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
Officers given stop-and-search powers and helicopters deployed on Bonfire Night amid reports of firework-related crime
Police have said they are responding to incidents of disorder “across Edinburgh” on Bonfire Night – with groups of youths hurling fireworks, bricks and other missiles.
Officers have been given stop-and-search powers after “intelligence” relating to planned disorder and firework-related crime in the Moredun, Niddrie and Gracemount areas of the capital.
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