BGS mineralogy and petrology collection record
| Sample number | E62898; COLLNOOHR5025; |
|---|---|
| Sample Donor | Colman, T.B. |
| Rock name | 'Original entry: Hornblende Schist' |
| Stratigraphy | Not entered |
| Comments | Hornblende schist. Penmynydd Zone |
| Locality details | Penmynydd Twll y Clawdd. c. 260 m SW of Farm |
| 50k map sheet | Caernarfon (105) |
| Map reference | SH 4977 7371 |
| 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
E62898
