BGS mineralogy and petrology collection record
| Sample number | E54864; COLLNOLA1001; |
|---|---|
| Sample Donor | Allen,P.M. |
| Rock name | Metadiorite. 'Original entry: Microtonalite' |
| Stratigraphy | Not entered |
| Comments | Microtonalite. |
| Locality details | 540 m. at 48 deg. from North Hill Farm. |
| 50k map sheet | St. Davids (209) |
| Map reference | SM 9471 2543 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |