Evidence of a 'Chaotic Solar System' from Cretaceous of Colorado

[Oxytropidoceras]

From rocks in Colorado, evidence of a 'chaotic solar system'

University of Wisconsin-Madison, February 22, 2017

http://news.wisc.edu/from-rocks-in-colorado-evidence-of-a-chaotic-solar-system/

https://www.sciencedaily.com/releases/2017/02/170222131512.htm

http://www.astrobio.net/also-in-news/rocks-colorado-evidence-chaotic-solar-system/

 

The paper is:

 

Ma, C., S. R. Meyers, and B. B. Sageman. Theory of chaotic

orbital variations confirmed by Cretaceous geological evidence.

Nature, 2017; 542 (7642): 468-470 DOI: 10.1038/nature21402

http://www.nature.com/nature/journal/v542/n7642/full/nature21402.html

 

Related paper:

 

Sageman, B. B., J. Rich, M. A. Arthur, G. E. Birchfield, and

W. E. Dean, 1997, Evidence for Milankovitch Periodicities in

Cenomanian-Turonian Lithologic and Geochemical Cycles,

Western Interior U.S.A. Journal of Sedimentary Research,

Section B: Stratigraphy and Global Studies Vol. 67 (1997)

No. 2. (March), Pages 286-302

http://www.earth.northwestern.edu/research/sageman/PDF/97.Sageman.etal.pdf

 

Yours,

Paul H.

[aerogrower]

Good stuff Paul. Thanks for posting. 

[doushantuo]

some of you may like:

Testing Late Cretaceous Astronomical Solutions in a 15 Million Year Astrochronologic Record from North America

 Chao Ma, Stephen R. Meyers and Bradley B. Sageman

Earth and Planetary Science Letters
Volume 513, 1 May 2019, Pages 1-11(prepint,publisher authorized)

1-s2.0-S0012821X19300858-am.pdf

Iona core,cenomanian/turonian boundary,ammonite biostratigraphy,obliquity forcing,ash beds,geochronology

Edited May 10, 2023 by doushantuo