BGS mineralogy and petrology collection record

Sample number S40062
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Granodiorite Porphyry, Contaminated'
Stratigraphy Not entered
Comments Occurs E of S.40061 and apparently grades into S.40061 type
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


S40062

Cross Polarized, S40062

Plane Polarized, S40062

Plane Polarized, S40062