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
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Rory McIlroy says the PGA of America chief executive, Derek Sprague, apologized personally for the abuse directed at the world No 2 and his wife during Europe’s Ryder Cup triumph at Bethpage Black, and that the gesture helped to close the book on what had been a bruising week.
“I got a lovely email from Derek Sprague apologizing,” McIlroy told BBC Sport ahead of the Abu Dhabi HSBC Championship. “Erica worked with Derek at the PGA of America back in the day, so we know Derek and his wife pretty well. He couldn’t have been more gracious or apologetic and he wrote us a lovely letter, which we really appreciated.”
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