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 …

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 …

Thermal and compositional anomalies in a detailed xenolith-based lithospheric mantle profile of the Siberian craton and the origin of seismic midlithosphere …

Z Liu, DA Ionov, P Nimis, Y Xu, P He… - …, 2022 - pubs.geoscienceworld.org
The fine structure and thermal state of> 200-km-thick cratonic lithosphere remain poorly
explored because of insufficient sampling and uncertainties in pressure (P) and temperature …

[HTML][HTML] On the role of Earth's lithospheric mantle in global volatile cycles

SA Gibson, D McKenzie - Earth and Planetary Science Letters, 2023 - Elsevier
In whole-Earth models of volatile cycles the outflux from our planet's convecting mantle to its
surface via volcanoes, including those essential for life (eg C, H 2 O, S, F, Cl), is traditionally …

Mapping the structure and metasomatic enrichment of the lithospheric mantle beneath the Kimberley Craton, Western Australia

ZJ Sudholz, AL Jaques, GM Yaxley… - Geochemistry …, 2023 - Wiley Online Library
The lithology, geochemistry, and architecture of the continental lithospheric mantle (CLM)
underlying the Kimberley Craton of north‐western Australia has been constrained using …

Amphibole stability, water storage in the mantle, and the nature of the lithosphere-asthenosphere boundary

MP Juriček, H Keppler - Earth and Planetary Science Letters, 2023 - Elsevier
Amphibole could potentially be an important host of water in the upper mantle. Moreover, the
decomposition of amphibole has been invoked as a possible cause of the lithosphere …

[HTML][HTML] The 'pargasosphere'hypothesis: Looking at global plate tectonics from a new perspective

IJ Kovács, N Liptai, A Koptev, SAPL Cloetingh… - Global and Planetary …, 2021 - Elsevier
Apart from the lithosphere-asthenosphere boundary (LAB), mid-lithospheric discontinuities
(MLDs) in thick and old continental lithospheres appear to play an important role in global …

Global patterns in cratonic mid‐lithospheric discontinuities from Sp receiver functions

HE Krueger, I Gama, KM Fischer - Geochemistry, Geophysics …, 2021 - Wiley Online Library
The goal of this study is to constrain the origins of layering in the seismic velocity structure
within the cratonic mantle lithosphere (ie mid‐lithospheric discontinuities [MLDs]). For long …

The effect of fluorine on mineral-carbonatitic melt partitioning of trace elements–Implications for critical mineral deposits

S Xue, R Dasgupta, MX Ling, W Sun… - … et Cosmochimica Acta, 2024 - Elsevier
Natural carbonatite is associated with various types of deposits, including rare earth
elements (REEs) and high-field strength elements (eg, Nb). Although the spatial relationship …

Formation of Tarim large igneous province and strengthened lithosphere revealed through machine learning

R Zhang, Z Cheng, Z Zhang, Z Chen… - Journal of …, 2023 - Wiley Online Library
Earth history is punctuated by voluminous magmatism and the formation of large igneous
provinces (LIPs). Although anomalous mantle temperatures are known to be involved in …