BGS mineralogy and petrology collection record

Sample number S440; COLLNO1709;
Sample Donor Macconachie,A.F.
Rock name 'Original entry: Basalt Or Andesite?'
Stratigraphy Not entered
Comments "Porphyrite", decomposed F
Locality details N side of Warklaw Hill
50k map sheet Edinburgh (32)

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Map reference NT 197 675
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


S440

Cross Polarized, S440

Plane Polarized, S440

Plane Polarized, S440