Emergence of the aerobic biosphere during the Archean-Proterozoic transition

Challenges of future research

Victor A. Melezhik, Anthony E. Fallick, Eero J. Hanski, Lee Kump, Aivo Lepland, Anthony R. Prave, Harald Strauss

Research output: Contribution to journalArticle

88 Citations (Scopus)

Abstract

The earth system experienced a series of fundamental upheavals throughout the Archean-Paleoproterozoic transition (ca. 2500-2000 Ma). Most important were the establishment of an oxygen-rich atmosphere and the emergence of an aerobic biosphere. Fennoscandia provides a fairly complete record of the hallmark events of that transition: widespread igneous activity, its association with a possible upper-mantle oxidizing event, the global Huronian glaciation, a rise in atmospheric oxygen, the protracted and large-magnitude Lomagundi-Jatuli carbon isotope excursion, a substantial increase in the seawater sulfate reservoir, changes in the sulfur and phosphorus cycles, a radical modification in recycling of organic matter, and the Shunga Event - the accumulation of unprecedented organic-matter-rich sediments and the oldest known inferred generation of significant petroleum. Current research efforts are focused on providing an accurate temporal framework for these events and linking them into a coherent story of earth system evolution.

Original languageEnglish (US)
Pages (from-to)4-11
Number of pages8
JournalGSA Today
Volume15
Issue number11
DOIs
StatePublished - Jan 1 2005

Fingerprint

biosphere
Archean
Proterozoic
phosphorus cycle
sulfur cycle
organic matter
oxygen
glaciation
carbon isotope
upper mantle
recycling
petroleum
sulfate
seawater
atmosphere
sediment

All Science Journal Classification (ASJC) codes

  • Geology

Cite this

Melezhik, Victor A. ; Fallick, Anthony E. ; Hanski, Eero J. ; Kump, Lee ; Lepland, Aivo ; Prave, Anthony R. ; Strauss, Harald. / Emergence of the aerobic biosphere during the Archean-Proterozoic transition : Challenges of future research. In: GSA Today. 2005 ; Vol. 15, No. 11. pp. 4-11.
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Emergence of the aerobic biosphere during the Archean-Proterozoic transition : Challenges of future research. / Melezhik, Victor A.; Fallick, Anthony E.; Hanski, Eero J.; Kump, Lee; Lepland, Aivo; Prave, Anthony R.; Strauss, Harald.

In: GSA Today, Vol. 15, No. 11, 01.01.2005, p. 4-11.

Research output: Contribution to journalArticle

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