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 …

Imperfections in natural diamond: the key to understanding diamond genesis and the mantle

MC Day, MG Pamato, D Novella, F Nestola - La Rivista del Nuovo …, 2023 - Springer
Diamond has unique physical, thermal, electrical, and optical properties with respect to other
minerals and related synthetic compounds that make it extremely valuable from an …

Between carbonatite and lamproite—diamondiferous Torngat ultramafic lamprophyres formed by carbonate-fluxed melting of cratonic MARID-type metasomes

S Tappe, SF Foley, BA Kjarsgaard, RL Romer… - … et Cosmochimica Acta, 2008 - Elsevier
New U–Pb perovskite ages reveal that diamondiferous ultramafic lamprophyre magmas
erupted through the Archean crust of northern Labrador and Quebec (eastern Canada) …

Giant rare earth element accumulation related to voluminous, highly evolved carbonatite: a microanalytical study of carbonate minerals from the Bayan Obo deposit …

XC Li, HR Fan, JH Su, DI Groves… - Economic …, 2024 - pubs.geoscienceworld.org
Abstract The giant Bayan Obo deposit in China represents the largest rare earth element
(REE) resource in the world, but the mechanisms for its highly anomalous REE enrichment …

Significance of hydrothermal reworking for REE mineralization associated with carbonatite: Constraints from in situ trace element and C-Sr isotope study of calcite and …

YC Ying, W Chen, A Simonetti, SY Jiang… - … et Cosmochimica Acta, 2020 - Elsevier
A majority of carbonatite-related rare earth element (REE) deposits are found in cratonic
margins and orogenic belts, and metasomatic/hydrothermal reworking is common in these …

Mercury isotope fractionation during volatilization of Hg (0) from solution into the gas phase

W Zheng, D Foucher, H Hintelmann - Journal of Analytical Atomic …, 2007 - pubs.rsc.org
The objective of this work was to determine the magnitude of mercury isotope fractionation
during volatilization of Hg (0) dissolved in aqueous solution to the gas phase and to develop …

[書籍][B] Geofluids: developments in microthermometry, spectroscopy, thermodynamics, and stable isotopes

V Hurai, M Huraiová, M Slobodník, R Thomas - 2015 - books.google.com
Geofluids: Developments in Microthermometry, Spectroscopy, Thermodynamics, and Stable
Isotopes is the definitive source on paleofluids and the migration of hydrocarbons in …

Cadmium isotopic fractionation in lead-zinc smelting process and signatures in fluvial sediments

Q Zhong, M Yin, Q Zhang, J Beiyuan, J Liu… - Journal of Hazardous …, 2021 - Elsevier
Cadmium (Cd) is a toxic heavy metal pollutant. Various industrial activities, especially metal
smelting, are the main sources of Cd pollution. Cd isotopes have exhibited the ability to be …

Carbonatitic magma fractionation and contamination generate rare earth element enrichment and mineralization in the Maoniu** giant REE deposit, SW China

X Zheng, Y Liu, MP Smith, J Kynický… - Journal of Petrology, 2023 - academic.oup.com
Carbonatite intrusions host the world's most important light rare earth element (LREE)
deposits, and their formation generally requires extraordinary fertile sources, magmatic …

Mineralization of the Bayan Obo rare earth element deposit by recrystallization and decarbonation

C Wei, M Deng, C Xu… - Economic …, 2022 - pubs.geoscienceworld.org
The genesis of the Bayan Obo giant rare earth element (REE) deposit has been debated for
several decades. Here, we report the isotopic effects of dynamic recrystallization in the H8 …