Talks, field trips and events organised by west country geological organisations are publicised on this blog. Discussion about geological topics is encouraged. Anything of general geological interest is included.
Saturday, 14 July 2012
Chemical ghost of 120million years-old bird
This is the 120 million year-old fossil of Confuciusornis sanctus, a bird from China; the earliest known bird with a beak. About the size of a pigeon, it had long twin tail-feathers strongly suggestive of sexual selection. This bird was one of a flock that was caught in a volcanic explosion and ended up fossilised at the bottom of a lake. The fossil shows clear impressions of feathers, bones and soft tissues but what is even more amazing, there are chemicals which indicate its colour in life. Read more - it's amazing, especially the ipad technology!