BGS mineralogy and petrology collection record
| Sample number | E53174; COLLNOLA814; |
|---|---|
| Sample Donor | Allen,P.M. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Porphyry |
| Locality details | Treycaw BH, 380 yds 105 deg from Treycaw Fm. entrance |
| 50k map sheet | St. Davids (209) |
| Map reference | SM 8446 2809 |
| Year collected | Not entered |
| Bore name | Trecaw Farm |
| Confidentiality | No restrictions |
Petrological thin sections
Links to high resolution images
Transition from XPL to PPL light
E53174
