BGS mineralogy and petrology collection record
| Sample number | N18001; COLLNOXN2; |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Moderately Dark Psammitic Schist' |
| Stratigraphy | Not entered |
| Comments | 1950 Collected in connection with HE9/R24. |
| Locality details | Glen Errochty, Loch Tummel tunnel (HE9), Outfall Drive, centre triper tunnel, 70 feet from zero point, Perthshire. |
| 50k map sheet | Not entered |
| Map reference | NN 7774 6197 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |