BGS mineralogy and petrology collection record

Sample number S28826
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Biotite-Phyric Monchiquite Or Camptonite'
Stratigraphy Not entered
Comments 3-4 ft biotite-phyric monchiquite or camptonite dyke; cuts pink-feldspar granodiorite, runs NW
Locality details Burn 720 yds ENE of Achleek
50k map sheet Tobermory (52)

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Map reference NM 7683 5604
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


S28826

Cross Polarized, S28826

Plane Polarized, S28826

Plane Polarized, S28826