BGS mineralogy and petrology collection record

Sample number S33899
Sample Donor Macgregor,A.G.
Rock name Not entered
Stratigraphy Not entered
Comments Weathered porphyry or porphyrite
Locality details Kyles Hill, 800 yards S 36 deg E of triangulation pont 790 (=795 feet) Polwarth Mass (old quarry)
50k map sheet Kelso (25)

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Map reference NT 721 507
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


S33899

Cross Polarized, S33899

Plane Polarized, S33899

Plane Polarized, S33899