Anomalous concentrations of zinc and copper in highmoor peat bog, southeast coast of Lake Baikal

V. A. Bobrov, A. A. Bogush, G. A. Leonova, V. A. Krasnobaev, G. N. Anoshin

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

When examining the peat deposit discovered in Vydrinaya bog, South Baikal region, the authors encountered anomalous Zn and Cu concentrations for highmoors being up to 600-500 ppm on a dry matter basis in the Early Holocene beds (360-440 cm) formed 11 000-8500 years ago. It has been demonstrated that Zn and Cu are present inside the plant cells of peat moss in the form of authigenic sulfide minerals of micron size. Apart from Zn and Cu, native Ag particles (5-7 um) have been encountered in the peat of the Vydrinaya bog at a depth of 390-410 cm; these particles formed inside the organic matter of the plasma membrane of peat moss containing Ca, Al, S, and Cu. This study suggests probable patterns of the formation of zinc sulfides, copper sulfides, and native silver in peat moss. The results obtained indicate that biogenic mineral formation plays a significant role in this system, which is a very important argument in the discussion on the ore genesis, in which physicochemical processes are normally favored, while the role of living matter is quite frequently disregarded.

Original languageEnglish
Pages (from-to)1152-1156
Number of pages5
JournalDoklady Earth Sciences
Volume439
Issue number2
DOIs
Publication statusPublished - 1 Aug 2011
Externally publishedYes

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peatland
peat
zinc
copper
coast
moss
lake
sulfide
bog
biogenic mineral
dry matter
silver
Holocene
membrane
plasma
organic matter
mineral
particle

Keywords

  • DOKLADY Earth Science
  • Zinc Sulfide
  • Copper Sulfide
  • Southeast Coast
  • Peat Deposit

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)
  • Earth and Planetary Sciences(all)

Cite this

Anomalous concentrations of zinc and copper in highmoor peat bog, southeast coast of Lake Baikal. / Bobrov, V. A.; Bogush, A. A.; Leonova, G. A.; Krasnobaev, V. A.; Anoshin, G. N.

In: Doklady Earth Sciences, Vol. 439, No. 2, 01.08.2011, p. 1152-1156.

Research output: Contribution to journalArticle

Bobrov, V. A. ; Bogush, A. A. ; Leonova, G. A. ; Krasnobaev, V. A. ; Anoshin, G. N. / Anomalous concentrations of zinc and copper in highmoor peat bog, southeast coast of Lake Baikal. In: Doklady Earth Sciences. 2011 ; Vol. 439, No. 2. pp. 1152-1156.
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