BGS mineralogy and petrology collection record

Sample number S68029; COLLNOBEB20;
Sample Donor Stephenson,D.
Rock name Not entered
Stratigraphy Not entered
Comments Flow sparsely porphyritic 5mm Markle basalt. CPL above MLG
Locality details Calder Dam Site BH. C/12 depth 5.3m
50k map sheet Glasgow (30)

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Map reference NS 3245 6166
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


S68029

Cross Polarized, S68029

Plane Polarized, S68029

Plane Polarized, S68029