BGS mineralogy and petrology collection record

Sample number S50066; COLLNOYR1046;
Sample Donor Dearnley,R.
Rock name 'Original entry: Microdiorite ("Porphyrite")'
Stratigraphy Not entered
Comments Foliated porphyrite sheet, centre
Locality details R. Farigaig below roadbridge at Torness
50k map sheet Fort Augustus (73)

View images in GeoScenic related to 'Fort Augustus'

View the geology near 'Fort Augustus'

Map reference NH 580 270
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


S50066

Cross Polarized, S50066

Plane Polarized, S50066

Plane Polarized, S50066