Articles | Volume 13, issue 9
Clim. Past, 13, 1129–1152, 2017
https://doi.org/10.5194/cp-13-1129-2017
Clim. Past, 13, 1129–1152, 2017
https://doi.org/10.5194/cp-13-1129-2017

Research article 11 Sep 2017

Research article | 11 Sep 2017

Astronomical calibration of the Ypresian timescale: implications for seafloor spreading rates and the chaotic behavior of the solar system?

Thomas Westerhold et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (08 May 2017) by Appy Sluijs
AR by Thomas Westerhold on behalf of the Authors (27 May 2017)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (31 May 2017) by Appy Sluijs
RR by Stepen Meyers (24 Jun 2017)
ED: Reconsider after major revisions (26 Jun 2017) by Appy Sluijs
AR by Thomas Westerhold on behalf of the Authors (24 Jul 2017)  Author's response    Manuscript
ED: Publish subject to technical corrections (07 Aug 2017) by Appy Sluijs
AR by Thomas Westerhold on behalf of the Authors (08 Aug 2017)  Author's response    Manuscript
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Short summary
We assembled a very accurate geological timescale from the interval 47.8 to 56.0 million years ago, also known as the Ypresian stage. We used cyclic variations in the data caused by periodic changes in Earthäs orbit around the sun as a metronome for timescale construction. Our new data compilation provides the first geological evidence for chaos in the long-term behavior of planetary orbits in the solar system, as postulated almost 30 years ago, and a possible link to plate tectonics events.