4.4-Billion-Year-Old Crystal Is Earth’s Oldest Fragment

By Carl Engelking

A 4.4 billion-year-old zircon crystal is providing new insight into how the early Earth cooled from a ball of magma and formed continents just 160 million years after the formation of our solar system, much earlier than previously believed. The zircon, pictured here, is from the Jack Hills region of Australia and is now confirmed to be the oldest bit of the Earth's crust. Credit: Image courtesy of John W. Valley

We all know Earth is a pretty cool place, but it’s been cool longer than previously thought. Using two dating techniques, scientists have confirmed that a tiny zircon, a mineral belonging to the group of neosilicates, from Western Australia’s Jack Hills region is indeed the oldest fragment of Earth’s crust, dating back 4.4 billion years.    …to read more, visit here…

~o~

posted by, sweetwillowman ~ Share the truth … Share Love and Harmony… Namasté

up tae the Tap

Advertisements
Categories: Uncategorized | Tags: , , | Leave a comment

Post navigation

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

Create a free website or blog at WordPress.com.

%d bloggers like this: