BGS mineralogy and petrology collection record

Sample number S29476
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Diorite'
Stratigraphy Not entered
Comments Diorite, very fine-grained grey dioritic rock
Locality details Knockenshag 420 yards S 30 deg W of triangulation point at 1428 feet
50k map sheet Sanquhar (15)

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Map reference NS 754 179
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


S29476

Cross Polarized, S29476

Plane Polarized, S29476

Plane Polarized, S29476