BGS mineralogy and petrology collection record

Sample number S23233; S23233/A; COLLNOL279;
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Phonolitic Trachyte Agm'
Stratigraphy Not entered
Comments Intrusion, large porphyritic feldspars (trachyte scsored out); Ayrshire Memoir, pp. 120, 122, 123
Locality details River Irvine, 400 yds S 20 deg E from West Glaister
50k map sheet Kilmarnock (22)

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Map reference NS 5833 3783
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


S23233

Cross Polarized, S23233

Plane Polarized, S23233

Plane Polarized, S23233


S23233/A

Cross Polarized, S23233/A

Plane Polarized, S23233/A

Plane Polarized, S23233/A