“When Earth Was Very Different” –Remnant of Ice-Age Ocean Discovered

Ice Age Remnants

 

“Previously, all we had to go on to reconstruct seawater from the last Ice Age were indirect clues, like fossil corals and chemical signatures from sediments on the seafloor,” said Clara Bl├Ąttler, an assistant professor of geophysical sciences at the University of Chicago, who led a study that announced the discovery of the first-ever direct remnants of seawater dating to the Ice Age, tucked inside rock formations in the middle of the Indian Ocean. “But from all indications, it looks pretty clear we now have an actual piece of this 20,000-year-old ocean.”

(more…)