BGS mineralogy and petrology collection record

Sample number N3121
Sample Donor Krabbendam, Dr Maarten
Rock name Not entered
Stratigraphy Not entered
Comments Medium fine grained biotitic psammite, mainly quartz and biotite, some muscovite. Distinct S1 spaced cleavage (spacing 1-2 mm) at slight angles to poorly developed S2 mica fabric. Muscovite blasts often overgrow biotite at large angles to fabrics. Po
Locality details Carn an Fhidlair
50k map sheet Glen Shee (56W)

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Map reference NO 1752 6528
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


N3121

Cross Polarized, N3121

Plane Polarized, N3121

Plane Polarized, N3121