BGS mineralogy and petrology collection record
| Sample number | E10201; COLLNO413; |
|---|---|
| Sample Donor | Greenly,E. |
| Rock name | 'Original entry: Black Grit' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | S.wall of Ty'n-yr-ardu, Llangrisfiolus |
| 50k map sheet | Caernarfon (105) |
| Map reference | SH 45 75 |
| 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
E10201
