Deposition of coal and silica (morphologic abnormality)
| Code | 61986006 |
|---|---|
| Semantic tag | morphologic abnormality |
| Module | international |
| Definition | primitive |
| Effective time | 20020131 |
81112007Deposition of coal
morphologic abnormality
62753000Deposition of silica
morphologic abnormality
None (leaf concept).