BGS mineralogy and petrology collection record

Sample number S25191
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Decomposed Variolite'
Stratigraphy Not entered
Comments Decomposed variolite, 6 foot irregular vein cutting coarse dolerite sill
Locality details Red Burn, Grimmet Glen, just below waterfall, 700 yards above Grimmet
50k map sheet Ayr (14)

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Map reference NS 441 064
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


S25191

Cross Polarized, S25191

Plane Polarized, S25191

Plane Polarized, S25191