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| Subject | English | Italian |
| chem., el. | crude shale oil | Olio di scisto grezzo |
| environ. | oil shale A kerogen-bearing, finely laminated brown or black sedimentary rock that will yield liquid or gaseous hydrocarbons on distillation | argillite petrolifera |
| environ. | oil shale | argillite petrolifera |
| mining., engl. | oil shale | oil shale |
| mining. | oil shale | scisto bituminoso |
| gen. | oil shale | "oil-shale" |
| el. | oil shale in-situ retorting | Distillazione in loco di scisti bituminosi |
| chem. | shale oil | olio di schisto |
| gen. | shale oil | shale oil |
| gen. | shale oil | olio di scisto |