Precipitation of dolomite from seawater on a Carnian coastal plain (Dolomites, northern Italy): evidence from carbonate petrography and Sr isotopes

Rieder, Maximilian; Wegner, Wencke; Horschinegg, Monika; Klackl, Stefanie; Preto, Nereo; Breda, Anna; Gier, Susanne; Klötzli, Urs; Bernasconi, Stefano M.; Arp, Gernot; Meister, Patrick

doi:https://doi.org/10.5194/se-10-1243-2019

Articles | Volume 10, issue 4

https://doi.org/10.5194/se-10-1243-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/se-10-1243-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 10, issue 4

Research article

|

31 Jul 2019

Research article |

| 31 Jul 2019

Precipitation of dolomite from seawater on a Carnian coastal plain (Dolomites, northern Italy): evidence from carbonate petrography and Sr isotopes

Maximilian Rieder, Wencke Wegner, Monika Horschinegg, Stefanie Klackl, Nereo Preto, Anna Breda, Susanne Gier, Urs Klötzli, Stefano M. Bernasconi, Gernot Arp, and Patrick Meister

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Final revised paper (published on 31 Jul 2019)
Supplement to the final revised paper
Preprint (discussion started on 04 Mar 2019)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Review', Chris Romanek, 15 Mar 2019
- SC1: 'Response to Reviewer Dr. Romanek', Patrick Meister, 14 Apr 2019
- AC1: 'Author comments to the reviewers', Patrick Meister, 25 Apr 2019
RC2: 'Review of Rieder et al. Solid Earth', Anonymous Referee #2, 10 Apr 2019
- SC2: 'Response to anonymous Reviewer', Patrick Meister, 14 Apr 2019
  - AC2: 'Response to Reviewer 2', Patrick Meister, 25 Apr 2019

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Patrick Meister on behalf of the Authors (14 May 2019) Author's response Manuscript

ED: Referee Nomination & Report Request started (05 Jun 2019) by Elias Samankassou

RR by Anonymous Referee #2 (17 Jun 2019)

ED: Publish subject to technical corrections (27 Jun 2019) by Elias Samankassou

ED: Publish subject to technical corrections (27 Jun 2019) by Elias Samankassou (Executive editor)

AR by Patrick Meister on behalf of the Authors (30 Jun 2019) Manuscript

Short summary

The formation of dolomite (CaMg(CO₃)₂), an abundant mineral in Earth's geological record, is still incompletely understood. We studied dolomites embedded in a 100 m thick succession of coastal alluvial clays of Triassic age in the southern Alps. Observation by light microscopy and Sr isotopes suggests that dolomites may spontaneously from concentrated evaporating seawater, in coastal ephemeral lakes or tidal flats along the western margin of the Triassic Tethys sea.