BGS mineralogy and petrology collection record
| Sample number | S12507 |
|---|---|
| Sample Donor | Grabham, G.W. |
| Rock name | 'Original entry: Porphyrite / Quartz Porphyrite' |
| Stratigraphy | Not entered |
| Comments | Dyke with phenocrysts of mica and hornblende |
| Locality details | 840 yds up Coupall from mouth of river, Royal Forest |
| 50k map sheet | Ben Nevis (53) |
| Map reference | NN 2409 5490 |
| 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
S12507
