BGS mineralogy and petrology collection record
| Sample number | S42104; S42104/A; |
|---|---|
| Sample Donor | McCall, J. |
| Rock name | 'Original entry: Highly Altered Andesite' |
| Stratigraphy | Not entered |
| Comments | Highly altered andesite (L. ORS). A dark grey well-foliated schistose rock from the Beinn a' Bhuiridh Screen |
| Locality details | Allt Coire Ghlais, about 0.75 mile from junction with Allt Coire Creachainn, 3.5 miles WNW of Dalmally Bridge |
| 50k map sheet | Oban (45) |
| Map reference | NN 1134 2916 |
| 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
S42104
S42104/A
