BGS mineralogy and petrology collection record
| Sample number | E518 |
|---|---|
| Sample Donor | Ramsey,Professor |
| Rock name | 'Original entry: Feldspar Porphyry' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | Bwlch Mawr, 1.5 miles SE. of Clynog Fawr. |
| 50k map sheet | Nefyn (118) |
| Map reference | |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |
Petrological thin sections
Links to high resolution images
Transition from XPL to PPL light
E518
