The Imandra/Varzuga greenstone belt

Melezhik, V.A. et al. (2013) The Imandra/Varzuga greenstone belt. In: Melezhik, V.A., Prave, A.R., Hanski, E.J., Fallick, A.E., Lepland, A., Kump, L.R. and Strauss, H. (eds.) Reading the Archive of Earth's Oxygenation: Volume 2: The Core Archive of the Fennoscandian Arctic Russia - Drilling Early Earth Project. Series: Frontiers in earth sciences (2). Springer-Verlag: Berlin, Germany, pp. 505-590. ISBN 9783642296581 (doi: 10.1007/978-3-642-29659-8_2)

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The Late Archaean-Early Palaeoproterozoic transition (2500–2000 Ma) represents a hallmark period when the Earth System experienced a series of fundamental upheavals. Among them, the most important was the establishment of an oxygen-rich atmosphere (sometimes referred to as the Great Oxidation Event) and the emergence of an aerobic biosphere. Associated with this, either incidentally or causally, was a cascade of other prominent, global-scale events that considerably modified Earth’s surface environments, either temporarily or permanently; these are reviewed in Parts 1 and 8 in full, and detailed in Part 7. Briefly mentioned here, these include: the severe and global climatic event known as the Huronian glaciation; an unprecedented perturbation of the global carbon cycle, the large-magnitude Lomagundi-Jatuli positive excursion of δ13Ccarb, lasted over 160 Ma; radical changes in the phosphorus and sulphur cycles resulting in accumulation of the first-known massive sulphates and sedimentary phosphates; a radical modification in recycling of organic matter leading to the emergence of a new 13C-depleted carbon reservoir in the form of carbonate concretions; and an unprecedented accumulation of organic-rich sediments and formation of the earliest supergiant petroleum deposits.

Item Type:Book Sections
Glasgow Author(s) Enlighten ID:Brasier, Dr Alexander and Fallick, Professor Anthony
Authors: Melezhik, V.A., Prave, A.R., Lepland, A., Hanski, E.J., Romashkin, A.E., Rychanchik, D.V., Luo, Z.Y., Sharkov, E.V., Bogina, M. M., Brasier, A.T., and Fallick, A.E.
College/School:College of Science and Engineering > Scottish Universities Environmental Research Centre

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