Geography, 20.07.2021 17:00 traybrown0690
Zircon (ZrSiO4) forms in magma as it cools into igneous rock. It is also useful for numerical dating.
a. If you walk on a modern New Jersey beach, then you will walk on some zircon sand grains. Yet if you determine the numerical age of the zircons, it does not indicate a modern age (zero years) for the beach. Why?
b. Suggest a rule that geologists should follow when they date rocks based on the radiometric ages of crystals inside the rocks.
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Zircon (ZrSiO4) forms in magma as it cools into igneous rock. It is also useful for numerical dating...
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