BGS mineralogy and petrology collection record

Sample number S12159; COLLNOT3128;
Sample Donor Peach, B.N.; Tait,D.;
Rock name 'Original entry: Biotite Porphyrite F'
Stratigraphy Not entered
Comments Type of chilled margin of a dolerite sill (fine example F)
Locality details Winchburgh Railway Cutting, S side of fault
50k map sheet Edinburgh (32)

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Map reference NT 0920 7464
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


S12159

Cross Polarized, S12159

Plane Polarized, S12159

Plane Polarized, S12159