HM
Member Since 2006
Hauke Marquardt
Professor of Earth Sciences, University of Oxford
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Phase Transitions and Elasticity of Polycrystals Studied Using Pressure Oscillation Experiments in the dDAC
AGU 2024
mineral and rock physics | 11 december 2024
Estelle Ledoux, Johannes Buchen, Biao Wang, Niccol...
Understanding phase transitions in mantle minerals is key to interpret geophysical observables, constrain geodynamic simulations, and improve models o...
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Chemical Interactions of Methane with Iron at Extreme Conditions
AGU 2024
mineral and rock physics | 10 december 2024
Estelle Ledoux, Egor Koemets, Timofey Fedotenko, K...
Methane and methane hydrates are thought to be present in some planetary bodies of our Solar system and beyond, as compounds of planetary ices. When a...
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Iron Content‐Dependence of Ferropericlase Elastic Properties Across the Spin Crossover From Novel Experiments and Machine Learning
GEOPHYSICAL RESEARCH LETTERS
13 november 2024
Viktoria Trautner, Johannes Buchen, Laura J. Cobde...
The iron spin crossover in (Mg1‐xFex)O ferropericlase causes changes to its physical properties that are expected to affect seismic velocitie...
Post-Stishovite Phase Transition in the Earth's Lower Mantle: Insights from Experiments with Time-Resolved X-Ray Diffraction in Dynamic Diamond Anvil Cells
PROBING EARTH AND PLANETARY MATERIALS UNDER EXTREME CONDITIONS II POSTER
mineral and rock physics | 13 december 2023
Biao Wang, Johannes Buchen, Alba San José Méndez, ...
Subducting slabs transport Mid-Ocean Ridge Basalts (MORBs) into the Earths lower mantle, where former MORBs contain approximately 20-25 vol.% SiO2 sti...
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Interdisciplinary approach to investigate the iron spin crossover in ferropericlase in the lower mantle: mineral physics experiments, computations and seismic tomography
PROBING EARTH AND PLANETARY MATERIALS UNDER EXTREME CONDITIONS I ORAL
mineral and rock physics | 13 december 2023
Viktoria Trautner, Stephen Stackhouse, Paula Koele...
The second most abundant mineral in a pyrolitic lower mantle is (Mg,Fe)O ferropericlase. At the pressure-temperature conditions of Earths deep interio...
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Using Time-resolved X-ray Diffraction in Continuous Compression Experiments to Explore Earth’s Deep Interior
ADVANCED EXPERIMENTAL, COMPUTATIONAL, AND ANALYTICAL APPROACHES IN EXPLORING DEEP PLANETARY INTERIORS IV ORAL
mineral and rock physics | 12 december 2023
Hauke Marquardt, Biao Wang, Viktoria Trautner, Han...
Processes in Earth's deep mantle govern our planet's inner dynamics and impact on surface plate tectonics. A quantitative understanding of the physica...
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Stress and Strain Partitioning in Polycrystalline Materials at High Pressures and Seismic Frequencies
THERMODYNAMIC PROPERTIES OF PLANETARY MATERIALS II ORAL
mineral and rock physics | 11 december 2023
Johannes Buchen, Biao Wang, Niccolò Satta, Viktori...
Our image of the structure and dynamics of Earth's deep interior depends significantly on the interpretation of seismic observations. Seismic tomograp...
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Strong Effect of Stress on the Seismic Signature of the Post‐Stishovite Phase Transition in the Earth's Lower Mantle
GEOPHYSICAL RESEARCH LETTERS
19 may 2023
Biao Wang, Johannes Buchen, Alba San José Méndez, ...
The stishovite to post‐stishovite phase transition may modify the scattering of seismic waves by stishovite‐bearing rocks in the Earth'...