BGS mineralogy and petrology collection record

Sample number S22817
Sample Donor Phemister,J.
Rock name Not entered
Stratigraphy Not entered
Comments Very acid granite sill 3-4 ft thick
Locality details 250 yds from Lairg - Tongue road
50k map sheet Altnaharra (108)

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Map reference NC 5370 2938
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


S22817

Cross Polarized, S22817

Plane Polarized, S22817

Plane Polarized, S22817