BGS mineralogy and petrology collection record

Sample number S71923
Sample Donor Rock,N.M.S.
Rock name 'Original entry: Andesite, Micro-Feldsparphyric'
Stratigraphy Not entered
Comments Devonian andesite (micro-feldsparphyric, with secondary veins and coarser patches)
Locality details Tillycoultry Quarry, Tillycoultry
50k map sheet Stirling (39)

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Map reference NS 9116 9779
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


S71923

Cross Polarized, S71923

Plane Polarized, S71923

Plane Polarized, S71923