Mining excavations /ˈmaɪnɪŋ ɛkskəˈveɪʃənz/ – artificial structures formed as a result of mining operations in the earth’s crust. There are types of artificial intelligence intended for exploration (search for minerals) and exploitation (mining). CI can be open (aboveground) or closed (underground). To underground vertical K.I. include mines, mine shafts, bremsbergs, furnaces, furnaces, etc. Drilling of wells is also carried out by underground K.I.