Tiny diamonds on Santa Rosa Island give evidence of cosmic impact
Wednesday, July 22, 2009 - 06:07
in Paleontology & Archaeology
Nanosized diamonds found just a few metres below the surface of Santa Rosa Island off the coast of Santa Barbara provide strong evidence of a cosmic impact event in North America approximately 12,900 years ago, according to a new study by scientists. Their hypothesis holds that fragments of a comet struck across North America at that time...