BGS mineralogy and petrology collection record
| Sample number | S74004; COLLNONX1400A; |
|---|---|
| Sample Donor | Rock,N.M.S. |
| Rock name | Porphyry. |
| Stratigraphy | Not entered |
| Comments | Porphyritic felsite, richly feldsparphyric facies (shown as cutting Great Conglomerate on map but no contacts actually seen. May be Lower Carboniferous) |
| Locality details | Disused quarry in woods just E of A68, Ford, Earlston |
| 50k map sheet | Kelso (25) |
| Map reference | NT 5680 3908 |
| 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
S74004
