BGS mineralogy and petrology collection record

Sample number E29287; MR24932; COLLNODP 50;
Sample Donor Ponsford,D.R.A.
Rock name 'Original entry: Porphyritic Andersite'
Stratigraphy Not entered
Comments Loose block at edge of field
Locality details 800yds.NE.of Beacon Farm, 750yds.SE.of Beacon Hill Tumuli. 5.5ml.E.of Wells
50k map sheet Wells (280)

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Map reference ST 644 457
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


E29287

Cross Polarized, E29287

Plane Polarized, E29287

Plane Polarized, E29287