BGS mineralogy and petrology collection record

Sample number S23718
Sample Donor Anderson, E.M.
Rock name 'Original entry: Nepheline Basanite'
Stratigraphy Not entered
Comments Nepheline basanite, sill in Carboniferous, slice cut from a boulder
Locality details 1300 yards W by S of Lauchlens Knoll
50k map sheet Sanquhar (15)

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Map reference NS 607 239
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


S23718

Cross Polarized, S23718

Plane Polarized, S23718

Plane Polarized, S23718