Showing posts with label fingerprinting fossils rare earth elements rees ratio chmical composition groundwater. Show all posts
Showing posts with label fingerprinting fossils rare earth elements rees ratio chmical composition groundwater. Show all posts

Friday, 22 May 2009

Research into fingerprinting fossils

Researchers are looking for ways to `fingerprint' fossils to specific sites through analysis of rare earth elements(Rees),of which there are 15,the Rees ratio varies according to the chemical composition of groundwater in the area.