BGS mineralogy and petrology collection record
| Sample number | E10866; COLLNO267; |
|---|---|
| Sample Donor | Blake,Professor |
| Rock name | 'Original entry: Mica-Schist' |
| Stratigraphy | Not entered |
| Comments | Mona Complex. Pen-Zone. See Mem.Geol.of Anglesey.p.340. Very siliceous, with some albite |
| Locality details | Llangwyfan west side |
| 50k map sheet | Caernarfon (105) |
| Map reference | SH 33 69 |
| 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
E10866
