BGS mineralogy and petrology collection record
| Sample number | E21840 |
|---|---|
| Sample Donor | Shannon,W.G. |
| Rock name | 'Original entry: Quartz Biotite Porphyry' |
| Stratigraphy | Not entered |
| Comments | Orthophyre. No rock. Pebbles from Permian breccias. |
| Locality details | Labrador. |
| 50k map sheet | Newton Abbot (339) |
| Map reference | SX 935 708 |
| 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
E21840
