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Earth's System: Earth’s History
Determining Relative Ages
Description
Determining Relative Ages
Geologists determine the relative age of rock layers to understand Earth's history and the sequence of past events. Relative dating does not provide an exact numerical age but instead establishes the order of rock layers from oldest to youngest. Scientists use key principles of stratigraphy to det...
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Transcript
Take a look at this geologic cross-section. It has three sedimentary layers labeled A, B, and C, an igneous intrusion
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