Diagenetic Transformation of Sapropel from Lake Dukhovoe (East Baikal Region, Russia)

A.A. Bogush, G.A. Leonova, S.K. Krivonogov, V.A. Bobrov, V.D. Tikhova, L.M. Kondratyeva, A.E. Kuzmina, A.E. Maltsev

Research output: Contribution to journalArticle

Abstract

The chemical and microbiological composition of sapropel was investigated in the 7 m Holocene sediment core of Lake Dukhovoe. Sapropel is mainly formed from phytoplankton. Heterotrophic bacteria play the main role in the decomposition of organic matter in this sapropel, with the formation of organic-mineral complexes. A reducing type of diagenesis was established in the sapropel. Processes of sapropel transformation under the influence of mechanical, biochemical, microbiological, and physicochemical processes lead to the formation of geochemical barriers and new phases (organic-mineral complexes, diatomite, pyrite inside the cyst of Сhrysophyceae, framboidal pyrite, vivianite, carbonates, etc.), as well as the accumulation and leaching of elements.
Original languageEnglish
Pages (from-to)81-84
Number of pages4
JournalProcedia Earth and Planetary Science
Volume7
DOIs
Publication statusPublished - 23 Apr 2013
Externally publishedYes

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sapropel
lake
pyrite
vivianite
diatomite
mineral
cyst
diagenesis
sediment core
leaching
phytoplankton
Holocene
decomposition
carbonate
organic matter
bacterium

Bibliographical note

© 2013 The Authors. Open access under CC BY-NC-ND license.

Cite this

Bogush, A. A., Leonova, G. A., Krivonogov, S. K., Bobrov, V. A., Tikhova, V. D., Kondratyeva, L. M., ... Maltsev, A. E. (2013). Diagenetic Transformation of Sapropel from Lake Dukhovoe (East Baikal Region, Russia). Procedia Earth and Planetary Science, 7, 81-84. https://doi.org/10.1016/j.proeps.2013.03.161

Diagenetic Transformation of Sapropel from Lake Dukhovoe (East Baikal Region, Russia). / Bogush, A.A.; Leonova, G.A.; Krivonogov, S.K.; Bobrov, V.A.; Tikhova, V.D.; Kondratyeva, L.M.; Kuzmina, A.E.; Maltsev, A.E.

In: Procedia Earth and Planetary Science, Vol. 7, 23.04.2013, p. 81-84.

Research output: Contribution to journalArticle

Bogush, AA, Leonova, GA, Krivonogov, SK, Bobrov, VA, Tikhova, VD, Kondratyeva, LM, Kuzmina, AE & Maltsev, AE 2013, 'Diagenetic Transformation of Sapropel from Lake Dukhovoe (East Baikal Region, Russia)' Procedia Earth and Planetary Science, vol. 7, pp. 81-84. https://doi.org/10.1016/j.proeps.2013.03.161
Bogush, A.A. ; Leonova, G.A. ; Krivonogov, S.K. ; Bobrov, V.A. ; Tikhova, V.D. ; Kondratyeva, L.M. ; Kuzmina, A.E. ; Maltsev, A.E. / Diagenetic Transformation of Sapropel from Lake Dukhovoe (East Baikal Region, Russia). In: Procedia Earth and Planetary Science. 2013 ; Vol. 7. pp. 81-84.
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