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Jack Hills
mike sandiford's earth science pages
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the mythic stories of OzNorth Pole and the birth of lifeBy 3.5 billion years ago a significant fraction of the present day continental mass had been created (the extent of subsequent continental growth of continents is still debated). North Pole, WA modern stromatilites, Shark Bay, WA timelinesGeological time in millions of years (myrs)
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