noun, noun or participle which takes 'suru'
exploratory excavation; prospecting
Used in mining, archaeology, and resource exploration for digging or drilling to assess what lies beneath the surface.
この地域では金鉱の探掘が行われている。
Exploratory excavation for gold deposits is being carried out in this area.
遺跡の探掘には慎
Careful planning is necessary for the exploratory excavation of archaeological sites.