BGS mineralogy and petrology collection record
| Sample number | E63206; COLLNOKB206; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Metadiorite. 'Original entry: Microdiorite' |
| Stratigraphy | Not entered |
| Comments | Pen Maen Mawr intrusion into Nant Ffrancon Fm.(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE= |
| Locality details | Pen Maen Mawr, E of tunnel |
| 50k map sheet | Llandudno (94) |
| Map reference | SH 7100 7625 |
| 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
E63206
