BGS mineralogy and petrology collection record
| Sample number | E26929; COLLNOFD39; |
|---|---|
| Sample Donor | Dunning,F.W. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Massive grey Tuff in base of grey slates (B8) |
| Locality details | Roadside outcrop, 400 yds. S of Tyn-Y-Groes |
| 50k map sheet | Bangor (106) |
| Map reference | SH 766 596 |
| 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
E26929
