BGS mineralogy and petrology collection record

Sample number S22067
Sample Donor Phemister,J.
Rock name 'Original entry: Deformed Lamprophyre / Porphyrite From Shonkinite Zone Of Laccolith'
Stratigraphy Not entered
Comments From top of main portion of sill below S.22065
Locality details Left bank of R Oykell, 240 yds from junction with Allt Cathair Bana
50k map sheet Lairg (102)

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Map reference NC 32134 11895
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


S22067

Cross Polarized, S22067

Plane Polarized, S22067

Plane Polarized, S22067