Hydrogen and Carbon Groups in the Structures of Rock-Forming Minerals of Rocks of the Lithospheric Mantle: FTIR and STA + QMS Data
- Autores: Babushkina M.S.1, Ugolkov V.L.2, Marin Y.B.3, Nikitina L.P.1,4, Goncharov A.G.1,4
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Afiliações:
- Institute of Precambrian Geology and Geochronology
- Institute of Silicate Chemistry
- St. Petersburg Mining University
- St. Petersburg State University
- Edição: Volume 479, Nº 2 (2018)
- Páginas: 456-459
- Seção: Geology
- URL: https://ogarev-online.ru/1028-334X/article/view/192752
- DOI: https://doi.org/10.1134/S1028334X18040013
- ID: 192752
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Resumo
Using IR–Fourier spectrometry (FTIR) and simultaneous thermal analysis combined with quadrupole mass spectrometry of thermal decomposition products (STA + QMS), olivines and clinopyroxene from xenolites of spinel and garnet lherzolites contained in kimberlites and alkaline basalts were studied to confirm the occurrence of hydrogen and carbon within the structure of the minerals, as well as to specify the forms of H and C. The presence of hydroxyl ions (OH–) and molecules of crystal hydrate water (H2Ocryst) along with CO2, CH, CH2, and CH3 groups was detected, which remained within the structures of mantle minerals up to 1300°C (by the data of both techniques). The total water (OH–and H2Ocryst) was the prevailing component of the C–O–H system.
Sobre autores
M. Babushkina
Institute of Precambrian Geology and Geochronology
Autor responsável pela correspondência
Email: msbab@mail.ru
Rússia, St. Petersburg, 690950
V. Ugolkov
Institute of Silicate Chemistry
Email: msbab@mail.ru
Rússia, St. Petersburg, 199155
Yu. Marin
St. Petersburg Mining University
Email: msbab@mail.ru
Rússia, St. Petersburg, 199106
L. Nikitina
Institute of Precambrian Geology and Geochronology; St. Petersburg State University
Email: msbab@mail.ru
Rússia, St. Petersburg, 690950; St. Petersburg, 199034
A. Goncharov
Institute of Precambrian Geology and Geochronology; St. Petersburg State University
Email: msbab@mail.ru
Rússia, St. Petersburg, 690950; St. Petersburg, 199034
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