BGS mineralogy and petrology collection record
| Sample number | E63202; COLLNOKB202; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Rhyolite. 'Original entry: Rhyolite' |
| Stratigraphy | Not entered |
| Comments | Possibly not extrusive but intrusive(GROUP= Llewelyn Volcanic Group)(FORM= Conwy Rhyolite Fm.)(MEMB= .)(IE=E)(TEXTURE=Fine, massive |
| Locality details | Pen Maen Bach, nr tunnel |
| 50k map sheet | Llandudno (94) |
| Map reference | SH 7500 7845 |
| 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
E63202
