BGS mineralogy and petrology collection record
| Sample number | E10757; COLLNO158; |
|---|---|
| Sample Donor | Blake,Professor |
| Rock name | 'Original entry: Mica Schist' |
| Stratigraphy | Not entered |
| Comments | Mona Complex. Pen-Zone. White micas: large.but 92ft? Mosaic unusually fine for the Pen-Zone. |
| Locality details | Nearest road, E.of Gaerwen Windmill |
| 50k map sheet | Caernarfon (105) |
| Map reference | SH 489 720 |
| 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
E10757
