BGS mineralogy and petrology collection record

Sample number E32104; COLLNOJW317;
Sample Donor Wright,J.E.
Rock name 'Original entry: Crystal Tuff (Keratophyric)'
Stratigraphy Not entered
Comments Massive tuff from thin band in foliated tuff. Probably within outcrop of lower culm ? equivalent of Meldon Volcanic Group.
Locality details Bowbeer Farmyard.
50k map sheet Okehampton (324)

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Map reference SX 719 912
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


E32104

Cross Polarized, E32104

Plane Polarized, E32104

Plane Polarized, E32104