BGS mineralogy and petrology collection record
| Sample number | E63517; COLLNOKB517; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Tuff. 'Original entry: Acid Ash Flow Tuff' |
| Stratigraphy | Not entered |
| Comments | (GROUP= Nantmor Group)(FORM= Pitts Head Tuff Fm.)(MEMB= Llwyd Mawr Tuff.)(IE=E)(TEXTURE=Welded |
| Locality details | Craig Cwm Silyn |
| 50k map sheet | Nefyn (118) |
| Map reference | SH 502 493 |
| 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
E63517
