BGS mineralogy and petrology collection record

Sample number S73465; COLLNONX1303;
Sample Donor Rock,N.M.S.
Rock name 'Original entry: Central 'Porphyrite''
Stratigraphy Not entered
Comments Composite lamprophyre and 'porphyrite' dyke, c. 5 m thick. Samples S. 73463 - 73470 from S to N from two localities
Locality details Second field NE of Slacks Farm, near Dumfries
50k map sheet Maxwelltown (9)

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Map reference NX 8812 7349
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


S73465

Cross Polarized, S73465

Plane Polarized, S73465

Plane Polarized, S73465