BGS mineralogy and petrology collection record
| Sample number | E64411; COLLNOTL42; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Tuff. 'Original entry: Acid Ash Flow Tuff' |
| Stratigraphy | Not entered |
| Comments | Staining along cleavage planes(GROUP= Snowdon Volcanic Group)(FORM= Upper Crafnant Volc. Fm.)(MEMB= .)(IE=E)(TEXTURE=Cleaved |
| Locality details | Road, Cwm Llanerch, Be. y C |
| 50k map sheet | Bangor (106) |
| Map reference | SH 7978 5776 |
| 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
E64411
