From stars to diverse mantles, melts, crusts, and atmospheres of rocky exoplanets

CM Guimond, H Wang, F Seidler… - … in Mineralogy and …, 2024 - pubs.geoscienceworld.org
The advent of radial velocity (RV) and transit photometry method has resulted in the
detection of more than 5000 exoplanets since 1995. Of these detected planets, a significant …

Role of water in dynamics of slabs and surrounding mantle

E Ohtani, T Ishii - Progress in Earth and Planetary Science, 2024 - Springer
Water bound to various hydrous minerals can be transported deep into the mantle by slab
subduction. Serpentine is one of most important hydrous minerals in the crust and shallow …

High-temperature structural disorders stabilize hydrous aluminosilicates in the mantle transition zone

B Wang, J Liu, Y Zhang, B Nie, W Yang, J Hao… - Nature …, 2025 - nature.com
Hydrous aluminosilicates are important deep water-carriers in sediments subducting into the
deep mantle. To date, it remains enigmatic how hydrous aluminosilicates withstand …

NanoSIMS analysis of water content in bridgmanite at the micron scale: An experimental approach to probe water in Earth's deep mantle

YN Yang, Z Du, W Lu, Y Qi, YQ Zhang… - Frontiers in …, 2023 - frontiersin.org
Water, in trace amounts, can greatly alter chemical and physical properties of mantle
minerals and exert primary control on Earth's dynamics. Quantifying how water is retained …

Hydrogen diffusion in the lower mantle revealed by machine learning potentials

Y Peng, J Deng - Journal of Geophysical Research: Solid Earth, 2024 - Wiley Online Library
Hydrogen may be incorporated into nominally anhydrous minerals including bridgmanite
and post‐perovskite as defects, making the Earth's deep mantle a potentially significant …

Mantle mineralogy limits to rocky planet water inventories

CM Guimond, O Shorttle… - Monthly Notices of the …, 2023 - academic.oup.com
Nominally anhydrous minerals in rocky planet mantles can sequester multiple Earth-oceans'
worth of water. Mantle water storage capacities therefore provide an important constraint on …

[HTML][HTML] Ultrahigh Pressure Generation at High Temperatures in a Walker-Type Large-Volume Press and Multiple Applications

X Hou, Y Shang, L Chen, B Feng, Y Zhao, X Zhao… - Engineering, 2024 - Elsevier
Ultrahigh pressure generation at high temperatures is technologically challenging for large
sample volumes. In this study, we successfully generated pressures of 37.3–40.4 GPa at …

Retention of water in subducted slabs under core–mantle boundary conditions

Y Tsutsumi, N Sakamoto, K Hirose, S Tagawa… - Nature …, 2024 - nature.com
The hydrated SiO2 phase is a main carrier of water in subducting slabs in the lower mantle.
Assuming its dehydration at high temperatures above the core–mantle boundary, it has …

Hydrogen incorporation mechanism in the lower-mantle bridgmanite

N Purevjav, N Tomioka, S Yamashita… - American …, 2024 - pubs.geoscienceworld.org
Bridgmanite, the most abundant mineral in the lower mantle, can play an essential role in
deep-Earth hydrogen storage and circulation processes. To better evaluate the hydrogen …

Temperature Dependence of H2O Solubility in Al‐Free Stishovite

N Purevjav, H Fei, T Ishii, G Criniti, Y Lin… - Geophysical …, 2024 - Wiley Online Library
The role of stishovite in transporting water in subducting slabs has been a subject of debate
for several decades. Here we investigated stishovite's water solubility and its potential role in …