Question: How do geologists use relative dating?

Relative dating puts geologic events in chronological order without requiring that a specific numerical age be assigned to each event. Second, it is possible to determine the numerical age for fossils or earth materials. Third, magnetism in rocks can be used to estimate the age of a fossil site.

Can relative dating be used in geology?

Relative dating is used to arrange geological events, and the rocks they leave behind, in a sequence. Sedimentary rocks are normally laid down in order, one on top of another. In a sequence, the oldest is at the bottom, the youngest is at the top.

What is an advantage of relative dating?

Dating rocks using relative dating allows a geologist to reconstruct a series of events cheaply, often very quickly, and can be used out in the field on a rocky outcrop. Relative dating also can be used on many different types of rocks, where absolute dating is restricted to certain minerals or materials.

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