BGS mineralogy and petrology collection record
| Sample number | E38731; COLLNOCE24; |
|---|---|
| Sample Donor | Evans,C.D.R. |
| Rock name | 'Original entry: Tuff' |
| Stratigraphy | Not entered |
| Comments | Splintery acid tuff, about 4 ft thick in lower part of the bedded pyroclastics. |
| Locality details | 430 yds 183 deg from Dolwyddelan Castle |
| 50k map sheet | Snowdon (119) |
| Map reference | SH 7219 7203 |
| 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
E38731
