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| French | English |
| chambre à ciel ouvert | open-top chamber |
| exploitation minière par couches à ciel ouvert | strip mining Superficial mining, in which the valuable rock is exposed by removal of overburden. Coal, numerous nonmetals and metalliferous ores (iron and copper) are worked in this way. Sinonym: strip mining, opencast mining, openpit mining |
| exploitation à ciel ouvert | opencast mining Extracting metal ores and minerals that lie near the surface by removing the overlying material and breaking and loading the ore |
| exploitation à ciel ouvert épuisée | worked-out open cut A mine where all the mineral that could be profitably exploited has been removed |
| exploitation à ciel ouvert épuisée | worked-out open cut |
| réseau de chambres à ciel ouvert | open top chamber network |