BGS mineralogy and petrology collection record
| Sample number | E10778; COLLNO179; |
|---|---|
| Sample Donor | Blake,Professor |
| Rock name | 'Original entry: Hornblende Gneiss' |
| Stratigraphy | Not entered |
| Comments | Mona Complex. The Gneisses. See Mem.Geol.of Anglesey.p.372 Epidotized,w. saussuritized alkali-feldspar. Crushing. Slide thick. |
| Locality details | N.of [Tan]-Y-Graig |
| 50k map sheet | Caernarfon (105) |
| Map reference | SH 478 729 |
| 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
E10778
