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Rock Your Socks Off

  • Casual Pint- Hardin Valley (map)
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Tyler Grambling: "Using Isotope Chemistry to Unravel the History of North America"

The core of the North American continent is over 2.5 billion years old, the bulk of it is over 1.5 billion years old. Deciphering how we got from a series of islands to the 3rd largest landmass on Earth takes a cue from zircon--a minor contributor to most silica-rich rocks, but a major player in Earth history. By examining the ratios of certain isotopes in zircon and applying them to the rock record, we can break down the sequence of events that built the ground under our feet

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Earlier Event: April 22
Space and Exploration