How We Found Remnants of Earth's Primordial Crust
![How We Found Remnants of Earth's Primordial Crust](https://assets.realclear.com/images/65/654304_1_.jpeg)
Our planet was born around 4.5 billion years ago. To understand this mind-bendingly long history, we need to study rocks and the minerals they are made...
Our planet was born around 4.5 billion years ago. To understand this mind-bendingly long history, we need to study rocks and the minerals they are made...