BGS mineralogy and petrology collection record

Sample number E13771; COLLNO1235;
Sample Donor Mcmahan
Rock name 'Original entry: Altered Tuff. Recrystalised Siltstone With Pyroxene'
Stratigraphy Not entered
Comments Ascending series. Next above E13770.
Locality details ENGLAND. Dartmoor Forest (338)
50k map sheet Dartmoor Forest (338)

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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


E13771

Cross Polarized, E13771

Plane Polarized, E13771

Plane Polarized, E13771