e/Archaeological natural

Information
has gloss	eng: Natural in Archaeology is a term to denote a horizon in the stratigraphic record representing the point from which there is no anthropogenic activity on site and the archaeological record ends. Natural is often the underlying geological makeup of the site and is formed by geological processes. It is the goal of complete excavation to remove the entirety of the archaeological record all the way to "Natural" thus leaving only the natural deposits of pre human activity on site. Development led practice has lead impact assessment which may stipulate excavation will cease at a certain depth because the nature of the development will not disturb remains below a certain level and thus may not reach natural or sterile.
lexicalization	eng: Archaeological natural
instance of	e/Methods and principles in archaeology