BGS mineralogy and petrology collection record
| Sample number | E21557; COLLNORB1792; |
|---|---|
| Sample Donor | Road Board |
| Rock name | 'Original entry: Microgranodiorite' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | Carreg Y Llam Quarry, 0.75 miles SW. of Porth Y Nant Pier. |
| 50k map sheet | Nefyn (118) |
| Map reference | SH 338 437 |
| 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
E21557
