Mineral inclusions in lithospheric diamonds

T Stachel, S Aulbach, JW Harris - Reviews in Mineralogy …, 2022 - pubs.geoscienceworld.org
Initially, it may seem extremely daunting to be sitting in front of several thousand carats of
small diamonds, knowing that the likelihood of finding a diamond with a meaningful …

Fluid inclusions in fibrous diamonds

Y Weiss, J Czas, O Navon - Reviews in Mineralogy and …, 2022 - pubs.geoscienceworld.org
Most diamonds are metasomatic minerals, which means they grew from fluids or melts that
moved through solid mantle rocks and chemically interacted with them. The involvement of …

Carbon and nitrogen in mantle-derived diamonds

T Stachel, P Cartigny, T Chacko… - … in Mineralogy and …, 2022 - pubs.geoscienceworld.org
This chapter is devoted to the carbon and nitrogen stable isotope compositions of terrestrial
diamonds with a strong focus on monocrystalline diamonds formed in Earth's mantle. The …

Extended Deep Earth Water Model for predicting major element mantle metasomatism

F Huang, DA Sverjensky - Geochimica et Cosmochimica Acta, 2019 - Elsevier
Fluids in the deep crust and upper mantle appear to have played roles in the long-term
evolution of the subcratonic lithospheric mantle and the stabilities of the continents, in the …

Supercritical fluids at subduction zones: Evidence, formation condition, and physicochemical properties

H Ni, L Zhang, X Xiong, Z Mao, J Wang - Earth-Science Reviews, 2017 - Elsevier
There is a general consensus that at subduction zones, mass transfer from the subducted
slab to the overlying mantle wedge is mediated by a hydrous mobile phase. However, it is …

Diamond formation due to a pH drop during fluid–rock interactions

DA Sverjensky, F Huang - Nature communications, 2015 - nature.com
Diamond formation has typically been attributed to redox reactions during precipitation from
fluids or magmas. Either the oxidation of methane or the reduction of carbon dioxide has …

Coupled cycling of carbon and water in the form of hydrous carbonatitic liquids in the subarc region

W Chen, S Keshav, W Peng… - Journal of Geophysical …, 2023 - Wiley Online Library
The melting behavior of subducted ophicarbonate is experimentally investigated under
conditions relevant for slabs at subarc depths (2.5–6 GPa and 650–1000° C). Hydrous …

Using major element logratios to recognize compositional patterns of basalt: Implications for source lithological and compositional heterogeneities

ZF Yang, J Li, QB Jiang, F Xu, SY Guo… - … Research: Solid Earth, 2019 - Wiley Online Library
Understanding the source lithology of basalts can greatly impact our understanding of
magmatic processes, which can help us gain insight into mantle heterogeneity and crustal …

[HTML][HTML] The importance of carbon to the formation and composition of silicates during mantle metasomatism

M Rinaldi, S Mikhail, DA Sverjensky, J Kalita - … et Cosmochimica Acta, 2023 - Elsevier
Mineral and fluid inclusions in mantle diamonds provide otherwise inaccessible information
concerning the nature of mantle metasomatism and the role of fluids in the mass transfer of …

The water‐saturated solidus and second critical endpoint of peridotite: Implications for magma genesis within the mantle wedge

J Wang, E Takahashi, X Xiong, L Chen… - Journal of …, 2020 - Wiley Online Library
The “wet” silicate solidus of mantle peridotite defines the initial melting temperature of
Earth's mantle under water‐saturated conditions and the second critical endpoint (SCEP) …