| English | eng-000 |
| guide seam | |
| 普通话 | cmn-000 | 标准层 |
| 普通话 | cmn-000 | 标准矿层 |
| 普通话 | cmn-000 | 标志层 |
| English | eng-000 | guiding bed |
| English | eng-000 | index bed |
| English | eng-000 | key bed |
| English | eng-000 | key horizon |
| English | eng-000 | marker bed |
| English | eng-000 | reference lamina |
| English | eng-000 | standard floor |
| English | eng-000 | typical floor |