BGS mineralogy and petrology collection record
| Sample number | E63676; COLLNOKB676; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Tuff. 'Original entry: Acid Tuff' |
| Stratigraphy | Not entered |
| Comments | 10m above base at Ynys Cerrig-duon(GROUP= )(FORM= Nant Ffrancon Fm.)(MEMB= Y Glog Unit 1.)(IE=E)(TEXTURE=Welded |
| Locality details | Tremadoc |
| 50k map sheet | Snowdon (119) |
| Map reference | SH 5730 3910 |
| 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
E63676
