BGS mineralogy and petrology collection record
| Sample number | S28336 |
|---|---|
| Sample Donor | Allan,J.K. |
| Rock name | 'Original entry: Microcline-Biotite-Oligoclase Gneiss' |
| Stratigraphy | Not entered |
| Comments | Microcline-biotite-oligoclase gneiss. Grey gneiss with acid pegmatite injection; permeation gneiss |
| Locality details | 450 yds N from Hole of Sigla |
| 50k map sheet | Yell (130) |
| Map reference | HU 547 915 |
| 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
S28336
