BGS mineralogy and petrology collection record

Sample number S48235; COLLNOYT283;
Sample Donor Howells,M.F.
Rock name 'Original entry: Olivine Basalt (Feldspathic Dunsappie Type)'
Stratigraphy Not entered
Comments Olivine basalt (feldspathic Dunsappie type), Birrenswark lava
Locality details Head of Tarras Water
50k map sheet Langholm (11)

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Map reference NY 449 937
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


S48235

Cross Polarized, S48235

Plane Polarized, S48235

Plane Polarized, S48235