the reverse reactivation of normal basin-bounding faults. This association implies that basin uplift and inversion-related structures are mainly controlled by the frictio…
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: Selective inversion of rift basins in lithospheric-scale analogue experiments
Selective inversion of rift basins in lithospheric-scale analogue experiments Open
Basin inversion is commonly attributed to the reverse reactivation of normal basin-bounding faults. This association implies that basin uplift and inversion-related structures are mainly controlled by the frictional behaviour of pre-existi…
View article: Not all basins are created equal: Lithospheric-scale analogue experiments of selective basin inversion
Not all basins are created equal: Lithospheric-scale analogue experiments of selective basin inversion Open
The inversion of rift basins is commonly associated with the reactivation of normal, basin-bounding faults or shear zones. Analogue models have shown how the reverse reactivation of these pre-existing structures facilitates the uplift of a…
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: The Role of Slab Steps on Tectonic Loading Along Subduction Zones: Inferences on the Seismotectonics of the Sunda Convergent Margin
The Role of Slab Steps on Tectonic Loading Along Subduction Zones: Inferences on the Seismotectonics of the Sunda Convergent Margin Open
How seismotectonics of convergent margins reconciles with the force balance of subduction is contentious. The comparison of seismotectonics and available slab pull forces along the Sunda convergent margin shows an enigmatic inverse relatio…
View article: Stretch and fold: Multistage analogue experiments of rifting, inversion, and orogenesis
Stretch and fold: Multistage analogue experiments of rifting, inversion, and orogenesis Open
<p>Analogue models are powerful tools for investigating extensional and convergent tectonic processes in 4D and at multiple scales. However, rarely do we introduce two successive phases of tectonism in a single analogue experiment to…
View article: Unwrapping reworked crust at the Columbia supercontinent margin within central southern Amazon Craton using multi-source geophysics and geochronology data synergy
Unwrapping reworked crust at the Columbia supercontinent margin within central southern Amazon Craton using multi-source geophysics and geochronology data synergy Open
The geometry and evolution of pre-existing basement in accretionary belts bordering supercontinents are often unclear. Integrative interpretation of long-wavelength potential field satellite data can image deep crust structure, improving o…
View article: Australia’s Unfolding Geoscience Malady
Australia’s Unfolding Geoscience Malady Open
Brutal university cuts are putting at risk an industry crucial to addressing climate change Down Under and around the world. Saving geoscience will require a community reckoning.
View article: Plume Versus Slab-Pull: Example from the Arabian Plate
Plume Versus Slab-Pull: Example from the Arabian Plate Open
Mantle convection and the interaction of buoyant plumes with the lithosphere have been a significant influence on plate tectonics. Plume-lithosphere interactions have been regarded as a major driver of continental rifting, and have been li…
View article: Australia's geoscience paradox threatens its prosperity and sustainability
Australia's geoscience paradox threatens its prosperity and sustainability Open
Unprecedented climatic, environmental, energy, and resource crises threaten our world due to a growing, unsustainable human footprint on our planet. But while Australia awaits national strategies to address climate change amidst the COVID-…
View article: Supplemental Material: Gulf of Aden spreading does not conform to triple-junction formation
Supplemental Material: Gulf of Aden spreading does not conform to triple-junction formation Open
Additional geological and geophysical background information and descriptions of the data and methodology.
View article: Supplemental Material: Gulf of Aden spreading does not conform to triple-junction formation
Supplemental Material: Gulf of Aden spreading does not conform to triple-junction formation Open
Additional geological and geophysical background information and descriptions of the data and methodology.
View article: The Mount Isa rift event : an example of middle proterozoic intracontinental extension
The Mount Isa rift event : an example of middle proterozoic intracontinental extension Open
This thesis was scanned from the print manuscript for digital preservation and is copyright the author. Researchers can access this thesis by asking their local university, institution or public library to make a request on their behalf. M…
View article: Unwrapping reworked crust at the Columbia supercontinent margin within Amazonian Craton using satellite potential field data synergy
Unwrapping reworked crust at the Columbia supercontinent margin within Amazonian Craton using satellite potential field data synergy Open
This file contains the geochronology data inventory (Supplementary Material Table 1) as a MS Excel (*.xls) table used for interpretation in the the original publication of 'Unwrapping reworked crust at the Columbia supercontinent margin wi…
View article: Unwrapping reworked crust at the Columbia supercontinent margin within Amazonian Craton using satellite potential field data synergy
Unwrapping reworked crust at the Columbia supercontinent margin within Amazonian Craton using satellite potential field data synergy Open
This file contains the geochronology data inventory (Supplementary Material Table 1) as a MS Excel (*.xls) table used for interpretation in the the original publication of 'Unwrapping reworked crust at the Columbia supercontinent margin wi…
View article: Unwrapping reworked crust at the Columbia supercontinent margin within Amazonian Craton using satellite potential field data synergy
Unwrapping reworked crust at the Columbia supercontinent margin within Amazonian Craton using satellite potential field data synergy Open
This file contains the geochronology data inventory (Supplementary Material Table 1) as a MS Excel (*.xls) table used for interpretation in the the original publication of 'Unwrapping reworked crust at the Columbia supercontinent margin wi…
View article: Modelling constraints on rifting in the Afar region: the birth of a triple junction
Modelling constraints on rifting in the Afar region: the birth of a triple junction Open
<p>Rifting in the Afar region is considered to be the only known example of the formation of an incipient divergent triple junction. Taking the Afar region as an example, we use three-dimensional (3D) laboratory exp…
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: Onset of the supercontinent cycle: Evidence for multiple oceanic arc accretion events in the Paleoproterozoic Sefwi Greenstone Belt of the West African Craton
Onset of the supercontinent cycle: Evidence for multiple oceanic arc accretion events in the Paleoproterozoic Sefwi Greenstone Belt of the West African Craton Open