Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
concentric folds  | |
|---|---|
| BT | folds |
| .concentric folds | |
| UF | parallel folds |
| RT | similar folds |
| SN | Before 1978, also search concentric AND folds; search parallel AND folds. |
| Data sets | Publications | Expeditions | Thesaurus |
| concentric folds | |
|---|---|
| BT | folds |
| .concentric folds | |
| UF | parallel folds |
| RT | similar folds |
| SN | Before 1978, also search concentric AND folds; search parallel AND folds. |