BGS mineralogy and petrology collection record
| Sample number | MR6761; F3342; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Phonolite. 'Original entry: Sanidine Phonolite, Dyke In Essexite' |
| Stratigraphy | Not entered |
| Comments | sanidine phonolite, dyke in essexite, ,Collected by F. Schwalm (Baden):white27 |
| Locality details | Todtenkopf, 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 |