BGS mineralogy and petrology collection record
| Sample number | MR6759; F3340; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Phonolite. 'Original entry: Nepheline Phonolite' |
| Stratigraphy | Not entered |
| Comments | nepheline phonolite, ,Collected by F. Schwalm (Baden):white25 |
| Locality details | Kleintal, Kaiserstuhl,surface exposure,See ledger for reference to analysis,Germany |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | 1932 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |