BGS mineralogy and petrology collection record
| Sample number | E39491; COLLNOMH335; |
|---|---|
| Sample Donor | Howells,M.F. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Lower Crafnant Tuff Sequence; the tuffs forming crags and the intervening fine sediments forming poorly exposed slacks |
| Locality details | Aberllyn Section 1100yds N of Betws y Coed Railway Station 524ft above base |
| 50k map sheet | Bangor (106) |
| Map reference | SH 7950 5760 |
| 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
E39491
