BGS mineralogy and petrology collection record
| Sample number | N3080 |
|---|---|
| Sample Donor | Krabbendam, Dr Maarten |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Highly altered porphyritic felsite with moderate fine groundmass of quartz, feldspar and acicular mica. Large altered subhedral plagioclase and orthoclase phenocrysts with abundant acicular muscovite inclusions and clear rounded quartz phenocrysts. B |
| Locality details | Glen Isla |
| 50k map sheet | Glen Shee (56W) |
| Map reference | NO 1888 7069 |
| 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
N3080
