BGS mineralogy and petrology collection record
| Sample number | S30297 |
|---|---|
| Sample Donor | Phemister,J. |
| Rock name | 'Original entry: Acid ?Biotite Porphyrite' |
| Stratigraphy | Not entered |
| Comments | Acid ?biotite porphyrite, small corroded quartz pisoliths, fP |
| Locality details | Near source of Franca Burn, 500 yards NE of triangulation point on Green Lowther 2402.5 feet |
| 50k map sheet | Sanquhar (15) |
| Map reference | Not entered |
| 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
S30297
