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
The author, who will interview members of royal family for book, says being chosen for role is a ‘profound honour’
Anna Keay, a historian whose most celebrated book is about Britain’s republican period, has been confirmed as Queen Elizabeth II’s official biographer.
Keay will interview members of the royal family and the late queen’s friends and servants. She will also have access to the monarch’s personal and official papers held in the royal archives.
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