A uranium-lead age determined from a zircon crystal removed from a sandstone would reflect the time elapsed since the ________ of the zircon.

Name: A uranium-lead age determined from a zircon crystal removed from a sandstone would reflect the time elapsed since the ________ of the zircon.
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Question

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Uranium-lead dating is used to determine the age of zircon crystals because zircon is resistant to weathering, so its age reflects the time when it crystallized. Therefore, the answer is C, crystallization.

A Uranium-Lead Age Determined from a Zircon Crystal Removed from a Sandstone