BGS mineralogy and petrology collection record
| Sample number | E63102; COLLNOKB102; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Metadiorite. 'Original entry: Microdiorite' |
| Stratigraphy | Not entered |
| Comments | Intrusion in Nant Ffrancon Fm.(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Fine-grained |
| Locality details | Pen Maen Mawr Quarry |
| 50k map sheet | Bangor (106) |
| Map reference | SH 7030 5760 |
| 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
E63102
