BGS mineralogy and petrology collection record
| Sample number | S37845 |
|---|---|
| Sample Donor | Phemister,J. |
| Rock name | 'Original entry: Felsite, Cryptopegmatitic' |
| Stratigraphy | Not entered |
| Comments | Felsite, cryptopegmatitic. See Min Mag 1950, Vol XXIX, p. 365; subspherulitic, with biotite needles |
| Locality details | Grud Burn, 1550 ft upstream from junction with burn from Little Ballia Clett |
| 50k map sheet | Yell (130) |
| Map reference | HU 317 827 |
| 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
S37845
