Advantages of excavation
context of a site maybe better preserved
provides good stratagraphic information
Disadvantages of excavation
excavation destorys all archaeological record
the process is labour intensive, expensive and time consuming
Used when there is a limited amount of time.
have to be finished as quickly as possible, so the topsoil and overburden is generally stripped using a mechanical excavator. .
archaeological features usually show up very clearly as lighter/darker patches.
Occurs when time and resources are availible to excavate the site fully.
techniques would invlove
desktop survey- known sites in the area are checked on sites and monuments record (SMR)
ground penetrating radar, resistivity and magnetometer surveys #
contour survey- to discover and plan earthworks (anything in the survey)
physical survey- to record standing buildings and earthworks
field walking- to collect and plot artifacts and study the distribution patterns