Inefficient nitrogen transport to the lower mantle by sediment subduction

W Huang, Y Yang, Y Li, Z Xu, S Yang, S Guo… - Nature …, 2024 - nature.com
The fate of sedimentary nitrogen during subduction is essential for understanding the origin
of nitrogen in the deep Earth. Here we study the behavior of nitrogen in slab sediments …

High precision measurement of trace F and Cl in olivine by electron probe microanalysis

D Zhang, Y Chen, B Su, C Qi, Q Mao - Progress in Earth and Planetary …, 2023 - Springer
Fluorine (F) and chlorine (Cl) are important volatiles in olivine and its high-pressure
polymorphs, which would significantly affect olivine phase transition, melting temperature …

Observation of iron with eight coordination in iron trifluoride under high pressure

W Lu, S Liu, M Zhou, H Wang, G Liu… - Angewandte Chemie …, 2024 - Wiley Online Library
The chemistry of hypercoordination has been a subject of fundamental interest, especially
for understanding structures that challenge conventional wisdom. The small ionic radii of Fe …

Impact of fluorine on the thermal stability of phlogopite

J Sun, Y Yang, J Ingrin, Z Wang, Q **a - American Mineralogist, 2022 - degruyter.com
Abstract Knowledge of volatile cycling is vital to understanding the evolution of the planet
and the life it supports. Although it has been gradually accepted that the mantle is a vast …

Titanium-rich metasomatism in the lithospheric mantle beneath the Arkhangelsk Diamond Province, Russia: insights from ilmenite-bearing xenoliths and HP–HT …

A Kargin, Y Bussweiler, A Nosova, L Sazonova… - … to Mineralogy and …, 2021 - Springer
To provide new insights into the interaction of ultramafic alkaline melts with the
subcontinental lithospheric mantle, we present results of a petrographical-mineralogical …

Constraining the presence of amphibole and mica in metasomatized mantle sources through halogen partitioning experiments

S Flemetakis, S Klemme, A Stracke, F Genske, J Berndt… - Lithos, 2021 - Elsevier
We present experimentally determined partition coefficients (D min/melt) for F and Cl
between pargasite (amphibole), phlogopite (mica), clinopyroxene and basanitic melts. All …

The stability of antigorite in subduction zones revisited: the effect of F on antigorite stability and its breakdown reactions at high pressures and high temperatures, with …

S Flemetakis, C Tiraboschi, A Rohrbach… - … to Mineralogy and …, 2022 - Springer
We present new experimental data on the effect of F on the stability of antigorite and its
breakdown products at high pressures (2–6 GPa) and high temperatures (570–850° C). The …

Fluorine solubility in bridgmanite: A potential fluorine reservoir in the Earth's mantle

T Yoshino, V Jaseem - Earth and Planetary Science Letters, 2018 - Elsevier
Chondrite-normalized abundance of fluorine (F) in the bulk silicate Earth (BSE) is more
abundant than the other heavy halogens. Recent studies suggested that the common …

[HTML][HTML] Topaz, a potential volatile-carrier in cold subduction zone: Constraint from synchrotron X-ray diffraction and Raman spectroscopy at high temperature and …

S Huang, J Xu, C Chen, B Li, Z Ye, W Chen, Y Kuang… - Minerals, 2020 - mdpi.com
The equation of state and stability of topaz at high-pressure/high-temperature conditions
have been investigated by in situ synchrotron X-ray diffraction (XRD) and Raman …

[HTML][HTML] Accretion and Core Formation of Earth-like Planets: Insights from Metal–Silicate Partitioning of Siderophile and Volatile Elements

D Loroch, S Hackler, A Rohrbach, J Berndt, S Klemme - Geosciences, 2024 - mdpi.com
The origin of volatile elements, the timing of their accretion and their distribution during
Earth's differentiation are fundamental aspects of Earth's early evolution. Here, we present …