Amazing stuff!
"Our planet was born 4.5 billion years ago as a seething ball of magma. ...
When did that land first arise? A new study suggests it existed as far back as 4 billion years ago . The evidence comes from sand-sized mineral crystals called zircons, which are the only things that survive from Earth’s first 500 million years. ...
"
Ancient crystals suggest early Earth had land and freshwater Hardy zircon minerals found in Australian rocks suggest conditions for life existed 4 billion years ago
Sand-size zircon crystals can hold clues to Earth’s evolution billions of years ago.
No comments:
Post a Comment