BGS mineralogy and petrology collection record

Sample number S17608
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Acid Gneiss (Hhr)'
Stratigraphy Not entered
Comments Inlier of Lewisian Gneiss Type in Moines (cf. Durcha Hornblendic Type)
Locality details Abhainn Sgeitheach, 500 ft S of junction with Feith a'Chaoruinn
50k map sheet Lairg (102)

View images in GeoScenic related to 'Lairg'

View the geology near 'Lairg'

Map reference NC 57771 17132
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


S17608

Cross Polarized, S17608

Plane Polarized, S17608

Plane Polarized, S17608