BGS mineralogy and petrology collection record

Sample number S72136; COLLNOFY349;
Sample Donor Highton,A.J.
Rock name 'Original entry: Microdiorite'
Stratigraphy Not entered
Comments From 1.2 m-thick dyke, strike 015 deg, dip 64 deg E; Late Caledonian
Locality details Allt na Fearna
50k map sheet Fort Augustus (73)

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Map reference NH 3537 0943
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


S72136

Cross Polarized, S72136

Plane Polarized, S72136

Plane Polarized, S72136