BGS mineralogy and petrology collection record
| Sample number | E67113; COLLNOWPRQQ11; |
|---|---|
| Sample Donor | Pratt, W. |
| Rock name | 'Original entry: Tuff' |
| Stratigraphy | Not entered |
| Comments | Craig Caw Formation. Welded tuff |
| Locality details | 1000 m at 068 deg from Cwmrhyfffor Farm, Craig y Llan |
| 50k map sheet | Barmouth (149) |
| Map reference | SH 7459 1242 |
| 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
E67113
