BGS mineralogy and petrology collection record
| Sample number | E10849; COLLNO250; |
|---|---|
| Sample Donor | Blake,Professor |
| Rock name | 'Original entry: Biotite-Gneiss' |
| Stratigraphy | Not entered |
| Comments | see mem. Geology of Anglesey pp 326-7 Basic Gneiss or Diorite Foliation Feeble Mona Complex The Gneisses |
| Locality details | Ridge E. of Parys Mountain |
| 50k map sheet | Holyhead (93) |
| Map reference | SH 446 903 |
| 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
E10849
