BGS mineralogy and petrology collection record
| Sample number | S40197; COLLNOYB344; |
|---|---|
| Sample Donor | Lawrie,T.R.M. |
| Rock name | 'Original entry: Acid Permeation Gneiss, Unfoliated (Biotite Granite)' |
| Stratigraphy | Not entered |
| Comments | Acid permeation gneiss, similar to S. 40196, but with no apparent foliation. A local and patchy modification of the permeation gneiss, in composition and appearance a biotite granite |
| Locality details | 145 yds S 32 deg W of W end of Lochan na Carnaich, 3 ft away from S. 40196 |
| 50k map sheet | Loch Eil (62) |
| Map reference | NM 9247 8156 |
| 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
S40197
