BGS mineralogy and petrology collection record

Sample number S50064; COLLNOYR1044;
Sample Donor Dearnley,R.
Rock name 'Original entry: Microdiorite'
Stratigraphy Not entered
Comments Foliated microdiorite 5 ft sheet , centre
Locality details 1500 yds W 30 deg N from Ruthven House
50k map sheet Fort Augustus (73)

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Map reference NH 590 275
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


S50064

Cross Polarized, S50064

Plane Polarized, S50064

Plane Polarized, S50064