BGS mineralogy and petrology collection record
| Sample number | E49884; COLLNODN101; |
|---|---|
| Sample Donor | Follows, R.J. |
| Rock name | 'Original entry: Diorite' |
| Stratigraphy | Not entered |
| Comments | Porphyritic leucodiorite |
| Locality details | Gwynfynydd No. 6, Specimen from 230 yds along level; in small side Passage |
| 50k map sheet | Harlech (135) |
| Map reference | SH 7373 2808 |
| 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
E49884
