BGS mineralogy and petrology collection record

Sample number S436; COLLNO1704;
Sample Donor Macconachie,A.F.
Rock name 'Original entry: ?Trachyte (Partly Silicified)'
Stratigraphy Not entered
Comments "Porphyrite", decomposed F
Locality details Torduff Hill, close to surface of reservoir
50k map sheet Edinburgh (32)

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Map reference NT 204 673
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


S436

Cross Polarized, S436

Plane Polarized, S436

Plane Polarized, S436