BGS mineralogy and petrology collection record

Sample number S39555
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Granodiorite; Granodiorite Porphyry'
Stratigraphy Not entered
Comments Contact between hybrid porphyritic grey rock (8 inch vein) and granodiorite; in field, grey rock forms a vein in granodiorite
Locality details Burn 1110 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


S39555

Cross Polarized, S39555

Plane Polarized, S39555

Plane Polarized, S39555