BGS mineralogy and petrology collection record

Sample number S52176; COLLNOYS467;
Sample Donor Armstrong,M.
Rock name 'Original entry: Augite Porphyrite, Brown Coarse Variant'
Stratigraphy Not entered
Comments Brown coarse variant in contact with normal augite porphyrite
Locality details Dundee Law, NW side
50k map sheet Perth (48)

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Map reference NO 3908 3141
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


S52176

Cross Polarized, S52176

Plane Polarized, S52176

Plane Polarized, S52176