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Climate of the Past An interactive open-access journal of the European Geosciences Union
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Volume 13, issue 11
Clim. Past, 13, 1635–1659, 2017
https://doi.org/10.5194/cp-13-1635-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Clim. Past, 13, 1635–1659, 2017
https://doi.org/10.5194/cp-13-1635-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 22 Nov 2017

Research article | 22 Nov 2017

Latest Permian carbonate carbon isotope variability traces heterogeneous organic carbon accumulation and authigenic carbonate formation

Martin Schobben et al.
Data sets

carbonate project M. Schobben https://doi.org/10.5281/zenodo.888754

Model code and software

carbonate project M. Schobben https://doi.org/10.5281/zenodo.888754

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Short summary
Stratigraphic trends in the carbon isotope composition of calcium carbonate rock can be used as a stratigraphic tool. An important assumption when using these isotope chemical records is that they record a globally universal signal of marine water chemistry. We show that carbon isotope scatter on a confined centimetre stratigraphic scale appears to represent a signal of microbial activity. However, long-term carbon isotope trends are still compatible with a primary isotope imprint.
Stratigraphic trends in the carbon isotope composition of calcium carbonate rock can be used as...
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