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Study Disputes Younger Dryas Event Comet Theories

Study Questions Younger Dryas Event Comet 
Theories, Red Orbit, May 14, 2014

Comet theory false; doesn’t explain cold snap 
at the end of the Ice Age, Clovis changes or 
mass animal extinction. SMU News Release

Research team claims no evidence of 
extraterrestrial impact causing Younger 
Dryas deep freeze, PhysOrg, May 13, 2104

Meltzer, D. J., V. T. Holliday, M. D. Cannon, and
D. S. Miller, 2014, Chronological evidence fails to 
support claim of an isochronous widespread layer of 
cosmic impact indicators dated to 12,800 years ago. 
Proceedings of the National Academy of Science 
of the United Staea of America. Early Edition.

A related article is:

Study in Oklahoma panhandle finds additional 
active process producing nanodiamonds, PhysOrg.

Bement, L. C., A. S. Madden, B. J. Carter, A. R. Simms,
A. L. Swindle, H. M. Alexander, S. Fine, and M. Benamarae
2014, Quantifying the distribution of nanodiamonds in 
pre-Younger Dryas to recent age deposits along Bull Creek, 
Oklahoma Panhandle, USA. Published online before print 
January 21, 2014, doi: 10.1073/pnas.1309734111


Paul Heinrich
Baton Rouge, Louisiana