BGS mineralogy and petrology collection record

Sample number S29655; S29655/A; COLLNOT4061A;
Sample Donor Macgregor,A.G.
Rock name Not entered
Stratigraphy Not entered
Comments St Leonard's Sill. Top part of sill. No 2 2-3 ft lower in sill than S 29654
Locality details Holyrood Park, at Heriot Mount Steps
50k map sheet Edinburgh (32)

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Map reference NT 2647 7308
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


S29655

Cross Polarized, S29655

Plane Polarized, S29655

Plane Polarized, S29655


S29655/A

Cross Polarized, S29655/A

Plane Polarized, S29655/A

Plane Polarized, S29655/A