BGS mineralogy and petrology collection record

Sample number E638; E638/A; MR775;
Sample Donor Not entered
Rock name 'Original entry: Andesitic Lava'
Stratigraphy Not entered
Comments Arenig. 272/41, B/78
Locality details Crossroads 1 mi SW of Hyssington, Montgomeryshire
50k map sheet Montgomery (165)

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Map reference SO 308 930
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


E638

Cross Polarized, E638

Plane Polarized, E638

Plane Polarized, E638


E638/A

Cross Polarized, E638/A

Plane Polarized, E638/A

Plane Polarized, E638/A