Relative age dating principles


27-Sep-2017 08:21

relative age dating principles-75

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Some fossils, called index fossils, are particularly useful in correlating rocks.

relative age dating principles-86

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As a member, you'll also get unlimited access to over 70,000 lessons in math, English, science, history, and more.This principle says that the oldest rock layer is always on the bottom and layers above it get progressively younger.



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