BGS mineralogy and petrology collection record
| Sample number | E72002; COLLNOIY1054; |
|---|---|
| Sample Donor | Beddoe-Stephens,B. |
| Rock name | Porphyry. 'Original entry: Felsite Porphyry' |
| Stratigraphy | Ordovician. Borrowdale Volcanic Group. |
| Comments | Porphyritic felsite |
| Locality details | Near bottom of Laythwaite Sike |
| 50k map sheet | Appleby (30) |
| Map reference | NY 48635 14381 |
| Year collected | 1997 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |