3.6-billion-year-old fossils found in Greenland could be Earth’s oldest
See the original posting on The Verge
Australian geologists discovered some really weird and extremely old structures in Greenland: fossilized mounds made by microbes that are dated to about 3.6 billion years ago. That means life on Earth started early shortly after our planet was formed, 4.5 billion years ago.
The structures called stromatolites were discovered in 2012, in a remote area of Greenland called Isua. The researchers noticed the weird formations that were once covered by snow and immediately understood they represented something unique. The discovery is described in a study published today in Nature.
The group followed the discovery by analyzing the…