BGS mineralogy and petrology collection record

Sample number S25205
Sample Donor Macgregor,A.G.
Rock name Not entered
Stratigraphy Not entered
Comments Uncommon quartz porphyry at base of L.O.R. lavas
Locality details On hill N of Balbeg Burn 1100 yards W 16 deg N from Balbeg
50k map sheet Ayr (14)

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Map reference NS 372 027
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


S25205

Cross Polarized, S25205

Plane Polarized, S25205

Plane Polarized, S25205