Phosphorus mineral evolution and prebiotic chemistry: From minerals to microbes
Phosphorus availability is considered a limiting factor in many scenarios for the origin of life.
The concentration of P in environments of prebiotic interest will have been governed by the …
The concentration of P in environments of prebiotic interest will have been governed by the …
A relatively dry mantle transition zone revealed by geomagnetic diurnal variations
The distribution of water within the mantle transition zone (MTZ) has important implications
for the material circulation and partial melting of the mantle. Although solubility of hydrogen …
for the material circulation and partial melting of the mantle. Although solubility of hydrogen …
Bridgmanite is nearly dry at the top of the lower mantle
Water solubility in the dominant lower-mantle bridgmanite phase remains controversial.
Discrepancies between previous results highlight the importance of the growth high-quality …
Discrepancies between previous results highlight the importance of the growth high-quality …
[HTML][HTML] The lithospheric-to-lower-mantle carbon cycle recorded in superdeep diamonds
The transport of carbon into Earth's mantle is a critical pathway in Earth's carbon cycle,
affecting both the climate and the redox conditions of the surface and mantle. The largest …
affecting both the climate and the redox conditions of the surface and mantle. The largest …
[HTML][HTML] Extreme redox variations in a superdeep diamond from a subducted slab
The introduction of volatile-rich subducting slabs to the mantle may locally generate large
redox gradients, affecting phase stability, element partitioning and volatile speciation. Here …
redox gradients, affecting phase stability, element partitioning and volatile speciation. Here …
Hydrous SiO2 in subducted oceanic crust and H2O transport to the core-mantle boundary
Subduction of oceanic lithosphere transports surface H 2 O into the mantle. Recent studies
show that dense SiO 2 in the form of stishovite, an abundant mineral in subducted oceanic …
show that dense SiO 2 in the form of stishovite, an abundant mineral in subducted oceanic …
Possible chemical composition and interior structure models of Venus inferred from numerical modelling
Venus' mass and radius are similar to those of Earth. However, dissimilarities in atmospheric
properties, geophysical activity, and magnetic field generation could hint toward significant …
properties, geophysical activity, and magnetic field generation could hint toward significant …
[HTML][HTML] A first-principles molecular dynamics study of molecular hydrogen diffusion in Fe-free olivine
Molecular hydrogen (H 2) may be an important form of water in nominally anhydrous
minerals in the Earth's mantle and plays a critical role in mantle water cycle, but the transport …
minerals in the Earth's mantle and plays a critical role in mantle water cycle, but the transport …
The stability of FeHx and hydrogen transport at Earth's core mantle boundary
Iron hydride in Earth's interior can be formed by the reaction between hydrous minerals
(water) and iron. Studying iron hydride improves our understanding of hydrogen …
(water) and iron. Studying iron hydride improves our understanding of hydrogen …
Water storage capacity of the martian mantle through time
Water has been stored in the Martian mantle since its formation, primarily in nominally
anhydrous minerals. The short-lived early hydrosphere and intermittently flowing water on …
anhydrous minerals. The short-lived early hydrosphere and intermittently flowing water on …