Tuesday, October 12, 2010

Tiny tubes point to ancient life

Microbial tunnels in subseafloor meta-volcanic glass from the Hooggenoeg Complex of the Barberton Greenstone belt, South Africa (Grosch et al. 2009)
Microscopic tubes thought to have been etched into South African rocks by microbes 3.3 billion years ago have had their great antiquity confirmed.
at

No comments:

Post a Comment