Published: January 21, 2020
A new study showing the 70km-wide Yarrabubba crater dates impact to 2.29bn years ago
The world’s oldest remaining asteroid crater is at a place called Yarrabubba, south-east of the town of Meekatharra in Western Australia.
Our new study puts a precise age on the cataclysmic impact – showing Yarrabubba is the oldest known crater and dating it at the right time to trigger the end of an ancient glacial period and the warming of the entire planet.
Continue reading...from The Guardian https://ift.tt/36iVtyK
via
0 Comments