BGS mineralogy and petrology collection record

Sample number S64850; COLLNOYR2438;
Sample Donor Smith,D.I.
Rock name 'Original entry: Microdiorite, Fine-Grained'
Stratigraphy Not entered
Comments Chilled edge of 2 m-wide dyke
Locality details 1 km N of Loch Ruthven
50k map sheet Fort Augustus (73)

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Map reference NH 6200 2888
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


S64850

Cross Polarized, S64850

Plane Polarized, S64850

Plane Polarized, S64850