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

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

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.