BGS mineralogy and petrology collection record

Sample number S454
Sample Donor Geikie,A.
Rock name 'Original entry: Quartz Porphyry'
Stratigraphy Not entered
Comments Quartz porphyry
Locality details Penesk Water, Muirkirk
50k map sheet Hamilton (23)

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Map reference NS 71 30
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


S454

Cross Polarized, S454

Plane Polarized, S454

Plane Polarized, S454