BGS mineralogy and petrology collection record

Sample number S23328
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Hornfelsed Porphyrite'
Stratigraphy Not entered
Comments Hornfelsed porphyrite, dyke about 9 feet (?EW) with pink veins
Locality details Avon Water 285 yards downstream from Powmeadow Burn
50k map sheet Hamilton (23)

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Map reference NS 6065 3370
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


S23328

Cross Polarized, S23328

Plane Polarized, S23328

Plane Polarized, S23328