BGS mineralogy and petrology collection record
| Sample number | E18352; COLLNO5; |
|---|---|
| Sample Donor | Bailey, Doctor. |
| Rock name | 'Original entry: Mylonite Grit. Locally Flinty Crush' |
| Stratigraphy | Not entered |
| Comments | Possible film of basic Arenig grit where Arenig shales overlie schist. |
| Locality details | Quarry, Tyddyn-Dafydd, Penrhyn, 1 mile E. of Aberdaron. |
| 50k map sheet | Aberdaron and Bardsey Island (133)
View images in GeoScenic related to 'Aberdaron and Bardsey Island' |
| Map reference | SH 189 259 |
| 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
E18352
