BGS mineralogy and petrology collection record

Sample number S22073
Sample Donor Phemister,J.
Rock name 'Original entry: Crushed And Foliated Syenite'
Stratigraphy Not entered
Comments Coarse schist formed by shearing; the "Fucoid Bed converted into gneiss" of Dr Peach
Locality details N branch Allt Cathair Bana 585 yds 18 deg S of E from junction with R Oykell
50k map sheet Lairg (102)

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Map reference NC 32992 12787
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


S22073

Cross Polarized, S22073

Plane Polarized, S22073

Plane Polarized, S22073