Plate tectonic modelling and the energy transition

Earth-Science Reviews(2022)

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摘要
The formulation of plate tectonic theory and its application to modelling the motion of lithospheric units on a sphere using Euler rotations has been a foundational advance for 20th century geosciences. Its inception has supported significant industry funded research, better understanding and visualisation of geological concepts, and underpinned exploration for resources in the energy sector since the 1970's. As a direct result of the development of modern computing infrastructure and methodology, significant progress in tectonic modelling approaches have occurred since the 1980's, today allowing for sophisticated predictions of both the time -dependent kinematics and geodynamics of the paleo Earth. For example, in an exploration context, modern coupled paleo Earth system science models combining regional geology, tectonics, elevation, bathymetric, climate, drainage systems and geophysical data are capable of predicting occurrences of specific rock facies, mineralization systems and natural resources in relation to past physio-chemical settings. Critically, these pre -dictions minimize uncertainties, allowing for more accurate modelling and de-risking of subsurface targets, each of which are becoming increasingly important considerations in supporting the growing resource demands of the current energy transition.The transition to an electricity-powered society supplied by low carbon energy sources is one of the changes needed to mitigate the impact of climate change. In order to deliver on these challenges that have been agreed and set by international accords (e.g., Paris agreement, COP26), there is already a significant shift of focus within hydrocarbon exploration away from oil towards both gas and geological storage. Additionally, in the coming decades there will also be a significant increase in exploration for "critical minerals" as demand grows. This, combined with a progressive decrease in the grade of ore extracted from long-operating, large mines and the decrease of new, large-scale mineral deposit discoveries at or near the surface, has created an unprecedented challenge upon the mineral industry in terms of both exploration and production. With new approaches to mineral exploration, such as mineral systems thinking, which links the formation of many mineral resources to a geodynamic setting, plate models are now more important than ever. The transfer of integrated plate tectonic and Earth system modelling mindsets, workflows and techniques which development was initiated under the influence of the hydrocarbon industry during the 20th century will likely develop further in the 21st century, incorporating a greater range of scientific data types, detailed regional knowledge and physics-based geodynamic constraints.Here we provide an overview of how the development of global plate tectonic models over the last 50 years have been applied and integrated into predictive workflows to inform and assist natural resource exploration. The challenges faced by the energy transition will continue to drive plate model usage in exploration while also securing their continued development and evolution.
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关键词
Plate tectonics,Earth system science,Mineral exploration,Energy transition
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