On the origin(s) and evolution of Earth’s carbon
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The isotopic “flavor” of Earth’s major volatiles, including carbon, can be compared to the known reservoirs of volatiles in the solar system and so determine the source of Earth’s carbon. This requires knowing Earth’s bulk carbon isotope value, which is not straightforward to determine. During Earth’s differentiation, carbon was partitioned into the core, mantle, crust, and atmosphere. Therefore, although carbon is omnipresent within the Earth system, scientists have yet to determine its distribution and relative abundances. This article addresses what we know of the processes involved in the formation of Earth’s carbon reservoirs, and, by deduction, what we know about the possible origins of Earth’s carbon.
Mikhail , S & Füri , E 2019 , ' On the origin(s) and evolution of Earth’s carbon ' Elements , vol. 15 , no. 5 , pp. 307-312 . https://doi.org/10.2138/gselements.15.5.307
Copyright © The Mineralogical Society of America. Open Access article. This is licenced under a CC BY-SA Licence (https://creativecommons.org/licenses/by-sa/3.0/). Any subsequent reuse of this content must be licenced under the same Creative Commons Share Alike licence.
DescriptionSM acknowledges support from the National Environmental Research Council (grant no. NE/PO12167/1) and the Carnegie Trust for the Universities of Scotland (grant no. RIG007794). EF acknowledges funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement no. 715028).
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