New nanodiamond evidence has been found on California's Channel Islands of a comet impact in North America about 12,900 years ago, possibly driving many Clovis-age species to extinction.
Wednesday, July 22, 2009
Evidence of Clovis-Age Comet
New nanodiamond evidence has been found on California's Channel Islands of a comet impact in North America about 12,900 years ago, possibly driving many Clovis-age species to extinction.
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment