BGS mineralogy and petrology collection record

Sample number S71666; COLLNOGY 70;
Sample Donor Barnes,R.
Rock name Not entered
Stratigraphy Not entered
Comments Porphyry Lamprophyre (c. 1.5m dyke)
Locality details Machermore
50k map sheet Wigtown (4)

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Map reference NX 2477 5462
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


S71666

Cross Polarized, S71666

Plane Polarized, S71666

Plane Polarized, S71666