Articles | Volume 16, issue 12
Biogeosciences, 16, 2443–2465, 2019
https://doi.org/10.5194/bg-16-2443-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Biogeosciences, 16, 2443–2465, 2019
https://doi.org/10.5194/bg-16-2443-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
19 Jun 2019
Research article
| 19 Jun 2019
Organic signatures in Pleistocene cherts from Lake Magadi (Kenya) – implications for early Earth hydrothermal deposits
Manuel Reinhardt et al.
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Cited
11 citations as recorded by crossref.
- Ingredients for microbial life preserved in 3.5 billion-year-old fluid inclusions H. Mißbach et al. 10.1038/s41467-021-21323-z
- Testing Flight-like Pyrolysis Gas Chromatography–Mass Spectrometry as Performed by the Mars Organic Molecule Analyzer Onboard the ExoMars 2020 Rover on Oxia Planum Analog Samples M. Reinhardt et al. 10.1089/ast.2019.2143
- The influence of microbial mats on travertine precipitation in active hydrothermal systems (Central Italy) G. Della Porta et al. 10.1002/dep2.147
- Biosignatures of ancient microbial life are present across the igneous crust of the Fennoscandian shield H. Drake et al. 10.1038/s43247-021-00170-2
- Microbial biomarkers reveal a hydrothermally active landscape at Olduvai Gorge at the dawn of the Acheulean, 1.7 Ma A. Sistiaga et al. 10.1073/pnas.2004532117
- Influence of aphotic haloclines and euxinia on organic biomarkers and microbial communities in a thalassohaline and alkaline volcanic crater lake D. Sala et al. 10.1111/gbi.12477
- Signatures of early microbial life from the Archean (4 to 2.5 Ga) eon K. Lepot 10.1016/j.earscirev.2020.103296
- Mineral Vesicles and Chemical Gardens from Carbonate-Rich Alkaline Brines of Lake Magadi, Kenya M. Getenet et al. 10.3390/cryst10060467
- Distribution ofn‐alkan‐2‐ones in Qionghai Lake sediments, southwest China, and its potential for late Quaternary paleoclimate reconstruction G. Wang et al. 10.1002/jqs.3271
- Earth’s oldest tsunami deposit? Early Archaean high‐energy sediments in the ca 3.48 Ga Dresser Formation (Pilbara, Western Australia) E. Runge et al. 10.1002/dep2.175
- Microbial biomarkers reveal a hydrothermally active landscape at Olduvai Gorge at the dawn of the Acheulean, 1.7 Ma A. Sistiaga et al. 10.1073/pnas.2004532117
10 citations as recorded by crossref.
- Ingredients for microbial life preserved in 3.5 billion-year-old fluid inclusions H. Mißbach et al. 10.1038/s41467-021-21323-z
- Testing Flight-like Pyrolysis Gas Chromatography–Mass Spectrometry as Performed by the Mars Organic Molecule Analyzer Onboard the ExoMars 2020 Rover on Oxia Planum Analog Samples M. Reinhardt et al. 10.1089/ast.2019.2143
- The influence of microbial mats on travertine precipitation in active hydrothermal systems (Central Italy) G. Della Porta et al. 10.1002/dep2.147
- Biosignatures of ancient microbial life are present across the igneous crust of the Fennoscandian shield H. Drake et al. 10.1038/s43247-021-00170-2
- Microbial biomarkers reveal a hydrothermally active landscape at Olduvai Gorge at the dawn of the Acheulean, 1.7 Ma A. Sistiaga et al. 10.1073/pnas.2004532117
- Influence of aphotic haloclines and euxinia on organic biomarkers and microbial communities in a thalassohaline and alkaline volcanic crater lake D. Sala et al. 10.1111/gbi.12477
- Signatures of early microbial life from the Archean (4 to 2.5 Ga) eon K. Lepot 10.1016/j.earscirev.2020.103296
- Mineral Vesicles and Chemical Gardens from Carbonate-Rich Alkaline Brines of Lake Magadi, Kenya M. Getenet et al. 10.3390/cryst10060467
- Distribution ofn‐alkan‐2‐ones in Qionghai Lake sediments, southwest China, and its potential for late Quaternary paleoclimate reconstruction G. Wang et al. 10.1002/jqs.3271
- Earth’s oldest tsunami deposit? Early Archaean high‐energy sediments in the ca 3.48 Ga Dresser Formation (Pilbara, Western Australia) E. Runge et al. 10.1002/dep2.175
Latest update: 16 May 2022
Short summary
Organic matter in Archean hydrothermal cherts may contain molecular traces of early life. Alteration processes during and after deposition, however, may have obliterated potential biosignatures. Our results from modern analog samples (Pleistocene cherts from Lake Magadi, Kenya) show that biomolecules can survive early hydrothermal destruction in the macromolecular fraction of the organic matter. A conservation of molecular biosignatures in Archean hydrothermal cherts therefore seems possible.
Organic matter in Archean hydrothermal cherts may contain molecular traces of early life....
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