Biogenic nanomagnetite in the Lebedinskii deposit: Evidence of biochemical processes in the origin of banded iron formation of KMA

N. S. Bortnikov; V. M. Novikov; N. M. Boeva; A. P. Zhukhlistov; E. A. Zhegallo; S. V. Soboleva

doi:10.1134/S1028334X17110101

Biogenic nanomagnetite in the Lebedinskii deposit: Evidence of biochemical processes in the origin of banded iron formation of KMA

Authors: Bortnikov N.S.¹, Novikov V.M.¹, Boeva N.M.¹, Zhukhlistov A.P.¹, Zhegallo E.A.², Soboleva S.V.¹
Affiliations:
1. Institute of Ore Deposits Geology, Petrography, Mineralogy, and Geochemistry
2. Borissiak Paleontological Institute
Issue: Vol 477, No 1 (2017)
Pages: 1316-1319
Section: Geochemistry
URL: https://journals.rcsi.science/1028-334X/article/view/191445
DOI: https://doi.org/10.1134/S1028334X17110101
ID: 191445

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Abstract

For the first time, biogenic nanomagnetite has been detected in banded iron formation of the Lebedinskii deposit of the KMA and has been demonstrated to be a primary mineral. This finding may imply a key role of metabolic processes in primary deposition of divalent iron with formation of trivalent iron minerals, the precursors of banded iron formation of the KMA.