BGS mineralogy and petrology collection record

Sample number S548
Sample Donor Macconachie,A.F.
Rock name 'Original entry: Basalt F'
Stratigraphy Not entered
Comments "Porphyrite"
Locality details Knob in field, S of Dreghorn
50k map sheet Edinburgh (32)

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Map reference NT 2267 6773
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


S548

Cross Polarized, S548

Plane Polarized, S548

Plane Polarized, S548