BGS mineralogy and petrology collection record

Sample number S74269; S74269/A; COLLNOGY338;
Sample Donor Barnes,R.
Rock name Andesite.
Stratigraphy Not entered
Comments Foliated porphyrite dyke (U. Silurian/L.Devonian)
Locality details NE of Orchardton
50k map sheet Wigtown (4E)

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Map reference NX 4609 5029
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


S74269

Cross Polarized, S74269

Plane Polarized, S74269

Plane Polarized, S74269


S74269/A

Cross Polarized, S74269/A

Plane Polarized, S74269/A

Plane Polarized, S74269/A