BGS mineralogy and petrology collection record

Sample number S2493
Sample Donor Maconachie,A.
Rock name 'Original entry: Biotite And Plagioclase (Granitic Structure)'
Stratigraphy Not entered
Comments Chlorite strings in plagioclase
Locality details Quarry 0.25 mile SE of Oldtown of Atherb, Bruckley
50k map sheet Peterhead (87)

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Map reference NJ 918 493
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


S2493

Cross Polarized, S2493

Plane Polarized, S2493

Plane Polarized, S2493