Thesaurus Term/Concept: ELVAN
| Identifier | 99130 |
|---|---|
| Class | COVERING BUILDING MATERIALS |
| Status | Preferred |
| Index? | Yes |
| Scope Note | Miner's term for fine grained, often light grey/fawn coloured porphyritic rocks. Commonly found in Devon and Cornwall. |
| Identifier | 99130 |
|---|---|
| Class | COVERING BUILDING MATERIALS |
| Status | Preferred |
| Index? | Yes |
| Scope Note | Miner's term for fine grained, often light grey/fawn coloured porphyritic rocks. Commonly found in Devon and Cornwall. |