Geodynamics
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GPlates: Building a Virtual Earth Through Deep Time Open
GPlates is an open‐source, cross‐platform plate tectonic geographic information system, enabling the interactive manipulation of plate‐tectonic reconstructions and the visualization of geodata through geological time. GPlates allows the bu…
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Mobile quantum gravity sensor with unprecedented stability Open
Changes of surface gravity on Earth are of great interest in geodesy, earth sciences and natural resource exploration. They are indicative of Earth system's mass redistributions and vertical surface motion, and are usually measured with fa…
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The link between tectonics and sedimentation in back-arc basins: New genetic constraints from the analysis of the Pannonian Basin Open
The architecture of sedimentary basins reflects the relationship between accommodation space and sediment supply, their rates and localization being variable during basin evolution. The mechanisms driving the interplay between tectonics an…
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Recent advances in high-pressure science and technology Open
Recently we are witnessing the boom of high-pressure science and technology from a small niche field to becoming a major dimension in physical sciences. One of the most important technological advances is the integration of synchrotron nan…
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When crust comes of age: on the chemical evolution of Archaean, felsic continental crust by crustal drip tectonics Open
The secular evolution of the Earth's crust is marked by a profound change in average crustal chemistry between 3.2 and 2.5 Ga. A key marker for this change is the transition from Archaean sodic granitoid intrusions of the tonalite–trondhje…
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The Tell-Rif orogenic system (Morocco, Algeria, Tunisia) and the structural heritage of the southern Tethys margin Open
The Tell-Rif (Tell in Algeria and Tunisia; Rif in Morocco) is the orogenic system fringing to the south the West Mediterranean basins. This system comprises three major tectonic-palaeogeographic zones from north to south: (1) the internal …
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A New Southern North Atlantic Isochron Map: Insights Into the Drift of the Iberian Plate Since the Late Cretaceous Open
This paper presents a new southern North Atlantic plate model from Late Cretaceous to present, with the aim of constraining the kinematics of the Iberian plate during the last 83.5 Myr. This model is presented along with a detailed isochro…
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Rollback Orogeny Model for the Evolution of the Swiss Alps Open
The construction of the European Alps and the Himalayas has been related to the convergence and subsequent collision of two continental plates. Nearly all models of orogeny build on this concept, and all of them relate the stacking of napp…
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Kinematics of Late Cretaceous subduction initiation in the Neo‐Tethys Ocean reconstructed from ophiolites of Turkey, Cyprus, and Syria Open
Formation of new subduction zones represents one of the cornerstones of plate tectonics, yet both the kinematics and geodynamics governing this process remain enigmatic. A major subduction initiation event occurred in the Late Cretaceous, …
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One or Two Early Cretaceous Arc Systems in the Lhasa Terrane, Southern Tibet Open
Spatial and temporal variations of arc‐related magmatism are key to determining the subduction polarity of incompletely preserved arc systems. Petrographic, geochronological, geochemical, and isotope data of Early Cretaceous volcanic rocks…
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The geobiological nitrogen cycle: From microbes to the mantle Open
Nitrogen forms an integral part of the main building blocks of life, including DNA, RNA, and proteins. N 2 is the dominant gas in Earth's atmosphere, and nitrogen is stored in all of Earth's geological reservoirs, including the crust, the …
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Surface Velocities and Strain-Rates in the Euro-Mediterranean Region From Massive GPS Data Processing Open
In this work we present and discuss new geodetic velocity and strain-rate fields for the Euro-Mediterranean region obtained from the analysis of continuous GNSS stations. We describe the procedures and methods adopted to analyze raw GPS ob…
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A new view for the geodynamics of Ecuador: Implication in seismogenic source definition and seismic hazard assessment Open
A new view of Ecuador's complex geodynamics has been developed in the course of modeling seismic source zones for probabilistic seismic hazard analysis. This study focuses on two aspects of the plates' interaction at a continental scale: (…
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Glacial‐Isostatic Adjustment Models Using Geodynamically Constrained 3D Earth Structures Open
Glacial‐isostatic adjustment (GIA) is the key process controlling relative sea‐level (RSL) and paleo‐topography. The viscoelastic response of the solid Earth is controlled by its viscosity structure. Therefore, the appropriate choice of Ea…
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Quantifying the Relationship Between Short‐Wavelength Dynamic Topography and Thermomechanical Structure of the Upper Mantle Using Calibrated Parameterization of Anelasticity Open
Oceanic residual depth varies on 5,000 km wavelengths with amplitudes of ± 1 km. A component of this short‐wavelength signal is dynamic topography caused by convective flow in the upper ∼ 300 km of the mantle. It exerts a significant influ…
