| CLASSIFICATION_SYS | CHAR VARYING (40) | REFERENCES CLSN_SYS (CLSN_SYS_NAME), |
| CLSN_CLS_NAME | CHAR VARYING (80) | NOT NULL, |
| DESCRIPTION | CHAR VARYING (255) | , |
| END_DATE | DATE | , |
| MATERIAL_CLASS_S | CHAR VARYING (19) | NOT NULL PRIMARY KEY, |
| ROCK_FEATURE_S | CHAR VARYING (19) | REFERENCES ROCK_FEATURE (ROCK_FEATURE_S), |
| SOURCE | CHAR VARYING (40) | NOT NULL REFERENCES R_SOURCE (R_SOURCE_NAME), |
| SOURCE_REFERENCE_S | CHAR VARYING (19) | REFERENCES R_SOURCE_REF (R_SOURCE_REF_S), |
| START_DATE | DATE | , |
| STATUS | CHAR VARYING (11) | , |
| VERSION | CHAR VARYING (40) | REFERENCES R_EPCNT_VERSION (NAME) |
)