Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Usa Series  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Cambrian | |
| ....Lower Cambrian | |
| .....Usa Series | |
| RT | Russian Federation |
| SN | Includes marble plus dolomites interspersed with beds of siliceous schist. In the Kuznetsk Alatau mountain region of Kemerovo Oblast and Khakass Autonomous Oblast E of Novosibirsk. |