Carbon and nitrogen in mantle-derived diamonds
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 …
diamonds with a strong focus on monocrystalline diamonds formed in Earth's mantle. The …
The geobiological nitrogen cycle: from microbes to the mantle
Nitrogen forms an integral part of the main building blocks of life, including DNA, RNA, and
proteins. N2 is the dominant gas in Earth's atmosphere, and nitrogen is stored in all of …
proteins. N2 is the dominant gas in Earth's atmosphere, and nitrogen is stored in all of …
[HTML][HTML] Origin of sub-lithospheric diamonds from the Juina-5 kimberlite (Brazil): constraints from carbon isotopes and inclusion compositions
AR Thomson, SC Kohn, GP Bulanova, CB Smith… - … to Mineralogy and …, 2014 - Springer
Forty-one diamonds sourced from the Juina-5 kimberlite pipe in Southern Brazil, which
contain optically identifiable inclusions, have been studied using an integrated approach …
contain optically identifiable inclusions, have been studied using an integrated approach …
[HTML][HTML] 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 …
fluids or magmas. Either the oxidation of methane or the reduction of carbon dioxide has …
Diamonds in ophiolites: Contamination or a new diamond growth environment?
For more than 20 years, the reported occurrence of diamonds in the chromites and
peridotites of the Luobusa massif in Tibet (a complex described as an ophiolite) has been …
peridotites of the Luobusa massif in Tibet (a complex described as an ophiolite) has been …
Diamonds and the mantle geodynamics of carbon
The science of studying diamond inclusions for understanding Earth history has developed
significantly over the past decades, with new instrumentation and techniques applied to …
significantly over the past decades, with new instrumentation and techniques applied to …
[HTML][HTML] Equilibrium partitioning and isotopic fractionation of nitrogen between biotite, plagioclase, and K-feldspar during magmatic differentiation
A significant portion of the continental crust is composed of plutonic igneous rocks. However,
little is known about the geochemical behaviour of N between the different minerals during …
little is known about the geochemical behaviour of N between the different minerals during …
Fluid inclusions in Ebelyakh diamonds: Evidence of CO2 liberation in eclogite and the effect of H2O on diamond habit
Fluid inclusions were studied in six octahedrally-grown, eclogitic diamonds from the
Ebelyakh River mine, northern Russia, using microthermometry and Raman spectroscopy …
Ebelyakh River mine, northern Russia, using microthermometry and Raman spectroscopy …
Carbon and nitrogen speciation in nitrogen-rich C–O–H–N fluids at 5.5–7.8 GPa
AG Sokol, YN Palyanov, AA Tomilenko… - Earth and Planetary …, 2017 - Elsevier
Carbon and nitrogen speciation has been studied in high-pressure experiments in the C–O–
H–N and C–O–H–N–Fe 3 C systems at 5.5 to 7.8 GPa and 1100 to 1500° C using a split …
H–N and C–O–H–N–Fe 3 C systems at 5.5 to 7.8 GPa and 1100 to 1500° C using a split …
Deep carbon through time: Earth's diamond record and its implications for carbon cycling and fluid speciation in the mantle
Diamonds are unrivalled in their ability to record the mantle carbon cycle and mantle fO 2
over a vast portion of Earth's history. Diamonds' inertness and antiquity means their carbon …
over a vast portion of Earth's history. Diamonds' inertness and antiquity means their carbon …