BGS mineralogy and petrology collection record

Sample number S23799
Sample Donor Read, H.H.
Rock name 'Original entry: Hornblende Porphyrite'
Stratigraphy Not entered
Comments Hornblende porphyrite, sill in L.O.R.S.
Locality details Quarry, St John's Kirk
50k map sheet Hamilton (23)

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Map reference NS 9821 3594
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


S23799

Cross Polarized, S23799

Plane Polarized, S23799

Plane Polarized, S23799