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Constraining Absolute Plate Motions Since the Triassic Open
The absolute motion of tectonic plates since Pangea can be derived from observations of hotspot trails, paleomagnetism, or seismic tomography. However, fitting observations is typically carried out in isolation without consideration for th…
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Seismic imaging of Northwest Pacific and East Asia: New insight into volcanism, seismogenesis and geodynamics Open
Recent studies on seismic imaging of the Northwest Pacific and East Asian region are reviewed. High-resolution tomographic images reveal significant lateral heterogeneities in the crust and upper mantle, which shed new light on interplate …
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Fault Slip and GPS Velocities Across the Shan Plateau Define a Curved Southwestward Crustal Motion Around the Eastern Himalayan Syntaxis Open
Characterizing the 700 km wide system of active faults on the Shan Plateau, southeast of the eastern Himalayan syntaxis, is critical to understanding the geodynamics and seismic hazard of the large region that straddles neighboring China, …
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Kinematics of Foreland‐Vergent Crustal Accretion: Inferences From the Dinarides Evolution Open
One of the most common observation in Mediterranean areas is the migration of contractional deformation and associated slabs through time toward external orogenic areas, associated with lower plate crustal accretion. The Dinarides orogen o…
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Modeling Megathrust Earthquakes Across Scales: One‐way Coupling From Geodynamics and Seismic Cycles to Dynamic Rupture Open
Taking the full complexity of subduction zones into account is important for realistic modeling and hazard assessment of subduction zone seismicity and associated tsunamis. Studying seismicity requires numerical methods that span a large r…
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Mineral systems: Their advantages in terms of developing holistic genetic models and for target generation in global mineral exploration Open
Since the concept of mineral systems was first proposed, there have been growing calls for their use in deriving holistic genetic models and in assisting in exploration targeting in a world of diminishing mineral discoveries. This is becau…
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Geodynamic evolution of a wide plate boundary in the Western Mediterranean, near-field<i>versus</i>far-field interactions Open
The present-day tectonic setting of the Western Mediterranean region, from the Pyrénées to the Betics and from the Alps to the Atlas, results from a complex 3-D geodynamic evolution involving the interactions between the Africa, Eurasia an…
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An assessment of the <i>ICE6G_C(VM5a)</i> glacial isostatic adjustment model Open
The recent release of the next‐generation global ice history model, ICE6G_C(VM5a) , is likely to be of interest to a wide range of disciplines including oceanography (sea level studies), space gravity (mass balance studies), glaciology, an…
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Archaeointensity results spanning the past 6 kiloyears from eastern China and implications for extreme behaviors of the geomagnetic field Open
Significance The geomagnetic field is an intriguing fundamental physical property of the Earth. Its evolution has significant implications for issues such as geodynamics, evolution of the life on the Earth, and archaeomagnetic dating. Here…
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Modeling chemical geodynamics of subduction zones using the Arc Basalt Simulator version 5 Open
Arc Basalt Simulator version 5 (ABS5) is a forward geochemical and petrological model that can be used to examine the element mass balance in primary arc magmas including the source and nature of slab materials and flux melting of the mant…
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Dynamic processes of the curved subduction system in Southeast Asia: A review and future perspective Open
Southeast Asia is located in an important regional geodynamic intersection zone surrounded by inward subduction systems on three sides, consisting the largest and most complicated convergent subduction system in the earth. The deep circula…
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Primitive Helium Is Sourced From Seismically Slow Regions in the Lowermost Mantle Open
A major goal in Earth Science has been to understand how geochemical characteristics of lavas at the Earth's surface relate to the location and formation history of specific regions in the Earth's interior. For example, some of the stronge…
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Underworld2: Python Geodynamics Modelling for Desktop, HPC and Cloud Open
The modelling of long time-scale solid-Earth processes presents challenges on many fronts. \nTypically a large range of length scales must be resolved, and computational requirements can \neasily go beyond a desktop machine’s capability, e…
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Origin of the LLSVPs at the base of the mantle is a consequence of plate tectonics – A petrological and geochemical perspective Open
In studying the petrogenesis of intra-plate ocean island basalts (OIB) associated with hotspots or mantle plumes, we hypothesized that the two large-low-shear-wave-velocity provinces (LLSVPs) at the base of the mantle beneath the Pacific (…
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Rift systems of the Russian Eastern Arctic shelf and Arctic deep water basins: link between geological history and geodynamics Open
In our study, we have developed a new tectonic scheme of the Arctic Ocean, which is based mainly on seismic profiles obtained in the Arctic-2011, Arctic-2012 and Arctic-2014 Projects implemented in Russia. Having interpreted many seismic p…