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H2O-poor minerals in equilibrium with volatile-bearing fluids: Insights from diamond-hosted mineral inclusions

delete2026-07-30
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OA
AI
A
Andrea Curtolo *
M
Maxwell C. Day
T
Thomas Stachel
M
Martha G. Pamato
F
Fabrizio Nestola
I
Ingrid Chinn
D
Davide Novella
DOI：10.1016/j.epsl.2026.120247delete
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Abstract

Abstract

En 中文
• Inclusions in Canadian diamonds are H2O-poor like in Africa and Russia. • Canadian mantle xenoliths are more H2O-rich than inclusions in Canadian diamonds. • Thermodynamic modelling predicts H2O-rich fluid at diamond formation conditions. • H2O-poor inclusions require equilibrium with fluids with low H2O activity. • Diamonds likely form from carbonatitic and hydrous-carbonated silicate melts.
Keywords:
Diamond
Inclusions
H2O
Canada
COH fluids
Thermodynamic model

Journal

Earth and Planetary Science Letters cover
Earth and Planetary Science Letters
IF:
5.1
Papers:
774
Citations:
6.9W

Organization

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U
università degli studi di padova
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309
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U
universität bayreuth
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Papers: 39
Citations: 0
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