BGS mineralogy and petrology collection record

Sample number S28795
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Lamrophyre Or Appinite'
Stratigraphy Not entered
Comments 4-6 ft sheet or dyke of lamprophyre or appinite; runs N 15 deg E, cuts psammite, has pale veins later than (?flow) foliation
Locality details In burn, 90 yds E 30 deg S of Assary
50k map sheet Tobermory (52)

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Map reference NM 7616 7581
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


S28795

Cross Polarized, S28795

Plane Polarized, S28795

Plane Polarized, S28795