Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
chalk  | |
|---|---|
| BT | sedimentary rocks |
| .carbonate rocks | |
| ..chalk | |
| RT | calcite |
| limestone | |
| chalk deposits | |
| SN | As of 1981, no longer a valid term for GeoRef. Use Upper Cretaceous for the age. |
| chalk deposits | |
|---|---|
| RT | chalk |
| limestone deposits | |
| Chalk River | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Ontario | |
| ...Chalk River | |
| SN | Tributary of Ottawa River, SE Ontario. For the town, see Chalk River Ontario. Added to Thesaurus in 1985. |
| Chalk River Ontario | |
|---|---|
| BT | Canada |
| .Eastern Canada | |
| ..Ontario | |
| ...Renfrew County Ontario | |
| ....Chalk River Ontario | |
| SN | Town near Ottawa River in Renfrew County. |
| Chalkidiki | |
|---|---|
| BT | Europe |
| .Southern Europe | |
| ..Greece | |
| ...Greek Macedonia | |
| ....Chalkidiki | |
| UF | Chalcidice |
| Khalkidhiki | |
| RT | Salonika Greece |
| SN | Peninsula, S central Greek Macedonia. This term has multiple hierarchies. |