BGS mineralogy and petrology collection record
| Sample number | E2481 |
|---|---|
| Sample Donor | Not entered |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | foliated porphyry [ quartz porphry ]: crushed. Cryptocrystalline groundmass with biotite in small flakes in parallel arrangement. Phenocrysts of quartz and feldspar crushed, strained and full of mica. Biotite all gone to chlorite. - see Lamplugh p314 |
| Locality details | cliff at Traie ny Uainaigue, Maughold: 4-6' quartz porphry dyke |
| 50k map sheet | Isle of Man (46) |
| Map reference | SC 48264 89225 |
| 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
E2481
