BGS mineralogy and petrology collection record

Sample number S51937; COLLNOYR1389;
Sample Donor Smith,D.I.
Rock name 'Original entry: Microdiorite'
Stratigraphy Not entered
Comments Centre of 4 ft microdiorite dyke
Locality details 1250 yds N 12 deg W from outflow of Loch Ruthven
50k map sheet Fort Augustus (73)

View images in GeoScenic related to 'Fort Augustus'

View the geology near 'Fort Augustus'

Map reference NH 604 288
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


S51937

Cross Polarized, S51937

Plane Polarized, S51937

Plane Polarized, S51937