GeologyRocksFour Billion Year Old Sea Floor
Sat, 03/24/2007 - 20:53 — hypocentre
The BBC is reporting the find of a sliver of 4Ga sea floor in Greenland. The find includes pillow lavas preserved in exquisite detail:
http://news.bbc.co.uk/1/hi/sci/tech/6479289.stm
The original Science article can be found here (subscription required):
http://www.sciencemag.org/cgi/content/summary/315/5819/1650b