Large landmasses emerged from oceans 2,700 million years ago

Last Updated: Thursday, January 16, 2014, 13:39

Researchers have managed for the first time to determine the isotope composition of the rare trace elements Hafnium and Neodymium in 2,700 million year-old seawater by using high purity chemical sediments from Temagami Banded Iron Formation (Canada) as an archive.

Warm ocean water melting Antarctic ice from below

Last Updated: Friday, June 14, 2013, 10:45

A new study has found that ocean waters melting the undersides of Antarctic ice shelves are responsible for most of the continent`s ice shelf mass loss.