| SeriesId |
| ColumnName | SeriesId |
| Definition | Unique key assigned to each gelogic series/epoch |
| Series |
| ColumnName | Series |
| Definition | Designates a fundamental unit of the sample’s geologic age, either series or epoch (See Stratigraphic Nomenclature Databases for the United States, its possessions and territories) |
| LastUpdateStamp |
| ColumnName | LastUpdateStamp |
| Definition | Timestamp of Last Update |
| LastUpdateUser |
| ColumnName | LastUpdateUser |
| Definition | Updated by |