BGS mineralogy and petrology collection record
| Sample number | MR21403 |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Phtanite' |
| Stratigraphy | Proterozoic. |
| Comments | Phtanite, Pre-Cambrian - Brioverian,Collected by C J Stubblefield: |
| Locality details | Lande des Vardes, Quarries, E of Coutances, Normandy,quarry,France |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | 1957 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |