BGS mineralogy and petrology collection record
| Sample number | S33609; COLLNO279x; |
|---|---|
| Sample Donor | Eyles,V.A. |
| Rock name | 'Original entry: Porphyritic Trachyandesite' |
| Stratigraphy | Not entered |
| Comments | Large sheet-like mass of intrusive porphyritic trachyte (Calciferous Sandstone suite) |
| Locality details | Crags W side of Girtley Mill |
| 50k map sheet | Glasgow (30) |
| Map reference | NS 2301 6153 |
| 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
S33609
