BGS mineralogy and petrology collection record

Sample number S23965
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Decomposed Monchiquitic Olivine Basalt'
Stratigraphy Not entered
Comments Decomposed monchiquitic olivine basalt, intrusion probably Permian plug
Locality details Dunston Hill, 800 yards S 18deg W from Tongue Bridge road
50k map sheet Ayr (14)

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Map reference NS 427 127
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


S23965

Cross Polarized, S23965

Plane Polarized, S23965

Plane Polarized, S23965