Radiometric dating metamorphic rocks
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However, because the daughter isotopes are a different size they are excluded from the crystal structure.
These were then eroded and Sedimentary Rocks B were deposited.
Geological Time | Geologic Time Scale | Plate Tectonics | Radiometric Dating | Deep Time | Geological History of New Zealand | Radiometric Dating Radiometric measurements of time Since the early twentieth century scientists have found ways to accurately measure geological time.