BGS mineralogy and petrology collection record

Sample number S28813
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Foliated Hornblende-Biotite Lamprophyre'
Stratigraphy Not entered
Comments 6 ft inclusion (?lamprophyre) in appinite. The appinite is itself a large inclusion in the tonalite
Locality details N shore of Loch Sunart, 400 yds W 42 deg N of Ranachan
50k map sheet Tobermory (52)

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Map reference NM 7869 6117
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


S28813

Cross Polarized, S28813

Plane Polarized, S28813

Plane Polarized, S28813