An "excavation site" refers to an area where archaeological or construction work is being done to dig and uncover objects or structures buried underground. Full definition
Over the past year, archaeologists in protective suits, gloves, and face masks have begun collecting DNA straight from a fossil excavation site in Spain, drastically reducing the possibility of contamination. (discovermagazine.com)
The studio has become a kind of excavation site for me. (artsy.net)
Archaeologists examine excavation sites for artifacts that gives clues about past cultures and researches to determine the authenticity and cultural meaning of these items. (jobhero.com)