[meteorite-list] Fossils Reveal How Much Shorter Days Were 70 Million Years Ago

From: Paul <etchplain_at_meteoritecentral.com>
Date: Tue, 10 Mar 2020 17:29:12 -0500
Message-ID: <a90d2140-0119-ed15-cab3-edb72128968f_at_att.net>

Ancient Shell Has Revealed Exactly How Much Shorter
Days Were 70 Million Years Ago
https://www.sciencealert.com/old-shell-reveals-earth-s-days-were-half-an-hour-shorter-70-million-years-ago

de Winter, N.J., Goderis, S., Van Malderen, S.J., Sinnesael, M.,
Vansteenberge, S., Snoeck, C., Belza, J., Vanhaecke, F. and
Claeys, P., Sub?daily scale chemical variability in a Torreites
sanchezi rudist shell: Implications for rudist paleobiology
and the Cretaceous day?night cycle. Paleoceanography
and Paleoclimatology, p.e2019PA003723
https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2019PA003723

Yours,

Paul H.
Received on Tue 10 Mar 2020 06:29:12 PM PDT