Articles | Volume 17, issue 7
Biogeosciences, 17, 2085–2106, 2020
https://doi.org/10.5194/bg-17-2085-2020
Biogeosciences, 17, 2085–2106, 2020
https://doi.org/10.5194/bg-17-2085-2020

Research article 16 Apr 2020

Research article | 16 Apr 2020

Authigenic formation of Ca–Mg carbonates in the shallow alkaline Lake Neusiedl, Austria

Dario Fussmann et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (08 Feb 2020) by Aninda Mazumdar
AR by Dario Fußmann on behalf of the Authors (18 Feb 2020)  Author's response    Manuscript
ED: Publish as is (11 Mar 2020) by Aninda Mazumdar
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Short summary
Dolomite (CaMg(CO3)2) is supersaturated in many aquatic settings (e.g., seawater) on modern Earth but does not precipitate directly from the fluid, a fact known as the dolomite problem. The widely acknowledged concept of dolomite precipitation involves microbial extracellular polymeric substances (EPSs) and anoxic conditions as important drivers. In contrast, results from Lake Neusiedl support an alternative concept of Ca–Mg carbonate precipitation under aerobic and alkaline conditions.
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