BGS mineralogy and petrology collection record
| Sample number | MR22012; F6248; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Trachyte. 'Original entry: Trachyte' |
| Stratigraphy | Not entered |
| Comments | trachyte, ,Collected by Prof. L Guillaume:65 |
| Locality details | Small ravine S of Ravin de la Cour, Sancy, Puys de Dome, c. 20 miles SW of Clermont Ferrand,surface exposure,Map 166,France |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | 1959 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |