BGS mineralogy and petrology collection record

Sample number S25702
Sample Donor Simpson,J.B.
Rock name 'Original entry: Altered Olivine Basalt'
Stratigraphy Not entered
Comments Altered olivine basalt, sill coal measures
Locality details 950 feet upstream from Craigman Farmhouse
50k map sheet Ayr (14)

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Map reference NS 542 126
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


S25702

Cross Polarized, S25702

Plane Polarized, S25702

Plane Polarized, S25702