Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus | 
| Ches  | 
|---|
| Chesapeake  | 
|---|
| Chesapeake Bay  | |
|---|---|
| BT | United States | 
| .Chesapeake Bay | |
| RT | Virginia | 
| Maryland | |
| Atlantic Coastal Plain | |
| North Atlantic | |
| SN | Inlet of Atlantic Ocean in E United States. Indexed with states as applicable. | 
| Chesapeake Group  | |
|---|---|
| BT | Chronostratigraphic Units | 
| .Phanerozoic | |
| ..Cenozoic | |
| ...upper Cenozoic | |
| ....Chesapeake Group | |
| RT | Oligocene | 
| Pliocene | |
| Pleistocene | |
| Miocene | |
| Virginia | |
| North Carolina | |
| Maryland | |
| Delaware | |
| Calvert Formation | |
| Choptank Formation | |
| Chowan River Formation | |
| Eastover Formation | |
| Saint Marys Formation | |
| Yorktown Formation | |
| SN | Virginia, North Carolina, Delaware and E Maryland. At one time considered, middle and upper Miocene, it ranges from Oligocene to Pleistocene. Indexed with age or ages as applicable. Added to Thesaurus in 1985. | 
| Cheshire County New Hampshire  | |
|---|---|
| BT | w Hampshire | 
| .Cheshire County New Hampshire | |
| Cheshire England  | |
|---|---|
| BT | Europe | 
| .Western Europe | |
| ..United Kingdom | |
| ...Great Britain | |
| ....England | |
| .....Cheshire England | |
| RT | Mersey River | 
| Mersey Valley | |
| SN | County in NW England. | 
| Cheshire Formation  | |
|---|---|
| RT | Archean | 
| Belingwe greenstone belt | |
| Connecticut | |
| Lower Cambrian | |
| Massachusetts | |
| New York | |
| Quebec | |
| Vermont | |
| Zimbabwe | |
| SN | W Connecticut, W Massachusetts, SE New York, SW Vermont and S Quebec. Also in the Archean Ngezi Group, Belingwe greenstone belt, Zimbabwe. Indexed with age as applicable. Added to Thesaurus in 1989. | 
| Chesil Beach England  | |
|---|---|
| BT | Europe | 
| .Western Europe | |
| ..United Kingdom | |
| ...Great Britain | |
| ....England | |
| .....Dorset England | |
| ......Chesil Beach England | |
| SN | On the English Channel in Dorset. | 
| Chester County Pennsylvania  | |
|---|---|
| BT | United States | 
| .Pennsylvania | |
| ..Chester County Pennsylvania | |
| SN | SE Pennsylvania. | 
| Chester County South Carolina  | |
|---|---|
| BT | United States | 
| .South Carolina | |
| ..Chester County South Carolina | |
| SN | N South Carolina. | 
| Chester County Tennessee  | |
|---|---|
| BT | United States | 
| .Tennessee | |
| ..Chester County Tennessee | |
| SN | SW Tennessee. | 
| Chester Series  | |
|---|---|
| USE | Chesterian | 
| Chesterfield County South Carolina  | |
|---|---|
| BT | United States | 
| .South Carolina | |
| ..Chesterfield County South Carolina | |
| NT | Pageland South Carolina | 
| SN | N South Carolina. | 
| Chesterfield County Virginia  | |
|---|---|
| BT | United States | 
| .Virginia | |
| ..Chesterfield County Virginia | |
| SN | E central Virginia. Also search Colonial Heights Virginia if applicable. | 
| Chesterian  | |
|---|---|
| BT | Chronostratigraphic Units | 
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Mississippian | |
| .....Upper Mississippian | |
| ......Chesterian | |
| NT | Aux Vases Sandstone | 
| Beech Creek Limestone Member | |
| Cypress Sandstone | |
| Golconda Formation | |
| Imo Formation | |
| Renault Formation | |
| UF | Chester Series | 
| RT | Kentucky | 
| Missouri | |
| Illinois | |
| Indiana | |
| Alabama | |
| Tennessee | |
| Morrowan | |
| Meramecian | |
| Springer Formation | |
| SN | Provincial series, North America. Formations included in standard section: Aux Vases Sandstone, Renault Limestone, Bethel Sandstone, Point Creek Formation. N Alabama, Illinois, S Indiana, Kentucky, E Missouri, and Tennessee. | 
| Chestnut soils  | |
|---|---|
| BT | soils | 
| .Chestnut soils | |
| RT | soil group | 
| Zonal soils | |
| Chernozems | |