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Showing results for tags 'tides'.
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Mid-Proterozoic day length stalled at 19 hours by tidal resonance.
Oxytropidoceras posted a topic in Geology
Earth’s “Boring Billion” – Study Unveils 19-Hour Days in Earth’s Deep Past Chinese Academy of Sciences, SciTechDaily, JUne 19, 2023 The open access paper is: Mitchell, R.N. and Kirscher, U., 2023. Mid-Proterozoic day length stalled by tidal resonance. Nature Geoscience, pp.1-3. https://doi.org/10.1038/s41561-023-01202-6 Yours, Paul H.-
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- boring billion
- cyclostratigraphy
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Precambrian Slowdown in Earth’s Rotation Could Have Affected the Oxygen Content of the Atmosphere
Oxytropidoceras posted a topic in Fossil News
A Slowdown in Earth’s Rotation Could Have Affected the Oxygen Content of the Atmosphere Max Planck Institute, August 2, 2021 The open access paper is: Klatt, J.M., Chennu, A., Arbic, B.K. et al., 2021 Possible link between Earth’s rotation rate and oxygenation. 2 August 2021, Nature Geoscience. DOI: 10.1038/s41561-021-00784-3 A fascinating talk about variations in tides and non-uniform rates of change in Earth's rotation is: A journey through tides in Earth's History Mattias Green, Seds Online, Oct 22, 2000 and Blackledge, B.W., Green, J.A.M., Barnes, R. and Way, M.J., 2020. Tides on Other Earths: Implications for Exoplanet and Palaeo‐Tidal Simulations. Geophysical Research Letters, 47(12), p.e2019GL085746. Yours, Paul H.-
- atmosphere
- cyanobacteria
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Dear editorial staff, I’m not sure if this is permissible in this format. If it is can you edit the first page to stand upright? I am still an amateur! What I want to say is: This is so exciting to me because the fossils I find around here all indicate to me trauma, from tidal events! These events most certainly directed evolutionary change and development, including increasing the oxygen levels in the water much the same as filters do so in an aquarium. Where I live feels like an Paleozoic, evolutionary test tube. ARTICLE LINK
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- devonian
- niagara escarpment
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