BGS mineralogy and petrology collection record

Sample number S29481
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Contact Altered Microdiorite'
Stratigraphy Not entered
Comments Contact altered microdiorite, fine-grained dark grey igneous a few inches from contact with granodiorite S80
Locality details Gareland Burn left bank 1060 yards E 44 deg N of triangulation point at 1535 feet on Kirklea
50k map sheet Sanquhar (15)

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Map reference NS 778 190
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


S29481

Cross Polarized, S29481

Plane Polarized, S29481

Plane Polarized, S29481