The origin, source, and cycling of methane in deep crystalline rock biosphere
The emerging interest in using stable bedrock formations for industrial purposes, e.g., nuclear waste disposal, has increased the need for understanding microbiological and geochemical processes in deep crystalline rock environments, including the carbon cycle. Considering the origin and evolution o...
Published in: | Frontiers in Microbiology |
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Online Access: | https://cris.vtt.fi/en/publications/41550354-3b79-4b0a-9b07-1468a6606f7a https://doi.org/10.3389/fmicb.2015.00725 |
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ftvttcrispub:oai:cris.vtt.fi:publications/41550354-3b79-4b0a-9b07-1468a6606f7a 2023-05-15T16:12:02+02:00 The origin, source, and cycling of methane in deep crystalline rock biosphere Kietäväinen, Riikka Purkamo, Lotta 2015 https://cris.vtt.fi/en/publications/41550354-3b79-4b0a-9b07-1468a6606f7a https://doi.org/10.3389/fmicb.2015.00725 eng eng info:eu-repo/semantics/openAccess Kietäväinen , R & Purkamo , L 2015 , ' The origin, source, and cycling of methane in deep crystalline rock biosphere ' , Frontiers in Microbiology , vol. 6 , 725 . https://doi.org/10.3389/fmicb.2015.00725 abiotic methane deep subsurface Precambrian bedrock carbon cycle methanogenesis methanotrophy isotopic fractionation article 2015 ftvttcrispub https://doi.org/10.3389/fmicb.2015.00725 2022-10-30T19:01:23Z The emerging interest in using stable bedrock formations for industrial purposes, e.g., nuclear waste disposal, has increased the need for understanding microbiological and geochemical processes in deep crystalline rock environments, including the carbon cycle. Considering the origin and evolution of life on Earth, these environments may also serve as windows to the past. Various geological, chemical, and biological processes can influence the deep carbon cycle. Conditions of CH4 formation, available substrates and time scales can be drastically different from surface environments. This paper reviews the origin, source, and cycling of methane in deep terrestrial crystalline bedrock with an emphasis on microbiology. In addition to potential formation pathways of CH4, microbial consumption of CH4 is also discussed. Recent studies on the origin of CH4 in continental bedrock environments have shown that the traditional separation of biotic and abiotic CH4 by the isotopic composition can be misleading in substrate-limited environments, such as the deep crystalline bedrock. Despite of similarities between Precambrian continental sites in Fennoscandia, South Africa and North America, where deep methane cycling has been studied, common physicochemical properties which could explain the variation in the amount of CH4 and presence or absence of CH4 cycling microbes were not found. However, based on their preferred carbon metabolism, methanogenic microbes appeared to have similar spatial distribution among the different sites. Article in Journal/Newspaper Fennoscandia VTT's Research Information Portal Frontiers in Microbiology 6 |
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Open Polar |
collection |
VTT's Research Information Portal |
op_collection_id |
ftvttcrispub |
language |
English |
topic |
abiotic methane deep subsurface Precambrian bedrock carbon cycle methanogenesis methanotrophy isotopic fractionation |
spellingShingle |
abiotic methane deep subsurface Precambrian bedrock carbon cycle methanogenesis methanotrophy isotopic fractionation Kietäväinen, Riikka Purkamo, Lotta The origin, source, and cycling of methane in deep crystalline rock biosphere |
topic_facet |
abiotic methane deep subsurface Precambrian bedrock carbon cycle methanogenesis methanotrophy isotopic fractionation |
description |
The emerging interest in using stable bedrock formations for industrial purposes, e.g., nuclear waste disposal, has increased the need for understanding microbiological and geochemical processes in deep crystalline rock environments, including the carbon cycle. Considering the origin and evolution of life on Earth, these environments may also serve as windows to the past. Various geological, chemical, and biological processes can influence the deep carbon cycle. Conditions of CH4 formation, available substrates and time scales can be drastically different from surface environments. This paper reviews the origin, source, and cycling of methane in deep terrestrial crystalline bedrock with an emphasis on microbiology. In addition to potential formation pathways of CH4, microbial consumption of CH4 is also discussed. Recent studies on the origin of CH4 in continental bedrock environments have shown that the traditional separation of biotic and abiotic CH4 by the isotopic composition can be misleading in substrate-limited environments, such as the deep crystalline bedrock. Despite of similarities between Precambrian continental sites in Fennoscandia, South Africa and North America, where deep methane cycling has been studied, common physicochemical properties which could explain the variation in the amount of CH4 and presence or absence of CH4 cycling microbes were not found. However, based on their preferred carbon metabolism, methanogenic microbes appeared to have similar spatial distribution among the different sites. |
format |
Article in Journal/Newspaper |
author |
Kietäväinen, Riikka Purkamo, Lotta |
author_facet |
Kietäväinen, Riikka Purkamo, Lotta |
author_sort |
Kietäväinen, Riikka |
title |
The origin, source, and cycling of methane in deep crystalline rock biosphere |
title_short |
The origin, source, and cycling of methane in deep crystalline rock biosphere |
title_full |
The origin, source, and cycling of methane in deep crystalline rock biosphere |
title_fullStr |
The origin, source, and cycling of methane in deep crystalline rock biosphere |
title_full_unstemmed |
The origin, source, and cycling of methane in deep crystalline rock biosphere |
title_sort |
origin, source, and cycling of methane in deep crystalline rock biosphere |
publishDate |
2015 |
url |
https://cris.vtt.fi/en/publications/41550354-3b79-4b0a-9b07-1468a6606f7a https://doi.org/10.3389/fmicb.2015.00725 |
genre |
Fennoscandia |
genre_facet |
Fennoscandia |
op_source |
Kietäväinen , R & Purkamo , L 2015 , ' The origin, source, and cycling of methane in deep crystalline rock biosphere ' , Frontiers in Microbiology , vol. 6 , 725 . https://doi.org/10.3389/fmicb.2015.00725 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.3389/fmicb.2015.00725 |
container_title |
Frontiers in Microbiology |
container_volume |
6 |
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1765997268857520128 |