BGS mineralogy and petrology collection record

Sample number S40063
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Granodiorite Or Granodiorite Porphyry, Contaminated'
Stratigraphy Not entered
Comments From N edge of grey dyke, against granodiorite; specimen appears to show contact
Locality details Allt Beitheach, 600 yds WSW of Beach House
50k map sheet Tobermory (52)

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Map reference NM 7622 5312
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


S40063

Cross Polarized, S40063

Plane Polarized, S40063

Plane Polarized, S40063