BGS mineralogy and petrology collection record

Sample number S40060
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Granodiorite Porphyry, Contaminated'
Stratigraphy Not entered
Comments From large E-W big-feldspar granitic dyke
Locality details 340 yds N 12 deg W of milepost Corran 22 on Corran - Lochaline road
50k map sheet Tobermory (52)

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Map reference NM 7623 5471
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


S40060

Cross Polarized, S40060

Plane Polarized, S40060

Plane Polarized, S40060