Rationale for BepiColombo studies of Mercury's surface and composition

DA Rothery, M Massironi, G Alemanno, O Barraud… - Space science …, 2020 - Springer
BepiColombo has a larger and in many ways more capable suite of instruments relevant for
determination of the topographic, physical, chemical and mineralogical properties of …

A framework for the origin and deep cycles of volatiles in rocky exoplanets

R Dasgupta, D Pathak… - Reviews in Mineralogy …, 2024 - pubs.geoscienceworld.org
Since the first discovery of planets in another solar system of our galaxy in the early 90s and
the discovery of 51 Pegassi b, a Jovian-type planet around a Sun-like star in 1995 (Mayor …

A diamond-bearing core-mantle boundary on Mercury

Y Xu, Y Lin, P Wu, O Namur, Y Zhang… - Nature …, 2024 - nature.com
Abundant carbon was identified on Mercury by MESSENGER, which is interpreted as the
remnant of a primordial graphite flotation crust, suggesting that the magma ocean and core …

Early volatile depletion on planetesimals inferred from C–S systematics of iron meteorite parent bodies

MM Hirschmann, EA Bergin… - Proceedings of the …, 2021 - National Acad Sciences
During the formation of terrestrial planets, volatile loss may occur through nebular
processing, planetesimal differentiation, and planetary accretion. We investigate iron …

Growth and evolution of secondary volcanic atmospheres: I. Identifying the geological character of hot rocky planets

P Liggins, S Jordan, PB Rimmer… - Journal of Geophysical …, 2022 - Wiley Online Library
The geology of Earth and super‐Earth sized planets will, in many cases, only be observable
via their atmospheres. Here, we investigate secondary volcanic atmospheres as a key base …

Nitrogen and carbon fractionation in planetary magma oceans and origin of the superchondritic C/N ratio in the bulk silicate Earth

Y Li, M Wiedenbeck, B Monteleone, R Dasgupta… - Earth and Planetary …, 2023 - Elsevier
Volatiles are important for planetary geodynamics, climate, and habitability. The C/N ratio of
the bulk silicate Earth (BSE) is superchondritic, which provides a useful tool for …

The speciation of carbon, nitrogen, and water in magma oceans and its effect on volatile partitioning between major reservoirs of the Solar System rocky bodies

DS Grewal, R Dasgupta, A Farnell - Geochimica et Cosmochimica Acta, 2020 - Elsevier
The composition of atmospheres and the resulting potential for planetary habitability in the
rocky bodies of our Solar System and beyond is strongly controlled by the volatile exchange …

A mineralogical reason why all exoplanets cannot be equally oxidizing

CM Guimond, O Shorttle, S Jordan… - Monthly Notices of the …, 2023 - academic.oup.com
From core to atmosphere, the oxidation states of elements in a planet shape its character.
Oxygen fugacity () is one parameter indicating these likely oxidation states. The ongoing …

Experimental constraints on metal-silicate partitioning of chlorine and implications for planetary core formation

X Yang, Z Du, Y Li - Geochimica et Cosmochimica Acta, 2023 - Elsevier
Chlorine (Cl) is critical for Earth's habitability and an important tracer for volatile accretion
processes. Yet its chemical behavior during core formation, one of the major events …

Volatile-bearing partial melts in the lithospheric and sub-lithospheric mantle on Earth and other rocky planets

R Dasgupta, P Chowdhury… - … in Mineralogy and …, 2022 - pubs.geoscienceworld.org
Generation and extraction of partial melts from the interior of rocky planets are essential
steps for supplying heat and life-essential nutrients to the surface environments …