BGS mineralogy and petrology collection record

Sample number S13211
Sample Donor Tait,D.
Rock name 'Original entry: Porphyry'
Stratigraphy Not entered
Comments Porphyry, bomb bed
Locality details Between tide marks and eastwards to a few yards E of raised beach cliff, 2.75 miles SW of Tayvallich and 5/6 mile N of summit of An Aird
50k map sheet Jura (28)

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Map reference NR 705 842
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


S13211

Cross Polarized, S13211

Plane Polarized, S13211

Plane Polarized, S13211