Monday, August 3, 2015

Bayesian meta-analysis provides high-precision estimate of cosmic impact event at ~12,800 years before 1950

A recently published article in PNAS reports a Bayesian meta-analysis of data from 354 samples from 23 geological sites on 4 continents, yielding a 95% credible interval from 12,835 to 12,735 years before 1950 for the cosmic impact event that formed the Younger Dryas boundary layer. The article, authored by J. P. Kennett with many co-authors, can be found at the PNAS web site.

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