 |
| |||
| bed of clay; clay layer; impervious soil | |||
| clay bank; clay seam; clay stratum | |||
| clay bed; clay pan | |||
| layer of clay | |||
| |||
| argillaceous sediments | |||
|
Tonschicht : 9 Phrasen in 6 Thematiken |
| Allgemeine Lexik | 1 |
| Bergbau | 4 |
| Biowissenschaften | 1 |
| Kohle | 1 |
| Materialwissenschaften | 1 |
| Verkehr | 1 |