Christian Sole, Hanika Rizo and Jonathan O'Neil, three co-authors of the new paper, stand on the Nuvvuagittuq Greenstone Belt in northern Quebec. Their study provides new evidence that it contains the ...

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 underworld, reflecting the extreme heat that likely ...

The ancient history of Earth has always been hard to read. Most of the planet’s earliest crust has been lost, buried, or melted by geologic processes over billions of years. The rare remnants that ...

Add Yahoo as a preferred source to see more of our stories on Google. The Nuvvuagittuq Greenstone Belt in northeastern Canada is home to the oldest rocks on Earth (Jonathan O'Neil) Earth formed about ...

An artistic reconstruction of Earth during the Hadean eon (~4.5 billion years ago). Intense volcanic activity, heat from accretion, and frequent impacts kept the young Earth in a molten state. This ...

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The Hadean is the earliest eon in Earth’s geologic history, spanning from the planet’s formation about 4.56 billion years ago to roughly 4.0 billion years ago. It is characterized by accretion from ...

Intro -- Preface -- References -- Contents -- 1 Why Hadean? -- Abstract -- 1.1 Introduction -- 1.2 Organization of This Book -- 1.2.1 A Brief Overview -- 1.2.2 Chapter Themes -- 1.3 Defining the ...