BGS mineralogy and petrology collection record

Sample number S29681
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Fine-Grained Diorite Or Granodiorite'
Stratigraphy Not entered
Comments Fine-grained diorite or granodiorite, pinkish grey dioritic rock cut by granitic veinlet, S29681 type encloses baked sandstone and grey igneous rock
Locality details Tincornhll Quarry (E face) 450 yards W 40 deg S of triangulation point 951 Tincornhill
50k map sheet Ayr (14)

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Map reference NS 577 275
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


S29681

Cross Polarized, S29681

Plane Polarized, S29681

Plane Polarized, S29681