BGS mineralogy and petrology collection record
| Sample number | E46335; COLLNOBP37; |
|---|---|
| Sample Donor | Lowe,D.J. |
| Rock name | 'Original entry: Porphyritic Volcanic Rock' |
| Stratigraphy | Not entered |
| Comments | Feldspar porphyry, Ordovician |
| Locality details | Exposure, 410 m at 095 deg from Allt Lwyd |
| 50k map sheet | Harlech (135) |
| Map reference | SH 8016 2885 |
| 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
E46335
