Method for relative dating

We'll explore both relative and numerical dating on our quest to understand the process of geological dating.

method for relative dating-66

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Ice cores showed the age of a military plane buried in the artic as thousands of years old.

Similarly, dendrochronology measures the tree rings in trees and assumes they represent years.

In many cases, however, it is possible to reconstruct the original sequence of strata so that they can be used for relative dating.

For instance, if we find a fossil bone below the strata 3 rock level shown above, we assume that the animal most likely lived at a time before that layer was formed.

Consider the following scenario: Paul the Paleontologist is a very famous scientist who has studied dinosaur bones all over the world.

Recently, he appeared on the evening news to talk about a new dinosaur he just discovered. Paul says he can tell from the fossils that superus awesomus lived on Earth about 175 million years ago.

As a result, it was difficult to chronologically compare fossils from different parts of the world.

However, relative methods are , which is that if there are layers of deposits, those laid down first will be on the bottom and those laid down last will be on the top. However, geological strata are not always found to be in a neat chronological order.

ANSWER: Relative dating is used to determine the relative ages of geologic strata, artifacts, historical events, etc.

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