BGS mineralogy and petrology collection record

Sample number E4186; COLLNO12;
Sample Donor Usher,W.A.E.
Rock name 'Original entry: Elvan With Usual Phenocrysts Of Quartz And Feldspar'
Stratigraphy Not entered
Comments Dyke.
Locality details Burgotha in lane.
50k map sheet Bodmin (347)

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Map reference
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


E4186

Cross Polarized, E4186

Plane Polarized, E4186

Plane Polarized, E4186