BGS mineralogy and petrology collection record
| Sample number | MR11145; COLLNOC32; |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Porphyrite' |
| Stratigraphy | Not entered |
| Comments | Altered andesite |
| Locality details | Sike W of Bleak Law, Biddlestone |
| 50k map sheet | The Cheviot (5) |
| Map reference | NT 942 104 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |