BGS mineralogy and petrology collection record
| Sample number | S29332 |
|---|---|
| Sample Donor | Phemister,J. |
| Rock name | 'Original entry: Spherulitic Felsite' |
| Stratigraphy | Not entered |
| Comments | Spherulitic felsite. Dyke of reddish spherulitic rhyolite or felsite; repeated spherulitic crystallisation |
| Locality details | 1700 ft downstream from exit from Tunis Loch |
| 50k map sheet | Yell (130) |
| Map reference | HU 327 912 |
| 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
S29332
