BGS mineralogy and petrology collection record

Sample number S11796
Sample Donor Maconachie,A.
Rock name 'Original entry: Garnetiferous Biotite Gneiss; Albite Gneiss?'
Stratigraphy Not entered
Comments Much alkali feldspar, green biotite, patches of carbonates; See Mem. Sh. 93, p. 97 & Summ. Prog. 1906, pp. 67-68
Locality details NW shoulder of Carn Chuinneag, 0.5 mile S of Diebidale Lodge
50k map sheet Alness (93)

View images in GeoScenic related to 'Alness'

View the geology near 'Alness'

Map reference NH 471 847
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


S11796

Cross Polarized, S11796

Plane Polarized, S11796

Plane Polarized, S11796