NH copy Purchased from the Cullman Endowment. Contents Volcanic tuff : Vulcan's wrath : the eruption of Vesuvius -- Native copper : the iceman and the island of copper -- Cassiterite : the "isles of ...
We may finally know what triggered Earth’s inner core to freeze, helping unlock one of the planet’s longest-standing geological puzzles. The inner core is a solid ball of iron about 2,400km (1,500 ...
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