BGS mineralogy and petrology collection record
| Sample number | S203 |
|---|---|
| Sample Donor | UNKNOWN |
| Rock name | 'Original entry: Biotite Porphyrite' |
| Stratigraphy | Not entered |
| Comments | Biotite porphyrite, holocrystalline |
| Locality details | Woodhead Hill, 4 miles SSW of Dumfries |
| 50k map sheet | Maxwelltown (9) |
| Map reference | NX 92 71 |
| 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
S203
