BGS mineralogy and petrology collection record

Sample number S2171
Sample Donor Cadell, Henry Moubray
Rock name 'Original entry: Lamprophyre'
Stratigraphy Not entered
Comments Much pale augite, little biotite
Locality details Tomnadashan, Loch Tay
50k map sheet Crieff (47)

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Map reference NN 692 371
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


Cross Polarized, S2171

Plane Polarized, S2171

Plane Polarized, S2171