What is relative dating and how is it used

Plotting several curves can allow the archaeologist to develop a relative chronology for an entire site or group of sites.

For detailed information about how seriation works, see Seriation: A Step by Step Description.

For more information on stratigraphy and how it is used in archaeology, see the Stratigraphy glossary entry.

Seriation, on the other hand, was a stroke of genius.

Two broad categories of dating or chronometric techniques that archaeologists use are called relative and absolute dating.

Stratigraphy is the oldest of the relative dating methods that archaeologists use to date things.

Darwin also used what geologists call relative dating to understand the geologic relationship between some of the rocks that he observed on his journey. line; but in the fragment they are vertical, whereas in the gneiss-granite they dip at a small angle, as shown by the arrows, to S. Since rocks tell a story of the past, their age helps us to make sense out of that story.

For example, JJA Worsaae used this law to prove the Three Age System.

The folia in the fragment and in the surrounding rock strike in the same N. The second method (absolute dating) refers to the methods we use to determine an actual (numeric) age for a rock or fossil.

Not surprisingly, relative dating is relatively easy and cheap, while absolute dating is time consuming and expensive. Look at the picture below showing several models of cars.

The trade-off is that the second method gives us a more precise answer to the question of “how old is this rock? Can you place these cars is relative order from oldest to youngest?

When you think you know the answer, click on the image to see if you are right.

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