noun, noun or participle which takes 'suru', transitive verb
prospecting; trial digging; test excavation
Refers to digging or drilling to test for minerals, archaeological remains, or construction feasibility. Often used with する as a transitive verb.
その会社は金鉱を探すために試掘を行った。
The company conducted trial digging to search for a gold mine.
遺跡の試
Old pottery was found during the test excavation of the archaeological site.