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The scholar most associated with the rules of stratigraphy (or law of superposition) is probably the geologist Charles Lyell.

The basis for stratigraphy seems quite intuitive today, but its applications were no less than earth-shattering to archaeological theory.

That's why you should use alt tag on your all pictures, which you use in your website.Archaeologists use many different techniques to determine the age of a particular artifact, site, or part of a site.Two broad categories of dating or chronometric techniques that archaeologists use are called relative and absolute dating.Certified Site Metrics are metrics that are directly-measured from the website instead of estimated.The website owner has installed an Alexa Certify Code on the pages of their site and chosen to show the metrics publicly.In other words, artifacts found in the upper layers of a site will have been deposited more recently than those found in the lower layers.