BGS mineralogy and petrology collection record

Sample number S51920; COLLNOYR1390;
Sample Donor Smith,D.I.
Rock name 'Original entry: Felsite'
Stratigraphy Not entered
Comments Felsite boulder at base of M ORS conglomerate
Locality details 1400 yds N 10 deg W from outflow of Loch Ruthven
50k map sheet Fort Augustus (73)

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Map reference NH 599 289
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


S51920

Cross Polarized, S51920

Plane Polarized, S51920

Plane Polarized, S51920