BGS mineralogy and petrology collection record
| Sample number | E10991; COLLNO72; |
|---|---|
| Sample Donor | Matley, C.A |
| Rock name | 'Original entry: Ashy Grit' |
| Stratigraphy | Not entered |
| Comments | see mem. Geology of Anglesey pp 300:308 Similar fragments ina pelitic matrix. Character as of church Bay Tuffs Mona Complex Church Bay Tuffs |
| Locality details | Porth-y-Wylfa SW. corner |
| 50k map sheet | Holyhead (93) |
| Map reference | SH 361 938 |
| 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
E10991
