Relative age dating geology

10-Dec-2015 19:41

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Discover how geologists study the layers in sedimentary rock to establish relative age.

relative age dating geology-24

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Learn how inclusions and unconformities can tell us stories about the geologic past.

We'll even visit the Grand Canyon to solve the mystery of the Great Unconformity!

Now imagine that you come upon a formation like this: What do you think of it? How can you make any conclusions about rock layers that make such a crazy arrangement?

Geologists establish the age of rocks in two ways: numerical dating and relative dating.

Relative dating requires an extensive knowledge of stratigraphic succession, a fancy term for the way rock strata are built up and changed by geologic processes.In this lesson, we'll learn a few basic principles of stratigraphic succession and see whether we can find relative dates for those strange strata we found in the Grand Canyon.

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