Wednesday 26 March 2014

Oldest piece of earth’s crust found


earthś crustA tiny piece of crystal has been found and it is believed to be the oldest piece of the Earth’s crust. The small thing has been shown to be 4.4 billion-year-old and is called a zircon crystal. It’s thought the Earth took 600 million years to cool and form a crust when the Earth was formed around 4.6 billion years ago.e Earth’s crust is a thin layer of rock that forms the outer layer of the Earth’s surface. Click here for more info.

No comments:

Post a Comment

Thanks for your comment.