Carbon cycle reaches Earth's lower mantle, Science study reports
The carbon cycle, upon which most living things depend, reaches much deeper into the Earth than generally supposed—all the way to the lower mantle, researchers report.
The findings, which are based on the chemistry of an unusual set of Brazilian diamonds, will be published online by the journal Science, at the Science Express Web site, on 15 September. Science is published by AAAS, the non-profit, international science society.
"This study shows the extent of Earth's carbon cycle on the scale of the entire planet, connecting the chemical and biological processes that ...



