BGS mineralogy and petrology collection record
| Sample number | N3079 |
|---|---|
| Sample Donor | Krabbendam, Dr Maarten |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Porphyritic felsite with very fine groundmass of feldspar and mica (?). Large altered euhedral phenocrysts of alkali feldspar and plagioclase unaltered subhedral quartz. Small phenocrysts of muscovite. Accessory opaques, biotite. |
| Locality details | Glen Isla |
| 50k map sheet | Glen Shee (56W) |
| Map reference | NO 1894 7075 |
| 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
N3079
