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Emerging biogeochemical views of Earth's ancient microbial worlds

Timothy W. Lyons, David A. Fike and Aubrey Zerkle
Emerging biogeochemical views of Earth's ancient microbial worlds (in Geomicrobiology and microbial geochemistry, Gregory K. Druschel (editor) and Gregory J. Dick (editor))
Elements (December 2015) 11 (6): 415-421

Abstract

Microbial processes dominate geochemical cycles at and near the Earth's surface today. Their role was even greater in the past, with microbes being the dominant life form for the first 90% of Earth's history. Most of their metabolic pathways originated billions of years ago as both causes and effects of environmental changes of the highest order, such as the first accumulation of oxygen in the oceans and atmosphere. Microbial processes leave behind diverse geochemical fingerprints that can remain intact for billions of years. These rock-bound signatures are now steering our understanding of how life coevolved with the environments on early Earth and are guiding our search for life elsewhere in the universe.


ISSN: 1811-5209
Serial Title: Elements
Serial Volume: 11
Serial Issue: 6
Title: Emerging biogeochemical views of Earth's ancient microbial worlds
Title: Geomicrobiology and microbial geochemistry
Author(s): Lyons, Timothy W.Fike, David A.Zerkle, Aubrey
Author(s): Druschel, Gregory K.editor
Author(s): Dick, Gregory J.editor
Affiliation: University of California, Riverside, Department of Earth Sciences, Riverside, CA, United States
Affiliation: Indiana University Purdue University of Indianapolis, Department of Earth Sciences, Indianapolis, IN, United States
Pages: 415-421
Published: 201512
Text Language: English
Publisher: Mineralogical Society of America and Mineralogical Society of Great Britain and Ireland and Mineralogical Association of Canada and Geochemical Society and Clay Minerals Society, International
References: 30
Accession Number: 2015-121631
Categories: General geochemistryExtraterrestrial geology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus.
Secondary Affiliation: University of Michigan, USA, United StatesWashington University, USA, United StatesUniversity of Saint Andrews, GBR, United Kingdom
Country of Publication: International
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute.
Update Code: 201552
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