BGS mineralogy and petrology collection record

Sample number E6776; COLLNO47; NEG735M;
Sample Donor Usher,W.A.E.
Rock name Tuff. 'Original entry: Quartz Keratophyre Tuff'
Stratigraphy Not entered
Comments Not entered
Locality details SW. of Beckham Tree Cottage, N. of Cannonteign House.
50k map sheet Newton Abbot (339)

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Map reference SX 835 833
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


Cross Polarized, E6776

Plane Polarized, E6776

Plane Polarized, E6776