BGS mineralogy and petrology collection record
| Sample number | E66337; COLLNOWPR81; |
|---|---|
| Sample Donor | Pratt, W. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Acid type feldspar; crystal rich |
| Locality details | Beside hut at Summit of Cadair Idris |
| 50k map sheet | Barmouth (149) |
| Map reference | SH 7110 1306 |
| 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
E66337
