BGS mineralogy and petrology collection record
| Sample number | E10753; COLLNO154; |
|---|---|
| Sample Donor | Blake,Professor |
| Rock name | 'Original entry: Mica Schist. Grey Gneiss.' |
| Stratigraphy | Not entered |
| Comments | Mona Complex. Pen-Zone. Evenly granoblastic, w. straight, pale, pleochroic micas |
| Locality details | Apparently a mere band S.of Holland Arms |
| 50k map sheet | Caernarfon (105) |
| Map reference | SH 471 725 |
| 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
E10753
