BGS mineralogy and petrology collection record

Sample number S27921
Sample Donor Kennedy, William Q.
Rock name 'Original entry: Garnetiferous Muscovite Augen Gneiss'
Stratigraphy Not entered
Comments Garnetiferous muscovite augen gneiss, with feldspathic injection rocks of semipelitic and pelitic type
Locality details Crag on top of ridge, 100 yds W 20 deg S of N end of Lochan a' Mhuilinn
50k map sheet Tobermory (52)

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Map reference NM 7499 7081
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


S27921

Cross Polarized, S27921

Plane Polarized, S27921

Plane Polarized, S27921