Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus | 
| media  | |
|---|---|
| USE | materials | 
| median masses  | |
|---|---|
| SN | As of 1981, no longer a valid term for GeoRef. See tectonics; orogenic belts. | 
| Median Tectonic Line  | |
|---|---|
| BT | Asia | 
| .Far East | |
| ..Japan | |
| ...Median Tectonic Line | |
| RT | tectonics | 
| plate tectonics | |
| Honshu | |
| Kyushu | |
| Shikoku | |
| SN | Southwest Japan. | 
| median valley  | |
|---|---|
| UF | valley, median | 
| RT | rift zones | 
| rifting | |
| mid-ocean ridges | |
| Mid-Atlantic Ridge | |