Curtin University researchers use innovative techniques to date three-billion-year-old impact crater in Pilbara region A meteorite that struck Earth three billion years ago left behind a “smoking gun” – evidence of the world’s oldest impact crater in a remote part of Australia. Ancient rocks in Western Australia’s Pilbara region record the event, which occurred during the Archean eon, a period 4 to 2.5 billion years ago, when tectonic plates were beginning to form and early life emerging. Continue reading... from The Guardian https://ift.tt/vFNkr3E via IFTTT
Volodymyr Zelenskiy faces his most difficult year; a Russian pilot who defected to Ukraine is killed in Spain
Every week we wrap up essential coverage of the war in Ukraine, from news and features to analysis, opinion and more.
Continue reading...from The Guardian https://ift.tt/2luOfNM
via IFTTT
Comments
Post a Comment