BGS mineralogy and petrology collection record
| Sample number | E8453; COLLNO114; |
|---|---|
| Sample Donor | Calloway, G.A. |
| Rock name | 'Original entry: Granitic Gneiss Granite Pebble' |
| Stratigraphy | Not entered |
| Comments | See Mem.Geol.of Anglesey c.f.pp.440-2:fig.202. Mona Complex. Ordovician. Ordovician conglomerate with fragments of gneisses. [Tywyn Ridge is crossed out on loose sheet with samples] |
| Locality details | West shore of Llyn Traphwll |
| 50k map sheet | Holyhead (93) |
| Map reference | SH 321 770 |
| 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
E8453
