BGS mineralogy and petrology collection record
| Sample number | E20235; MR17290; COLLNO30; |
|---|---|
| Sample Donor | Dibley Collection |
| Rock name | 'Original entry: Quartz-Porphyry' |
| Stratigraphy | Not entered |
| Comments | Pebbles from the chalk. ? Tridymite pseudomorphs |
| Locality details | Location Unknown |
| 50k map sheet | Not entered |
| 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
E20235
