Next time you go to the mall take a look at the cars around you.
Can you tell which ones are newer and which ones are older?
Numbers 5-7 are of an earlier style than numbers 2-4, while number 1 was likely traded from Michigan All of these pottery sherds were found at the Edwards site, just west of London. This shows the seriation of 15 archaeological sites,.Once archaeologists understand the sequence they can count all the different styles of artifacts found at the site.Archaeologists then do some math to figure out what percentage of a kind of artifact, for example pottery, are a particular style.If you look at the cars in between, you can see how the style of the 1981 model slowly changed into the style of the 2014 model. But by finding the entire sequence you can see how the car’s style gradually evolved into one we recognize today.How do archaeologists learn how old a site is using seriation though?