BGS mineralogy and petrology collection record

Sample number S23834
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Decomposed Monchiquite With Xenoliths Of Sediment'
Stratigraphy Not entered
Comments Decomposed monchiquite with xenoliths of sediment, irregular xenolithic intrusion in agglomerate neck (probably Permian)
Locality details Patna Hill 2250 feet W 21 deg S from Downieston
50k map sheet Ayr (14)

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Map reference NS 408 108
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


S23834

Cross Polarized, S23834

Plane Polarized, S23834

Plane Polarized, S23834