BGS mineralogy and petrology collection record
| Sample number | E72153; COLLNODMA201; |
|---|---|
| Sample Donor | Millward, D. |
| Rock name | Porphyry. |
| Stratigraphy | Caradoc. |
| Comments | biotite-quartz-feldspar porphyry (dyke) |
| Locality details | Wet Sleddale |
| 50k map sheet | Appleby (30) |
| Map reference | NY 5441 1108 |
| Year collected | 1998 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |