BGS mineralogy and petrology collection record

Sample number S73500; COLLNONX1337;
Sample Donor Rock,N.M.S.
Rock name 'Original entry: Lamporphyre'
Stratigraphy Not entered
Comments Euhedral hornblendes, quartz xenocrysts; over 2 m thick
Locality details Field E of Crochmore Farm
50k map sheet Maxwelltown (9)

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Map reference NX 8923 7734
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


S73500

Cross Polarized, S73500

Plane Polarized, S73500

Plane Polarized, S73500