BGS mineralogy and petrology collection record

Sample number S23379; COLLNOL394;
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Acid Porphyrite With Xenolith Of Local Type Of Plutonic Rock Agm'
Stratigraphy Not entered
Comments Contact of porphyrite dyke rock (S. 23377) with igneous xenolith; Ayrshire Memoir, p. 24
Locality details Quarry beside Horn Burn, 635 yds S 25 deg E from Loudonhill Station
50k map sheet Kilmarnock (22)

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Map reference NS 6047 3666
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


S23379

Cross Polarized, S23379

Plane Polarized, S23379

Plane Polarized, S23379