BGS mineralogy and petrology collection record

Sample number E13693; E13693/A; COLLNO1118;
Sample Donor Mcmahan
Rock name 'Original entry: Altered Tuff. Fine Grained Quartz Rock With Developing Pyroxene'
Stratigraphy Not entered
Comments Not entered
Locality details Beds on flank of Cocks Tor.
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


E13693

Cross Polarized, E13693

Plane Polarized, E13693

Plane Polarized, E13693


E13693/A

Cross Polarized, E13693/A

Plane Polarized, E13693/A

Plane Polarized, E13693/A