BGS mineralogy and petrology collection record
| Sample number | E57562; COLLNOFJ192; |
|---|---|
| Sample Donor | Millward, D. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Porphyritic Andesite (cleaved) |
| Locality details | 850 m NNW of Blackhall (River Duddan Valley) |
| 50k map sheet | Cumbria or Ambleside (38) |
| Map reference | NY 2359 0197 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |