BGS mineralogy and petrology collection record
| Sample number | E72343; COLLNOCT722; |
|---|---|
| Sample Donor | Johnson,E.W. |
| Rock name | Porphyry. 'Original entry: Felsite' |
| Stratigraphy | Caradoc. Borrowdale Volcanic Group. |
| Comments | felsite |
| Locality details | not recorded |
| 50k map sheet | Cumbria or Ambleside (38) |
| Map reference | SD 1855 9698 |
| Year collected | 1984 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |