BGS mineralogy and petrology collection record

Sample number S40070
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Granodiorite Porpohyry, Contaminated'
Stratigraphy Not entered
Comments From vein of feldsparphyric grey rock in river
Locality details Burn 1100 yds S 10 deg W of Achleek
50k map sheet Tobermory (52)

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Map reference NM 7910 5906
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


S40070

Cross Polarized, S40070

Plane Polarized, S40070

Plane Polarized, S40070