 |
| |||
| oil shale | |||
| bat | |||
| batt; gas schist; kerosene shale; naphtholith; kerogenetic shale; rhum; combustible schist; oil-shale | |||
| combustible shale; oil shale (source rock with oil content of 50% or more) | |||
| kerogen shale | |||
| black batt; rhums | |||
| oil shale (crude oil alternative) | |||
| petroliferous shale (MichaelBurov) | |||
| bituminous shale; gas shale | |||
| asphalt-bearing shale; bituminous schist; bituminous slate | |||
| битуминозный сланец: 27 phrases in 9 subjects |
| Cement | 1 |
| Geology | 9 |
| Geophysics | 2 |
| Makarov | 2 |
| Natural resourses and wildlife conservation | 3 |
| Oil / petroleum | 5 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
| Road works | 2 |