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Isotope compositions of C and O of magmatic calcites from the Udachnaya-East pipe kimberlite, Yakutia.

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Title: Isotope compositions of C and O of magmatic calcites from the Udachnaya-East pipe kimberlite, Yakutia.
Authors: Kuzmin, D., Sobolev, N., Tomilenko, A.1, Dublyansky, Yu.2
Source: Doklady Earth Sciences. Jul2017, Vol. 475 Issue 1, p828-831. 4p.
Subjects: Magmas, Calcite analysis, Carbon isotopes, Oxygen isotopes, Kimberlite eruptions, Fluid inclusions
Geographic Terms: Sakha (Russia)
Abstract: It has been demonstrated for the first time that the isotopic compositions of carbon (δC) in magmatic calcites from the Udachnaya-East pipe kimberlite groundmass varies from-2.5 to-1.0‰ (V-PDB), while those of oxygen (δO) range from 15.0 to 18.2‰ (V-SMOW). The obtained results imply that during the terminal late magmatic and postmagmatic stages of the kimberlite pipe formation, the carbonates in the kimberlite groundmass became successively heavier isotopically, which indicates the hybrid nature of the carbonate component of the kimberlite: it was formed with contributions from mantle and sedimentary marine sources. [ABSTRACT FROM AUTHOR]
Copyright of Doklady Earth Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: Isotope compositions of C and O of magmatic calcites from the Udachnaya-East pipe kimberlite, Yakutia.
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  Data: <searchLink fieldCode="DE" term="%22Magmas%22">Magmas</searchLink><br /><searchLink fieldCode="DE" term="%22Calcite+analysis%22">Calcite analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Carbon+isotopes%22">Carbon isotopes</searchLink><br /><searchLink fieldCode="DE" term="%22Oxygen+isotopes%22">Oxygen isotopes</searchLink><br /><searchLink fieldCode="DE" term="%22Kimberlite+eruptions%22">Kimberlite eruptions</searchLink><br /><searchLink fieldCode="DE" term="%22Fluid+inclusions%22">Fluid inclusions</searchLink>
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  Data: It has been demonstrated for the first time that the isotopic compositions of carbon (δC) in magmatic calcites from the Udachnaya-East pipe kimberlite groundmass varies from-2.5 to-1.0‰ (V-PDB), while those of oxygen (δO) range from 15.0 to 18.2‰ (V-SMOW). The obtained results imply that during the terminal late magmatic and postmagmatic stages of the kimberlite pipe formation, the carbonates in the kimberlite groundmass became successively heavier isotopically, which indicates the hybrid nature of the carbonate component of the kimberlite: it was formed with contributions from mantle and sedimentary marine sources. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Doklady Earth Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – SubjectFull: Carbon isotopes
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