BGS mineralogy and petrology collection record

Sample number S23138; S23138/A;
Sample Donor Phemister,J.
Rock name 'Original entry: ?'
Stratigraphy Not entered
Comments ?Glassy marble or tuff
Locality details Pit right bank Craw Burn 685 yards 39 deg N of S of S corner of Laigh Alderstocks
50k map sheet Hamilton (23)

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Map reference NS 6099 4356
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


S23138

Cross Polarized, S23138

Plane Polarized, S23138

Plane Polarized, S23138


S23138/A

Cross Polarized, S23138/A

Plane Polarized, S23138/A

Plane Polarized, S23138/A