BGS mineralogy and petrology collection record
| Sample number | E7912; COLLNO53; |
|---|---|
| Sample Donor | Barrow, G. |
| Rock name | Porphyry. 'Original entry: Granite Porphyry' |
| Stratigraphy | Not entered |
| Comments | S. of granite margin with tourmaline. |
| Locality details | E. side of St. Neots River. N. of Old Wheal Herbert. (Adit to Wheal Herbert). |
| 50k map sheet | Camelford (336) |
| Map reference | |
| 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
E7912
