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
Growers are reporting a difficult apple season, which is having a knock-on effect for local tourism
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At this time of year, Pine Crest Orchard in the Blue Mountains town of Bilpin would usually have about 1,000 visitors a day picking their own fruit from trees laden with apples.
But this season, the trees are mostly bare – and no one really knows why.
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