| English | eng-000 |
| marker bed | |
| 普通话 | cmn-000 | 指示层 |
| 普通话 | cmn-000 | 标准层 |
| 普通话 | cmn-000 | 标志地层 |
| 普通话 | cmn-000 | 标志层 |
| English | eng-000 | guide seam |
| English | eng-000 | guiding bed |
| English | eng-000 | index bed |
| English | eng-000 | indicator horizon |
| English | eng-000 | key bed |
| English | eng-000 | key horizon |
| English | eng-000 | marker |
| English | eng-000 | marker horizon |
| English | eng-000 | marker zone |
| English | eng-000 | reference lamina |
| English | eng-000 | standard floor |
| English | eng-000 | typical floor |
| русский | rus-000 | маркирующий горизонт |
| русский | rus-000 | маркирующий пласт |
| русский | rus-000 | опорный пласт |