Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean.
The name “Hadean” comes from the Greek god of the…
Scientists unlock secrets of oldest rocks on Earth at Canada’s Nuvvuagittuq Greenstone Belt
Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean.
The name “Hadean” comes from the Greek god of the…