BGS mineralogy and petrology collection record

Sample number S72232; COLLNOFY456;
Sample Donor Highton,A.J.
Rock name 'Original entry: Foliated Microdiorite (Margin)'
Stratigraphy Not entered
Comments From margin of dyke 0.4 m thick, strike 019 deg, dip 50 deg W, foliation strikes 044 deg, dips 20 deg NW; Caledonian
Locality details 350 m SW of Tor Dhuin
50k map sheet Fort Augustus (73)

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Map reference NH 3466 0665
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


S72232

Cross Polarized, S72232

Plane Polarized, S72232

Plane Polarized, S72232