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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.
Cross-dating of sites, comparing geologic strata at one site with another location and extrapolating the relative ages in that manner, is still an important dating strategy used today, primarily when sites are far too old for absolute dates to have much meaning.
This is an introduction to the methods and techniques of archaeological field research and dating methods.
During the course, the following subjects will be addressed: artefacts, archaeological traces, formation processes, archaeological preparatory research, field exploration techniques, geophysical and geochemical prospection methods, excavation techniques, registration of traces and finds, archaeological dating methodology and an introduction to the use of databases (MS-Acces) in archaeological (field) research.
Stratigraphy is the oldest of the relative dating methods that archaeologists use to date things.
" These are questions that archaeologists hear numerous times.
Sometimes sites are discovered by chance by home-owners who find artifacts, building foundations, abandoned wells or privies in basements and backyards.
Such discoveries are visited by the City Archaeologists and are recorded with notes and photographs.
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.