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Wallbridge tries to understand its 'enigmatic' minerals

from Northern Ontario Business

Around two billion years ago, an asteroid or comet approximately 10 to 15 kilometres in diameter collided with what is now the Sudbury basin. When it entered Earth's orbit, it was travelling at a speed of around 36,000 kilometres per hour. The power of the impact when it hit the planet's surface was "off the scale," according to Gordon Osinski, an associate professor of planetary geology at the University of Western Ontario. more


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