Articles | Volume 10, issue 3
https://doi.org/10.5194/bg-10-1943-2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-10-1943-2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
20 Mar 2013
Research article |
| 20 Mar 2013
Determination of the molecular signature of fossil conifers by experimental palaeochemotaxonomy – Part 1: The Araucariaceae family
Y. Lu
UMR 7359 CNRS Georessources, University of Lorraine, BP 239, 54506 Vandœuvre-lès-Nancy cedex, France
Y. Hautevelle
UMR 7359 CNRS Georessources, University of Lorraine, BP 239, 54506 Vandœuvre-lès-Nancy cedex, France
R. Michels
UMR 7359 CNRS Georessources, University of Lorraine, BP 239, 54506 Vandœuvre-lès-Nancy cedex, France
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Jan-Peter Duda, Volker Thiel, Thorsten Bauersachs, Helge Mißbach, Manuel Reinhardt, Nadine Schäfer, Martin J. Van Kranendonk, and Joachim Reitner
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The origin of organic matter in the oldest rocks on Earth is commonly ambiguous (biotic vs. abiotic). This problem culminates in the case of hydrothermal chert veins that contain abundant organic matter. Here we demonstrate a microbial origin of kerogen embedded in a 3.5 Gyr old hydrothermal chert vein. We explain this finding with the large-scale redistribution of biomass by hydrothermal fluids, emphasizing the interplay between biological and abiological processes on the early Earth.
Wenjie Xiao, Yinghui Wang, Shangzhe Zhou, Limin Hu, Huan Yang, and Yunping Xu
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Kimberley L. Davies, Richard D. Pancost, Mary E. Edwards, Katey M. Walter Anthony, Peter G. Langdon, and Lidia Chaves Torres
Biogeosciences, 13, 2611–2621, https://doi.org/10.5194/bg-13-2611-2016, https://doi.org/10.5194/bg-13-2611-2016, 2016
J. Holtvoeth, D. Rushworth, H. Copsey, A. Imeri, M. Cara, H. Vogel, T. Wagner, and G. A. Wolff
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Lake Ohrid is situated in the southern Balkans between Albania and Macedonia. It is a unique ecosystem with remarkable biodiversity and a sediment record of past climates that goes back more than a million years. Detailed reconstructions of past climate development and human alteration of the environment require underpinned and so in this study we go the present-day lake vegetation and catchment soils and test new proxies over one of the known recent cooling events of the region 8200 years ago.
T. Larsen, L. T. Bach, R. Salvatteci, Y. V. Wang, N. Andersen, M. Ventura, and M. D. McCarthy
Biogeosciences, 12, 4979–4992, https://doi.org/10.5194/bg-12-4979-2015, https://doi.org/10.5194/bg-12-4979-2015, 2015
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A tiny fraction of marine algae escapes decomposition and is buried in sediments. Since tools are needed to track the fate of algal organic carbon, we tested whether naturally occurring isotope variability among amino acids from algae and bacteria can be used as source diagnostic fingerprints. We found that isotope fingerprints track algal amino acid sources with high fidelity across different growth conditions, and that the fingerprints can be used to quantify bacterial amino acids in sediment.
S. Ding, Y. Xu, Y. Wang, Y. He, J. Hou, L. Chen, and J.-S. He
Biogeosciences, 12, 3141–3151, https://doi.org/10.5194/bg-12-3141-2015, https://doi.org/10.5194/bg-12-3141-2015, 2015
P. Sepúlveda, J. P. Le Roux, L. E. Lara, G. Orozco, and V. Astudillo
Biogeosciences, 12, 1993–2001, https://doi.org/10.5194/bg-12-1993-2015, https://doi.org/10.5194/bg-12-1993-2015, 2015
F. Peterse, C. M. Moy, and T. I. Eglinton
Biogeosciences, 12, 933–943, https://doi.org/10.5194/bg-12-933-2015, https://doi.org/10.5194/bg-12-933-2015, 2015
C. Zell, J.-H. Kim, M. Balsinha, D. Dorhout, C. Fernandes, M. Baas, and J. S. Sinninghe Damsté
Biogeosciences, 11, 5637–5655, https://doi.org/10.5194/bg-11-5637-2014, https://doi.org/10.5194/bg-11-5637-2014, 2014
M. Blumenberg, C. Berndmeyer, M. Moros, M. Muschalla, O. Schmale, and V. Thiel
Biogeosciences, 10, 2725–2735, https://doi.org/10.5194/bg-10-2725-2013, https://doi.org/10.5194/bg-10-2725-2013, 2013
M. Blumenberg and F. Wiese
Biogeosciences, 9, 4139–4153, https://doi.org/10.5194/bg-9-4139-2012, https://doi.org/10.5194/bg-9-4139-2012, 2012
D. Rush, E. C. Hopmans, S. G. Wakeham, S. Schouten, and J. S. Sinninghe Damsté
Biogeosciences, 9, 2407–2418, https://doi.org/10.5194/bg-9-2407-2012, https://doi.org/10.5194/bg-9-2407-2012, 2012
M. D. Wolhowe, F. G. Prahl, I. Probert, and M. Maldonado
Biogeosciences, 6, 1681–1694, https://doi.org/10.5194/bg-6-1681-2009, https://doi.org/10.5194/bg-6-1681-2009, 2009
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