 |
| |||
| discordance surface | |||
| surface of unconformity; unconformity (a surface of contact between two groups of unconformable strata. ArcticFox) | |||
| unconformity surface; unconformity | |||
| unconformable surface | |||
| поверхность несогласия: 5 phrases in 2 subjects |
| Geology | 3 |
| Makarov | 2 |