Thesaurus Term/Concept: CHERT
| Identifier | 99043 |
|---|---|
| Class | COVERING BUILDING MATERIALS |
| Status | Preferred |
| Index? | Yes |
| Scope Note | A hard silica rich rock, black or brown coloured, commonly found in nodular form. |
| Identifier | 99043 |
|---|---|
| Class | COVERING BUILDING MATERIALS |
| Status | Preferred |
| Index? | Yes |
| Scope Note | A hard silica rich rock, black or brown coloured, commonly found in nodular form. |