BGS mineralogy and petrology collection record
| Sample number | E34128; COLLNOKH601; |
|---|---|
| Sample Donor | Harrison,R.K. |
| Rock name | 'Original entry: Granite' |
| Stratigraphy | Not entered |
| Comments | Twthill granite. |
| Locality details | Twthill. |
| 50k map sheet | Caernarfon (105) |
| Map reference | SH 4820 6307 |
| 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
E34128
