Articles | Volume 13, issue 11
https://doi.org/10.5194/cp-13-1635-2017
https://doi.org/10.5194/cp-13-1635-2017
Research article
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22 Nov 2017
Research article | Highlight paper |  | 22 Nov 2017

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

Martin Schobben, Sebastiaan van de Velde, Jana Gliwa, Lucyna Leda, Dieter Korn, Ulrich Struck, Clemens Vinzenz Ullmann, Vachik Hairapetian, Abbas Ghaderi, Christoph Korte, Robert J. Newton, Simon W. Poulton, and Paul B. Wignall

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Cited articles

Algeo, T. J. and Twitchett, R. J.: Anomalous Early Triassic sediment fluxes due to elevated weathering rates and their biological consequences, Geology, 38, 1023–1026, https://doi.org/10.1130/G31203.1, 2010.
Algeo, T. J., Kuwahara, K., Sano, H., Bates, S., Lyons, T., Elswick, E., Hinnov, L., Ellwood, B., Moser, J., and Maynard, J. B.: Spatial variation in sediment fluxes, redox conditions, and productivity in the Permian-Triassic Panthalassic Ocean, Palaeogeogr. Palaeoclimatol. Palaeoecol., 308, 65–83, https://doi.org/10.1016/j.palaeo.2010.07.007, 2011.
Algeo, T. J., Henderson, C. M., Tong, J., Feng, Q., Yin, H., and Tyson, R. V.: Plankton and productivity during the Permian–Triassic boundary crisis: An analysis of organic carbon fluxes, Global Planet. Change, 105, 52–67, https://doi.org/10.1016/j.gloplacha.2012.02.008, 2013.
Arp, G., Reimer, A., and Reitner, J.: Photosynthesis-induced biofilm calcification and calcium concentrations in Phanerozoic oceans, Science, 292, 1701–1704, https://doi.org/10.1126/science.1057204, 2001.
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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.