Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
ferruginous composition  | |
|---|---|
| RT | banded iron formations |
| composition | |
| iron | |
| iron formations | |
| iron-rich composition | |
| red beds | |
| sedimentary rocks | |
| sediments | |
| SN | Before 1978, also search ferruginous. As of 1981, use only for sedimentary formations. |