BGS mineralogy and petrology collection record

Sample number N2921; COLLNOETS782;
Sample Donor Smith, R.A
Rock name 'Original entry: Microgranite'
Stratigraphy Not entered
Comments Grey laminated rhyolite/microgranite
Locality details N side of disused quarry, 650m NE of East Mainshill
50k map sheet Ayr (14W)

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Map reference NS 3495 1230
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


N2921

Cross Polarized, N2921

Plane Polarized, N2921

Plane Polarized, N2921