BGS mineralogy and petrology collection record

Sample number S4233; S4233/A; S4233/B; S4233/C;
Sample Donor Barrow, G.
Rock name 'Original entry: Pegmatite'
Stratigraphy Not entered
Comments A: section // 001 of microcline; B: at right angles to 001:010; C: roughly // 010; 1" sheet 65
Locality details SE of Loch Brandy, near S 4232
50k map sheet Balmoral (65)

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Map reference NO 34 74
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


S4233/A

Cross Polarized, S4233/A

Plane Polarized, S4233/A

Plane Polarized, S4233/A


S4233/B

Cross Polarized, S4233/B

Plane Polarized, S4233/B

Plane Polarized, S4233/B


S4233/C

Cross Polarized, S4233/C

Plane Polarized, S4233/C

Plane Polarized, S4233/C