BGS mineralogy and petrology collection record

Sample number S23326
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Hornblende Porphyrite'
Stratigraphy Not entered
Comments Hornblende porphyrite, at least 10 foot NE dyke, at contact with baked L.O.R.S.
Locality details Avon Water 800 yards above junction with West Burn
50k map sheet Hamilton (23)

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Map reference NS 6120 3454
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


S23326

Cross Polarized, S23326

Plane Polarized, S23326

Plane Polarized, S23326